{"id":19731,"date":"2025-02-05T05:12:53","date_gmt":"2025-02-05T05:12:53","guid":{"rendered":"https:\/\/www.earth-site.co.uk\/Education\/miocene-epoch-23-5-3-million-years-ago-first-apes-mammals-evolve-further\/"},"modified":"2025-02-09T18:40:58","modified_gmt":"2025-02-09T18:40:58","slug":"miocene-epoch-23-5-3-million-years-ago-first-apes-mammals-evolve-further","status":"publish","type":"post","link":"https:\/\/www.earth-site.co.uk\/Education\/miocene-epoch-23-5-3-million-years-ago-first-apes-mammals-evolve-further\/","title":{"rendered":"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further."},"content":{"rendered":"\n[et_pb_section][et_pb_row][et_pb_column type=&#8221;4_4&#8243;][et_pb_text]<p style=\"text-align: center;\"><a href=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/Miocene-Epoch.jpg\"><img decoding=\"async\" class=\"alignnone size-full wp-image-19836\" src=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/Miocene-Epoch.jpg\" alt=\"Miocene Epoch\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/Miocene-Epoch.jpg 1024w, https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/Miocene-Epoch-300x300.jpg 300w, https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/Miocene-Epoch-150x150.jpg 150w, https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/Miocene-Epoch-768x768.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" loading=\"lazy\" \/><\/a><\/p>\nThe Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in <a href=\"https:\/\/www.earth-site.co.uk\/Education\/timeline\/\" title=\"Timeline\">Earth&#8217;s geological history<\/a>, characterised by profound climatic shifts and the evolution of diverse life forms. This epoch is part of the Neogene Period and is often regarded as a time of great change, both in terms of the planet&#8217;s environment and its biological inhabitants. The Miocene is particularly notable for the emergence and diversification of many modern plant and animal families, setting the stage for the ecosystems we recognise today.\n\nDuring the Miocene, the Earth experienced a series of <a href=\"https:\/\/www.earth-site.co.uk\/Education\/the-difference-between-weather-and-climate\/\" title=\"The Difference Between Weather and Climate\">climatic fluctuations<\/a> that influenced the distribution of flora and fauna. The epoch began with a warm climate, which gradually transitioned to cooler conditions towards its end. This climatic evolution was instrumental in shaping the habitats available to various species, leading to the development of expansive grasslands and forests.<b> <\/b>\n\nThe Miocene is often referred to as a pivotal time for mammalian evolution, as it witnessed the rise of many groups that would dominate the terrestrial landscape in subsequent epochs.\n<h3>Summary<\/h3>\n<ul>\n \t<li>The Miocene Epoch, lasting from 23 to 5.3 million years ago, was a crucial period in the evolution of life on Earth.<\/li>\n \t<li>The first apes appeared during the Miocene, marking a significant step in the evolution of primates.<\/li>\n \t<li>Mammals diversified and adapted to various environments during the Miocene, leading to the emergence of many modern mammal groups.<\/li>\n \t<li>The Miocene was characterized by a warm and relatively stable climate, with forests covering much of the Earth&#8217;s surface.<\/li>\n \t<li>The rise of grasslands during the Miocene had a significant impact on the fauna, leading to the evolution of grazing mammals and the decline of forest-dwelling species.<\/li>\n<\/ul>\n<h2>First Apes: The Evolution of Primates<\/h2>\nThe Miocene Epoch is particularly significant in the context of <a href=\"https:\/\/www.earth-site.co.uk\/Education\/exploring-the-fascinating-world-of-primates-from-lemurs-to-humans\/\" title=\"Exploring the Fascinating World of Primates: From Lemurs to Humans\">primate evolution<\/a>, marking a period when the first apes began to emerge. This epoch saw the divergence of apes from their Old World monkey relatives, leading to a variety of new species that adapted to different ecological niches. Fossil evidence suggests that early apes such as Proconsul, which lived in Africa during the Miocene, exhibited both monkey-like and ape-like characteristics, indicating a transitional phase in primate evolution.\n\nProconsul is often considered a key ancestor of modern apes and humans, showcasing traits such as a flexible limb structure and a lack of a tail. As the Miocene progressed, various lineages of apes began to diversify significantly. The climatic changes during this period led to the fragmentation of forests and the expansion of open habitats, prompting adaptations among primates.\n\nSome species developed traits suited for arboreal life, while others adapted to terrestrial environments. This diversification laid the groundwork for the evolutionary paths that would eventually lead to modern great apes, including gorillas, chimpanzees, and humans.<b> The fossil record from this epoch provides crucial insights into how these early primates adapted to their environments, revealing a complex interplay between ecological pressures and evolutionary change.<\/b>\n<h2>Mammals Evolve Further: Diversification and Adaptation<\/h2>\n<img decoding=\"async\" id=\"3\" style=\"max-width: 100%; display: block; margin-left: auto; margin-right: auto; width: 70%;\" src=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/abcdhe-38.jpg\" loading=\"lazy\" \/>\n\nThe Miocene Epoch was a time of remarkable diversification among mammals, with many groups evolving new adaptations that allowed them to thrive in changing environments. This period saw the emergence of several modern mammalian families, including those of horses, elephants, and carnivores. The evolutionary pressures exerted by climate change and habitat alteration played a crucial role in shaping these developments.\n\nFor instance, as forests receded and grasslands expanded, herbivorous mammals adapted by developing longer limbs and more efficient grazing strategies. One notable example of mammalian adaptation during the Miocene is the evolution of the horse lineage. Early horses, such as Hipparion, were smaller than their modern descendants and had multiple toes adapted for life in forested environments.