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class="banner half dark" style="background-image: url('https://becominghuman.org/wp-content/uploads/2023/02/shutterstock_hand-comparison-e1686179518524.jpg'); background-position: center center"> <div class="container"> <div class="container-inner"> <div class="flex-column"> <div class="entry-title"> <h1>Why Study Nonhuman Primates</h1> </div> </div> </div> </div> </section> <section id="section-link-back" class="breadcrumb"> <div class="container"> <div class="container-inner"> <div class="flex-column"> <a href="/pathways-to-discovery/"><i class="fa fa-long-arrow-left" aria-hidden="true"></i> Back to Studying Nonhuman Primates</a> </div> </div> </div> </section> <section class="section-main gray no-pad-bottom"> <div class="container"> <div class="container-inner"> <div class="flex-column default"> <div class="entry-title"> <h2>Highlights</h2> </div> </div> </div> </div> </section> <section class="section-main section-content-highlights gray default no-pad-top"> <div class="container"> <div class="container-inner"> <div class="flex-column default"> <div class="content"> <ul> <li>Behavior leaves very little evidence in the fossil record, we use living primates to test hypotheses about how our hominin relatives responded to environmental variation, and to gain insight into their social lives.</li> </ul> </div> </div> </div> </div> </section> <section class="section-main section-single default "> <div class="container"> <div class="container-inner"> <div class="flex-column default left"> <div class="content"> <p>Humans are more closely related to nonhuman primates than we are to any other animal group. As such, we share with them a host of morphological, physiological, developmental, and behavioral traits. The existence of this array of the same relation, relative position, or structure traits, the product of the common evolutionary history of the primates, means that nonhuman primates are useful models for understanding the evolutionary roots of human biology and behavior.</p> </div> </div> </div> </div> </section> <section class="section-main section-image gray "> <div class="container"> <div class="container-inner"> <div class="flex-column default center"> <div class="content"> <div class="single-image"> <img src="https://becominghuman.org/wp-content/uploads/2023/02/bh-nonhuman-primates-hand-comparison.jpg" alt="" /> </div> <p class="caption">The hand of each primate has evolved to serve behavioral and biological needs. Image credit Shutterstock</p> </div> </div> </div> </div> </section> <section class="section-main section-single default "> <div class="container"> <div class="container-inner"> <div class="flex-column default left"> <div class="content"> <p>Primates range in size from the pygmy mouse lemur, which weighs about one ounce, to the male gorilla, which weighs about 350 pounds. Some species live in dense tropical forests, while others live in woodland or savanna habitats. Some are solitary and nocturnal, while others live in large groups and are active during the day.</p> </div> </div> </div> </div> </section> <section class="section-main section-image gray "> <div class="container"> <div class="container-inner"> <div class="flex-column default center"> <div class="content"> <div class="single-image"> <img src="https://becominghuman.org/wp-content/uploads/2023/02/bh-nonhuman-primates-lemur-silverback.jpg" alt="" /> </div> <p class="caption">Pygmy mouse lemur (left) and Silverback gorillas (right) each belong to the primate genus. Image credit (lemur) <a href="https://animals-are-cool.fandom.com/wiki/Pygmy_Mouse_Lemur?file=Mbe_lge_148.jpg" target="_blank" rel="noopener">https://animals-are-cool.fandom.com/wiki/Pygmy_Mouse_Lemur?file=Mbe_lge_148.jpg</a>; (Silverback) <a href="https://gorillafund.org/gorilla-protection/celebrating-the-life-of-silverback-gorilla-mafunzo/" target="_blank" rel="noopener">https://gorillafund.org/gorilla-protection/celebrating-the-life-of-silverback-gorilla-mafunzo/</a></p> </div> </div> </div> </div> </section> <section class="section-main section-single default "> <div class="container"> <div class="container-inner"> <div class="flex-column default left"> <div class="content"> <p>Such differences between closely-related animals provide the opportunity to study how species adapt to specific ecological conditions. Because behavior leaves very little evidence in the fossil record, we use living primates to test hypotheses about how our hominin relatives responded to environmental variation and to gain insight into their social lives.</p> <p><em>Written by Joan Silk PhD</em></p> </div> </div> </div> </div> </section> <section class="section-main section-title-button gray"> <div class="container"> <div class="container-inner"> <div class="flex-column intro left"> <div class="entry-title"> <h2>More in This Section</h3> </div> </div> <div class="flex-column intro right"> <div class="button-wrap dark right"> <a href="/pathways-to-discovery/" class="arrow"> <span class="icon"></span> <span class="text">Back to Pathways</span> </a> </div> </div> </div> </div> </section> <section class="section-main section-more-posts"> <div class="container"> <div class="container-inner"> <div class="flex-column more-posts"> <div class="more-post"> <div class="more-post-image"> <a href="https://becominghuman.org/pathways-to-discovery/studying-non-human-primates/understanding-nonhuman-primate-behavior/" style="background-image: url('https://becominghuman.org/wp-content/uploads/2019/10/intergroup_grooming-langergraber-banner-image-1030x328.jpg')"></a> </div> <div class="more-post-title"> <a href="https://becominghuman.org/pathways-to-discovery/studying-non-human-primates/understanding-nonhuman-primate-behavior/">Nonhuman Primates and Cooperation</a> </div> </div> <div class="more-post"> <div class="more-post-image"> <a href="https://becominghuman.org/pathways-to-discovery/studying-non-human-primates/living-in-groups/" style="background-image: url('https://becominghuman.org/wp-content/uploads/2023/02/Bonobo-Kokolopori-Martin-Surbeck-langergraber-banner-1030x426.jpg')"></a> </div> <div class="more-post-title"> <a href="https://becominghuman.org/pathways-to-discovery/studying-non-human-primates/living-in-groups/">Living in Groups</a> </div> </div> <div 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