\n\nHowever, as grasslands became more prevalent, these <a href=\"https:\/\/www.earth-site.co.uk\/Education\/exploring-the-fascinating-world-of-perissodactyla-a-closer-look-at-horses-rhinos-tapirs-and-zebras\/\" title=\"Exploring the Fascinating World of Perissodactyla: A Closer Look at Horses, Rhinos, Tapirs and Zebras\">horses evolved<\/a> longer legs and single hooves, which provided greater speed and efficiency on open terrain. This transition not only illustrates how mammals adapted morphologically but also highlights the dynamic relationship between species and their environments during this epoch.\n<h2>Climate and Environment during the Miocene Epoch<\/h2>\nThe climate during the Miocene Epoch was characterised by significant fluctuations that influenced both terrestrial and <a href=\"https:\/\/www.earth-site.co.uk\/Education\/marine-conservation-coral-reefs-oceans-etc\/\" title=\"Marine conservation (coral reefs, oceans, etc.)\">marine ecosystems<\/a>.\n<blockquote style=\"br { display: none; margin: 1.5em 0; padding: 1.2em 1.5em; line-height: 1.6; height: 0; }background-color: #f8f9fa; border-left: 4px solid #e9ecef; font-size: 1.1em; color: #212529; border-radius: 4px; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);\">Initially, the epoch began with a warm climate that supported lush forests and diverse habitats.<\/blockquote>\nHowever, as time progressed, global temperatures began to decline, leading to cooler conditions that facilitated the expansion of grasslands and savannas.\n\nThese climatic changes were driven by various factors, including <a href=\"https:\/\/www.earth-site.co.uk\/Education\/mountain-formation-how-are-mountains-created\/\" title=\"Mountain Formation: How Are Mountains Created?\">tectonic activity<\/a> that altered ocean currents and continental configurations. The environmental shifts during the Miocene had profound implications for biodiversity. As forests gave way to open grasslands, many species were forced to adapt or face extinction.\n\nThe <a href=\"https:\/\/www.earth-site.co.uk\/Education\/climate-change-causes-effects-and-solutions\/\" title=\"Climate Change: Causes, Effects, and Solutions\">changing climate<\/a> also affected oceanic conditions, leading to alterations in marine life. For example, the Miocene saw the proliferation of marine mammals such as whales and dolphins, which adapted to new ecological niches in response to changing sea levels and temperatures. The interplay between climate and environment during this epoch created a complex tapestry of ecosystems that fostered both competition and cooperation among species.\n<h2>The Rise of Grasslands and Impact on Fauna<\/h2>\nThe expansion of grasslands during the Miocene Epoch had a transformative impact on terrestrial fauna. As forests receded due to climatic changes, vast stretches of grassland emerged across continents such as North America, Europe, and Asia. This shift not only altered the landscape but also influenced the evolutionary trajectories of numerous herbivorous mammals that thrived in these open habitats.\n\nGrazing animals such as antelopes and early relatives of modern cattle developed adaptations suited for consuming grasses, which became increasingly abundant. The rise of grasslands also had cascading effects on predator-prey dynamics within ecosystems. As herbivores adapted to grazing on grasses, carnivorous mammals evolved alongside them, developing new hunting strategies and physical adaptations for capturing swift prey.\n\nThis period saw the emergence of formidable predators such as saber-toothed cats and large canids that were well-adapted to hunting in open environments. The interactions between herbivores and predators during this time exemplify how ecological changes can drive evolutionary innovation across multiple species.\n<h2>Miocene Megafauna: The Age of Giant Mammals<\/h2>\n<img decoding=\"async\" id=\"2\" style=\"max-width: 100%; display: block; margin-left: auto; margin-right: auto; width: 70%;\" src=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/image-77.jpg\" loading=\"lazy\" \/>\n\nThe Miocene Epoch is often referred to as an age of megafauna due to the presence of numerous large mammals that roamed the Earth during this time. These giant creatures included species such as Paraceratherium, one of the largest land mammals ever to exist, which resembled a massive rhinoceros but lacked horns. Paraceratherium could reach heights comparable to modern giraffes and was primarily herbivorous, feeding on leaves from tall trees before grasslands became dominant.\n\nAnother notable example of Miocene megafauna is the giant short-faced bear (Arctodus simus), which was one of the largest bear species known to have existed. These bears were adapted for both scavenging and predation, showcasing an impressive size that allowed them to compete effectively for resources in their environment.<b> The presence of such large mammals during the Miocene reflects not only the ecological richness of this epoch but also highlights how size can confer advantages in terms of survival and reproduction within specific habitats.<\/b>\n<h2>Human Ancestors: Early Hominids in the Miocene<\/h2>\nThe Miocene Epoch also marks a crucial period in the evolution of human ancestors, with several key developments occurring among early hominids. Fossil evidence suggests that some of our earliest relatives emerged during this time, adapting to changing environments in Africa. One significant genus from this epoch is Australopithecus, which exhibited both ape-like and human-like traits.\n\nThese early hominids were bipedal but retained adaptations for climbing trees, reflecting their dual lifestyle in both arboreal and terrestrial settings. The evolutionary pressures faced by early hominids during the Miocene were closely linked to environmental changes. As forests fragmented and grasslands expanded, these ancestors had to adapt their foraging strategies and social behaviours to survive in increasingly open habitats.\n\nThe development of bipedalism is thought to have provided advantages in terms of energy efficiency while foraging over long distances in search of food resources.\n<blockquote style=\"br { display: none; margin: 1.5em 0; padding: 1.2em 1.5em; line-height: 1.6; height: 0; }background-color: #f8f9fa; border-left: 4px solid #e9ecef; font-size: 1.1em; color: #212529; border-radius: 4px; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);\">This period laid essential groundwork for subsequent evolutionary developments leading towards modern humans.<\/blockquote>\n<h2>The End of the Miocene Epoch: Transition to the Pliocene<\/h2>\nAs the Miocene Epoch drew to a close around 5.3 million years ago, significant changes were underway that would lead into the Pliocene Epoch. The climatic cooling trend that characterised the latter part of the Miocene continued into this new epoch, resulting in further alterations to global ecosystems. The transition marked a shift towards more pronounced seasonal variations in climate, which would have profound implications for both flora and fauna.\n\nThe end of the Miocene also saw significant extinctions among various species as they struggled to adapt to rapidly changing environments. Many megafauna that had thrived during this epoch faced challenges due to habitat loss and competition for resources. This period set the stage for new evolutionary pathways as surviving species adapted to their changing surroundings or faced extinction altogether.\n\nThe transition from the Miocene to Pliocene represents not just an end but also a beginning\u2014a time when new species would emerge while others faded into history, shaping the future trajectory of life on Earth.\n<h2>FAQs<\/h2>\n<h3>What is the Miocene Epoch?<\/h3>\nThe Miocene Epoch is a <a href=\"https:\/\/www.earth-site.co.uk\/Education\/geological-epochs-earths-history\/\" title=\"Geological Epochs (Earth\u2019s History)\">geological time period<\/a> that occurred approximately 23 to 5.3 million years ago. It is part of the Neogene Period and is known for significant evolutionary developments in both plant and animal life.\n<h3>What significant events occurred during the Miocene Epoch?<\/h3>\nDuring the Miocene Epoch, the first apes appeared, and <a href=\"https:\/\/www.earth-site.co.uk\/Education\/mammals\/\" title=\"Mammals\">mammals continued<\/a> to evolve further. The climate was generally warmer than it is today, and there were significant changes in the distribution of land and sea.\n<h3>What were the environmental conditions like during the Miocene Epoch?<\/h3>\nThe <a href=\"https:\/\/www.earth-site.co.uk\/Education\/pliocene-epoch-5-3-2-5-million-years-ago-early-human-ancestors-australopithecus\/\" title=\"Pliocene Epoch (5.3 \u2013 2.5 million years ago) \u2013 Early human ancestors (Australopithecus).\">Miocene Epoch experienced<\/a> a generally warm climate, with some fluctuations. The distribution of land and sea changed, leading to the formation of new habitats and the extinction of some species.\n<h3>How did plant and animal life evolve during the Miocene Epoch?<\/h3>\nThe Miocene Epoch saw the evolution of a diverse range of plant and animal species. Grasslands expanded, leading to the evolution of grazing animals, and the first apes appeared, marking an important step in primate evolution.\n<h3>What impact did the Miocene Epoch have on the Earth&#8217;s geological and biological history?<\/h3>\nThe Miocene Epoch had a significant impact on the Earth&#8217;s geological and <a href=\"https:\/\/www.earth-site.co.uk\/Education\/biology-contents\/\" title=\"Biology Contents\">biological history<\/a>. It marked a period of important evolutionary developments, including the emergence of the first apes and further evolution of mammals. The changes in climate and land distribution also influenced the development of new habitats and the extinction of some species.[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"excerpt":{"rendered":"<p>The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth&#8217;s geological&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_thumbnail_id":["a:1:{i:0;s:5:\"19836\";}"],"yoast_wpseo_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"yoast_wpseo_metadesc":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"rank_math_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"_rank_math_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"rank_math_description":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"_rank_math_description":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"aioseo_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"_aioseo_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"aioseo_description":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"_aioseo_description":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"seopress_titles_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"_seopress_titles_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"seopress_titles_desc":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"_seopress_titles_desc":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"genesis_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"_genesis_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"genesis_description":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"_genesis_description":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"sq_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"_sq_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"sq_description":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"_sq_description":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"wds_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"wds_metadesc":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"_edit_lock":["1739055012:1"],"_edit_last":["1"],"_yoast_wpseo_primary_category":["12"],"_yoast_wpseo_content_score":["30"],"_yoast_wpseo_estimated-reading-time-minutes":["9"],"_et_pb_use_builder":["on"],"_et_pb_old_content":["<p style=\"text-align: center;\"><a href=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/Miocene-Epoch.jpg\"><img class=\"alignnone size-full wp-image-19836\" src=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/Miocene-Epoch.jpg\" alt=\"Miocene Epoch\" width=\"1024\" height=\"1024\" \/><\/a><\/p>\nThe Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history, characterised by profound climatic shifts and the evolution of diverse life forms. This epoch is part of the Neogene Period and is often regarded as a time of great change, both in terms of the planet's environment and its biological inhabitants. The Miocene is particularly notable for the emergence and diversification of many modern plant and animal families, setting the stage for the ecosystems we recognise today.\n\nDuring the Miocene, the Earth experienced a series of climatic fluctuations that influenced the distribution of flora and fauna. The epoch began with a warm climate, which gradually transitioned to cooler conditions towards its end. This climatic evolution was instrumental in shaping the habitats available to various species, leading to the development of expansive grasslands and forests.<b> <\/b>\n\nThe Miocene is often referred to as a pivotal time for mammalian evolution, as it witnessed the rise of many groups that would dominate the terrestrial landscape in subsequent epochs.\n<h3>Summary<\/h3>\n<ul>\n \t<li>The Miocene Epoch, lasting from 23 to 5.3 million years ago, was a crucial period in the evolution of life on Earth.<\/li>\n \t<li>The first apes appeared during the Miocene, marking a significant step in the evolution of primates.<\/li>\n \t<li>Mammals diversified and adapted to various environments during the Miocene, leading to the emergence of many modern mammal groups.<\/li>\n \t<li>The Miocene was characterized by a warm and relatively stable climate, with forests covering much of the Earth's surface.<\/li>\n \t<li>The rise of grasslands during the Miocene had a significant impact on the fauna, leading to the evolution of grazing mammals and the decline of forest-dwelling species.<\/li>\n<\/ul>\n<h2>First Apes: The Evolution of Primates<\/h2>\nThe Miocene Epoch is particularly significant in the context of primate evolution, marking a period when the first apes began to emerge. This epoch saw the divergence of apes from their Old World monkey relatives, leading to a variety of new species that adapted to different ecological niches. Fossil evidence suggests that early apes such as Proconsul, which lived in Africa during the Miocene, exhibited both monkey-like and ape-like characteristics, indicating a transitional phase in primate evolution.\n\nProconsul is often considered a key ancestor of modern apes and humans, showcasing traits such as a flexible limb structure and a lack of a tail. As the Miocene progressed, various lineages of apes began to diversify significantly. The climatic changes during this period led to the fragmentation of forests and the expansion of open habitats, prompting adaptations among primates.\n\nSome species developed traits suited for arboreal life, while others adapted to terrestrial environments. This diversification laid the groundwork for the evolutionary paths that would eventually lead to modern great apes, including gorillas, chimpanzees, and humans.<b> The fossil record from this epoch provides crucial insights into how these early primates adapted to their environments, revealing a complex interplay between ecological pressures and evolutionary change.<\/b>\n<h2>Mammals Evolve Further: Diversification and Adaptation<\/h2>\n<img id=\"3\" style=\"max-width: 100%; display: block; margin-left: auto; margin-right: auto; width: 70%;\" src=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/abcdhe-38.jpg\" \/>\n\nThe Miocene Epoch was a time of remarkable diversification among mammals, with many groups evolving new adaptations that allowed them to thrive in changing environments. This period saw the emergence of several modern mammalian families, including those of horses, elephants, and carnivores. The evolutionary pressures exerted by climate change and habitat alteration played a crucial role in shaping these developments.\n\nFor instance, as forests receded and grasslands expanded, herbivorous mammals adapted by developing longer limbs and more efficient grazing strategies. One notable example of mammalian adaptation during the Miocene is the evolution of the horse lineage. Early horses, such as Hipparion, were smaller than their modern descendants and had multiple toes adapted for life in forested environments.\n\nHowever, as grasslands became more prevalent, these horses evolved longer legs and single hooves, which provided greater speed and efficiency on open terrain. This transition not only illustrates how mammals adapted morphologically but also highlights the dynamic relationship between species and their environments during this epoch.\n<h2>Climate and Environment during the Miocene Epoch<\/h2>\nThe climate during the Miocene Epoch was characterised by significant fluctuations that influenced both terrestrial and marine ecosystems.\n<blockquote style=\"br { display: none; margin: 1.5em 0; padding: 1.2em 1.5em; line-height: 1.6; height: 0; }background-color: #f8f9fa; border-left: 4px solid #e9ecef; font-size: 1.1em; color: #212529; border-radius: 4px; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);\">Initially, the epoch began with a warm climate that supported lush forests and diverse habitats.<\/blockquote>\nHowever, as time progressed, global temperatures began to decline, leading to cooler conditions that facilitated the expansion of grasslands and savannas.\n\nThese climatic changes were driven by various factors, including tectonic activity that altered ocean currents and continental configurations. The environmental shifts during the Miocene had profound implications for biodiversity. As forests gave way to open grasslands, many species were forced to adapt or face extinction.\n\nThe changing climate also affected oceanic conditions, leading to alterations in marine life. For example, the Miocene saw the proliferation of marine mammals such as whales and dolphins, which adapted to new ecological niches in response to changing sea levels and temperatures. The interplay between climate and environment during this epoch created a complex tapestry of ecosystems that fostered both competition and cooperation among species.\n<h2>The Rise of Grasslands and Impact on Fauna<\/h2>\nThe expansion of grasslands during the Miocene Epoch had a transformative impact on terrestrial fauna. As forests receded due to climatic changes, vast stretches of grassland emerged across continents such as North America, Europe, and Asia. This shift not only altered the landscape but also influenced the evolutionary trajectories of numerous herbivorous mammals that thrived in these open habitats.\n\nGrazing animals such as antelopes and early relatives of modern cattle developed adaptations suited for consuming grasses, which became increasingly abundant. The rise of grasslands also had cascading effects on predator-prey dynamics within ecosystems. As herbivores adapted to grazing on grasses, carnivorous mammals evolved alongside them, developing new hunting strategies and physical adaptations for capturing swift prey.\n\nThis period saw the emergence of formidable predators such as saber-toothed cats and large canids that were well-adapted to hunting in open environments. The interactions between herbivores and predators during this time exemplify how ecological changes can drive evolutionary innovation across multiple species.\n<h2>Miocene Megafauna: The Age of Giant Mammals<\/h2>\n<img id=\"2\" style=\"max-width: 100%; display: block; margin-left: auto; margin-right: auto; width: 70%;\" src=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/image-77.jpg\" \/>\n\nThe Miocene Epoch is often referred to as an age of megafauna due to the presence of numerous large mammals that roamed the Earth during this time. These giant creatures included species such as Paraceratherium, one of the largest land mammals ever to exist, which resembled a massive rhinoceros but lacked horns. Paraceratherium could reach heights comparable to modern giraffes and was primarily herbivorous, feeding on leaves from tall trees before grasslands became dominant.\n\nAnother notable example of Miocene megafauna is the giant short-faced bear (Arctodus simus), which was one of the largest bear species known to have existed. These bears were adapted for both scavenging and predation, showcasing an impressive size that allowed them to compete effectively for resources in their environment.<b> The presence of such large mammals during the Miocene reflects not only the ecological richness of this epoch but also highlights how size can confer advantages in terms of survival and reproduction within specific habitats.<\/b>\n<h2>Human Ancestors: Early Hominids in the Miocene<\/h2>\nThe Miocene Epoch also marks a crucial period in the evolution of human ancestors, with several key developments occurring among early hominids. Fossil evidence suggests that some of our earliest relatives emerged during this time, adapting to changing environments in Africa. One significant genus from this epoch is Australopithecus, which exhibited both ape-like and human-like traits.\n\nThese early hominids were bipedal but retained adaptations for climbing trees, reflecting their dual lifestyle in both arboreal and terrestrial settings. The evolutionary pressures faced by early hominids during the Miocene were closely linked to environmental changes. As forests fragmented and grasslands expanded, these ancestors had to adapt their foraging strategies and social behaviours to survive in increasingly open habitats.\n\nThe development of bipedalism is thought to have provided advantages in terms of energy efficiency while foraging over long distances in search of food resources.\n<blockquote style=\"br { display: none; margin: 1.5em 0; padding: 1.2em 1.5em; line-height: 1.6; height: 0; }background-color: #f8f9fa; border-left: 4px solid #e9ecef; font-size: 1.1em; color: #212529; border-radius: 4px; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);\">This period laid essential groundwork for subsequent evolutionary developments leading towards modern humans.<\/blockquote>\n<h2>The End of the Miocene Epoch: Transition to the Pliocene<\/h2>\nAs the Miocene Epoch drew to a close around 5.3 million years ago, significant changes were underway that would lead into the Pliocene Epoch. The climatic cooling trend that characterised the latter part of the Miocene continued into this new epoch, resulting in further alterations to global ecosystems. The transition marked a shift towards more pronounced seasonal variations in climate, which would have profound implications for both flora and fauna.\n\nThe end of the Miocene also saw significant extinctions among various species as they struggled to adapt to rapidly changing environments. Many megafauna that had thrived during this epoch faced challenges due to habitat loss and competition for resources. This period set the stage for new evolutionary pathways as surviving species adapted to their changing surroundings or faced extinction altogether.\n\nThe transition from the Miocene to Pliocene represents not just an end but also a beginning\u2014a time when new species would emerge while others faded into history, shaping the future trajectory of life on Earth.\n<h2>FAQs<\/h2>\n<h3>What is the Miocene Epoch?<\/h3>\nThe Miocene Epoch is a geological time period that occurred approximately 23 to 5.3 million years ago. It is part of the Neogene Period and is known for significant evolutionary developments in both plant and animal life.\n<h3>What significant events occurred during the Miocene Epoch?<\/h3>\nDuring the Miocene Epoch, the first apes appeared, and mammals continued to evolve further. The climate was generally warmer than it is today, and there were significant changes in the distribution of land and sea.\n<h3>What were the environmental conditions like during the Miocene Epoch?<\/h3>\nThe Miocene Epoch experienced a generally warm climate, with some fluctuations. The distribution of land and sea changed, leading to the formation of new habitats and the extinction of some species.\n<h3>How did plant and animal life evolve during the Miocene Epoch?<\/h3>\nThe Miocene Epoch saw the evolution of a diverse range of plant and animal species. Grasslands expanded, leading to the evolution of grazing animals, and the first apes appeared, marking an important step in primate evolution.\n<h3>What impact did the Miocene Epoch have on the Earth's geological and biological history?<\/h3>\nThe Miocene Epoch had a significant impact on the Earth's geological and biological history. It marked a period of important evolutionary developments, including the emergence of the first apes and further evolution of mammals. The changes in climate and land distribution also influenced the development of new habitats and the extinction of some species."],"__thumbnail_id":["a:1:{i:0;s:5:\"19836\";}"],"__yoast_wpseo_title":["a:1:{i:0;s:84:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\";}"],"__yoast_wpseo_metadesc":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"__rank_math_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"__rank_math_description":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"__aioseo_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"__aioseo_description":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"__seopress_titles_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"__seopress_titles_desc":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"__genesis_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"__genesis_description":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"__sq_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"__sq_description":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"__wds_title":["a:1:{i:0;s:85:\"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.\r\";}"],"__wds_metadesc":["a:1:{i:0;s:140:\"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..\";}"],"__edit_lock":["a:1:{i:0;s:12:\"1739054931:1\";}"],"__et_pb_use_builder":["on"],"__et_pb_old_content":["<p style=\"text-align: center;\"><a href=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/Miocene-Epoch.jpg\"><img class=\"alignnone size-full wp-image-19836\" src=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/Miocene-Epoch.jpg\" alt=\"Miocene Epoch\" width=\"1024\" height=\"1024\" \/><\/a><\/p>\nThe Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history, characterised by profound climatic shifts and the evolution of diverse life forms. This epoch is part of the Neogene Period and is often regarded as a time of great change, both in terms of the planet's environment and its biological inhabitants. The Miocene is particularly notable for the emergence and diversification of many modern plant and animal families, setting the stage for the ecosystems we recognise today.\n\nDuring the Miocene, the Earth experienced a series of climatic fluctuations that influenced the distribution of flora and fauna. The epoch began with a warm climate, which gradually transitioned to cooler conditions towards its end. This climatic evolution was instrumental in shaping the habitats available to various species, leading to the development of expansive grasslands and forests.<b> <\/b>\n\nThe Miocene is often referred to as a pivotal time for mammalian evolution, as it witnessed the rise of many groups that would dominate the terrestrial landscape in subsequent epochs.\n<h3>Summary<\/h3>\n<ul>\n \t<li>The Miocene Epoch, lasting from 23 to 5.3 million years ago, was a crucial period in the evolution of life on Earth.<\/li>\n \t<li>The first apes appeared during the Miocene, marking a significant step in the evolution of primates.<\/li>\n \t<li>Mammals diversified and adapted to various environments during the Miocene, leading to the emergence of many modern mammal groups.<\/li>\n \t<li>The Miocene was characterized by a warm and relatively stable climate, with forests covering much of the Earth's surface.<\/li>\n \t<li>The rise of grasslands during the Miocene had a significant impact on the fauna, leading to the evolution of grazing mammals and the decline of forest-dwelling species.<\/li>\n<\/ul>\n<h2>First Apes: The Evolution of Primates<\/h2>\nThe Miocene Epoch is particularly significant in the context of primate evolution, marking a period when the first apes began to emerge. This epoch saw the divergence of apes from their Old World monkey relatives, leading to a variety of new species that adapted to different ecological niches. Fossil evidence suggests that early apes such as Proconsul, which lived in Africa during the Miocene, exhibited both monkey-like and ape-like characteristics, indicating a transitional phase in primate evolution.\n\nProconsul is often considered a key ancestor of modern apes and humans, showcasing traits such as a flexible limb structure and a lack of a tail. As the Miocene progressed, various lineages of apes began to diversify significantly. The climatic changes during this period led to the fragmentation of forests and the expansion of open habitats, prompting adaptations among primates.\n\nSome species developed traits suited for arboreal life, while others adapted to terrestrial environments. This diversification laid the groundwork for the evolutionary paths that would eventually lead to modern great apes, including gorillas, chimpanzees, and humans.<b> The fossil record from this epoch provides crucial insights into how these early primates adapted to their environments, revealing a complex interplay between ecological pressures and evolutionary change.<\/b>\n<h2>Mammals Evolve Further: Diversification and Adaptation<\/h2>\n<img id=\"3\" style=\"max-width: 100%; display: block; margin-left: auto; margin-right: auto; width: 70%;\" src=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/abcdhe-38.jpg\" \/>\n\nThe Miocene Epoch was a time of remarkable diversification among mammals, with many groups evolving new adaptations that allowed them to thrive in changing environments. This period saw the emergence of several modern mammalian families, including those of horses, elephants, and carnivores. The evolutionary pressures exerted by climate change and habitat alteration played a crucial role in shaping these developments.\n\nFor instance, as forests receded and grasslands expanded, herbivorous mammals adapted by developing longer limbs and more efficient grazing strategies. One notable example of mammalian adaptation during the Miocene is the evolution of the horse lineage. Early horses, such as Hipparion, were smaller than their modern descendants and had multiple toes adapted for life in forested environments.\n\nHowever, as grasslands became more prevalent, these horses evolved longer legs and single hooves, which provided greater speed and efficiency on open terrain. This transition not only illustrates how mammals adapted morphologically but also highlights the dynamic relationship between species and their environments during this epoch.\n<h2>Climate and Environment during the Miocene Epoch<\/h2>\nThe climate during the Miocene Epoch was characterised by significant fluctuations that influenced both terrestrial and marine ecosystems.\n<blockquote style=\"br { display: none; margin: 1.5em 0; padding: 1.2em 1.5em; line-height: 1.6; height: 0; }background-color: #f8f9fa; border-left: 4px solid #e9ecef; font-size: 1.1em; color: #212529; border-radius: 4px; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);\">Initially, the epoch began with a warm climate that supported lush forests and diverse habitats.<\/blockquote>\nHowever, as time progressed, global temperatures began to decline, leading to cooler conditions that facilitated the expansion of grasslands and savannas.\n\nThese climatic changes were driven by various factors, including tectonic activity that altered ocean currents and continental configurations. The environmental shifts during the Miocene had profound implications for biodiversity. As forests gave way to open grasslands, many species were forced to adapt or face extinction.\n\nThe changing climate also affected oceanic conditions, leading to alterations in marine life. For example, the Miocene saw the proliferation of marine mammals such as whales and dolphins, which adapted to new ecological niches in response to changing sea levels and temperatures. The interplay between climate and environment during this epoch created a complex tapestry of ecosystems that fostered both competition and cooperation among species.\n<h2>The Rise of Grasslands and Impact on Fauna<\/h2>\nThe expansion of grasslands during the Miocene Epoch had a transformative impact on terrestrial fauna. As forests receded due to climatic changes, vast stretches of grassland emerged across continents such as North America, Europe, and Asia. This shift not only altered the landscape but also influenced the evolutionary trajectories of numerous herbivorous mammals that thrived in these open habitats.\n\nGrazing animals such as antelopes and early relatives of modern cattle developed adaptations suited for consuming grasses, which became increasingly abundant. The rise of grasslands also had cascading effects on predator-prey dynamics within ecosystems. As herbivores adapted to grazing on grasses, carnivorous mammals evolved alongside them, developing new hunting strategies and physical adaptations for capturing swift prey.\n\nThis period saw the emergence of formidable predators such as saber-toothed cats and large canids that were well-adapted to hunting in open environments. The interactions between herbivores and predators during this time exemplify how ecological changes can drive evolutionary innovation across multiple species.\n<h2>Miocene Megafauna: The Age of Giant Mammals<\/h2>\n<img id=\"2\" style=\"max-width: 100%; display: block; margin-left: auto; margin-right: auto; width: 70%;\" src=\"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2025\/02\/image-77.jpg\" \/>\n\nThe Miocene Epoch is often referred to as an age of megafauna due to the presence of numerous large mammals that roamed the Earth during this time. These giant creatures included species such as Paraceratherium, one of the largest land mammals ever to exist, which resembled a massive rhinoceros but lacked horns. Paraceratherium could reach heights comparable to modern giraffes and was primarily herbivorous, feeding on leaves from tall trees before grasslands became dominant.\n\nAnother notable example of Miocene megafauna is the giant short-faced bear (Arctodus simus), which was one of the largest bear species known to have existed. These bears were adapted for both scavenging and predation, showcasing an impressive size that allowed them to compete effectively for resources in their environment.<b> The presence of such large mammals during the Miocene reflects not only the ecological richness of this epoch but also highlights how size can confer advantages in terms of survival and reproduction within specific habitats.<\/b>\n<h2>Human Ancestors: Early Hominids in the Miocene<\/h2>\nThe Miocene Epoch also marks a crucial period in the evolution of human ancestors, with several key developments occurring among early hominids. Fossil evidence suggests that some of our earliest relatives emerged during this time, adapting to changing environments in Africa. One significant genus from this epoch is Australopithecus, which exhibited both ape-like and human-like traits.\n\nThese early hominids were bipedal but retained adaptations for climbing trees, reflecting their dual lifestyle in both arboreal and terrestrial settings. The evolutionary pressures faced by early hominids during the Miocene were closely linked to environmental changes. As forests fragmented and grasslands expanded, these ancestors had to adapt their foraging strategies and social behaviours to survive in increasingly open habitats.\n\nThe development of bipedalism is thought to have provided advantages in terms of energy efficiency while foraging over long distances in search of food resources.\n<blockquote style=\"br { display: none; margin: 1.5em 0; padding: 1.2em 1.5em; line-height: 1.6; height: 0; }background-color: #f8f9fa; border-left: 4px solid #e9ecef; font-size: 1.1em; color: #212529; border-radius: 4px; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);\">This period laid essential groundwork for subsequent evolutionary developments leading towards modern humans.<\/blockquote>\n<h2>The End of the Miocene Epoch: Transition to the Pliocene<\/h2>\nAs the Miocene Epoch drew to a close around 5.3 million years ago, significant changes were underway that would lead into the Pliocene Epoch. The climatic cooling trend that characterised the latter part of the Miocene continued into this new epoch, resulting in further alterations to global ecosystems. The transition marked a shift towards more pronounced seasonal variations in climate, which would have profound implications for both flora and fauna.\n\nThe end of the Miocene also saw significant extinctions among various species as they struggled to adapt to rapidly changing environments. Many megafauna that had thrived during this epoch faced challenges due to habitat loss and competition for resources. This period set the stage for new evolutionary pathways as surviving species adapted to their changing surroundings or faced extinction altogether.\n\nThe transition from the Miocene to Pliocene represents not just an end but also a beginning\u2014a time when new species would emerge while others faded into history, shaping the future trajectory of life on Earth.\n<h2>FAQs<\/h2>\n<h3>What is the Miocene Epoch?<\/h3>\nThe Miocene Epoch is a geological time period that occurred approximately 23 to 5.3 million years ago. It is part of the Neogene Period and is known for significant evolutionary developments in both plant and animal life.\n<h3>What significant events occurred during the Miocene Epoch?<\/h3>\nDuring the Miocene Epoch, the first apes appeared, and mammals continued to evolve further. The climate was generally warmer than it is today, and there were significant changes in the distribution of land and sea.\n<h3>What were the environmental conditions like during the Miocene Epoch?<\/h3>\nThe Miocene Epoch experienced a generally warm climate, with some fluctuations. The distribution of land and sea changed, leading to the formation of new habitats and the extinction of some species.\n<h3>How did plant and animal life evolve during the Miocene Epoch?<\/h3>\nThe Miocene Epoch saw the evolution of a diverse range of plant and animal species. Grasslands expanded, leading to the evolution of grazing animals, and the first apes appeared, marking an important step in primate evolution.\n<h3>What impact did the Miocene Epoch have on the Earth's geological and biological history?<\/h3>\nThe Miocene Epoch had a significant impact on the Earth's geological and biological history. It marked a period of important evolutionary developments, including the emergence of the first apes and further evolution of mammals. The changes in climate and land distribution also influenced the development of new habitats and the extinction of some species."],"_yoast_wpseo_title":["Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further."],"_yoast_wpseo_metadesc":["The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,.."],"_et_builder_dynamic_assets_loading_attr_threshold":["3"],"_wds_opengraph":["a:3:{s:5:\"title\";s:0:\"\";s:11:\"description\";s:0:\"\";s:6:\"images\";a:1:{i:0;s:0:\"\";}}"],"_wds_twitter":["a:3:{s:5:\"title\";s:0:\"\";s:11:\"description\";s:0:\"\";s:6:\"images\";a:1:{i:0;s:0:\"\";}}"],"_wds_focus-keywords":[""],"_wds_title":["Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further."],"_wds_metadesc":["The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,.."],"_wds_meta-robots-adv":[""],"_wds_meta-robots-nofollow":[""],"_wds_canonical":[""],"_et_dynamic_cached_shortcodes":["a:4:{i:0;s:13:\"et_pb_section\";i:1;s:9:\"et_pb_row\";i:2;s:12:\"et_pb_column\";i:50;s:10:\"et_pb_text\";}"],"_et_dynamic_cached_attributes":["a:0:{}"]},"categories":[12],"tags":[],"class_list":["post-19731","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-history"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; 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mammals evolve further.","description":"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.earth-site.co.uk\/Education\/miocene-epoch-23-5-3-million-years-ago-first-apes-mammals-evolve-further\/","og_locale":"en_GB","og_type":"article","og_title":"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; mammals evolve further.","og_description":"The Miocene Epoch, spanning from approximately 23 to 5.3 million years ago, represents a significant period in Earth's geological history,..","og_url":"https:\/\/www.earth-site.co.uk\/Education\/miocene-epoch-23-5-3-million-years-ago-first-apes-mammals-evolve-further\/","og_site_name":"Earth Site Education","article_publisher":"https:\/\/www.facebook.com\/people\/Earth-Site-Education\/61556359432402\/","article_published_time":"2025-02-05T05:12:53+00:00","article_modified_time":"2025-02-09T18:40:58+00:00","author":"Keir Chapman","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Keir Chapman","Estimated reading time":"9 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.earth-site.co.uk\/Education\/miocene-epoch-23-5-3-million-years-ago-first-apes-mammals-evolve-further\/#article","isPartOf":{"@id":"https:\/\/www.earth-site.co.uk\/Education\/miocene-epoch-23-5-3-million-years-ago-first-apes-mammals-evolve-further\/"},"author":{"name":"Keir Chapman","@id":"https:\/\/www.earth-site.co.uk\/Education\/#\/schema\/person\/f028ca91f88fe2e9e578f24056a12819"},"headline":"Miocene Epoch (23 \u2013 5.3 million years ago) \u2013 First apes; 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