{"id":588085,"date":"2026-04-06T00:56:15","date_gmt":"2026-04-06T00:56:15","guid":{"rendered":"https:\/\/www.newsbeep.com\/au\/588085\/"},"modified":"2026-04-06T00:56:15","modified_gmt":"2026-04-06T00:56:15","slug":"whats-the-fastest-land-mammal-in-the-americas-meet-the-speed-demon-that-could-outrun-a-cheetah-in-a-long-distance-race","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/au\/588085\/","title":{"rendered":"What\u2019s the fastest land mammal in the Americas? Meet the speed demon that could outrun a cheetah in a long-distance race"},"content":{"rendered":"<p>The Americas, which encompasses North, Central and South America and the Caribbean, has a huge variety of landscapes \u2013 and therefore animals.<\/p>\n<p>From imposing mountains to desert plains and tropical beaches, these habitats provide a home for all sorts of creatures.<\/p>\n<p>But have you ever wondered what the fastest land mammal in the Americas is?<\/p>\n<p>What\u2019s the fastest land mammal in the Americas?<\/p>\n<p>The fastest terrestrial mammal found in the Americas is the pronghorn. While it\u2019s commonly called an American antelope, its closest living relatives are the <a href=\"https:\/\/www.discoverwildlife.com\/animal-facts\/mammals\/facts-about-giraffes\" rel=\"nofollow noopener\" target=\"_blank\">giraffe<\/a> and <a href=\"https:\/\/www.discoverwildlife.com\/animal-facts\/mammals\/facts-about-okapi\" rel=\"nofollow noopener\" target=\"_blank\">okapi<\/a>.<\/p>\n<p>It\u2019s the only surviving member of the Antilocapridae family, which are a family of <a href=\"https:\/\/www.discoverwildlife.com\/animal-facts\/what-is-a-ruminant\" rel=\"nofollow noopener\" target=\"_blank\">ruminants<\/a> endemic to North America. They are commonly found in western North America, ranging from Alberta (in Canada) and into Mexico. <\/p>\n<p>A pronghorn herd begins to pick up speed in Yellowstone National Park, USA. Credit: BBC Natural History\/Getty Images<\/p>\n<p>The pronghorn can reach speeds up to 55 mph (88.5 kmph). It\u2019s thought to have evolved a larger cardiopulmonary system in order to reach these speeds to evade the now-extinct North American <a href=\"https:\/\/www.discoverwildlife.com\/animal-facts\/mammals\/mammal-cheetah-guide-facts\" rel=\"nofollow noopener\" target=\"_blank\">cheetah<\/a> and American <a href=\"https:\/\/www.discoverwildlife.com\/animal-facts\/mammals\/facts-about-lions\" rel=\"nofollow noopener\" target=\"_blank\">lion<\/a>.<\/p>\n<p>While it\u2019s thought that the <a href=\"https:\/\/www.discoverwildlife.com\/animal-facts\/mammals\/mammal-cheetah-guide-facts\" rel=\"nofollow noopener\" target=\"_blank\">cheetah<\/a> could outpace a pronghorn in a short sprint, pronghorns are built for endurance running, so could outrun a cheetah in stretches of over 800 metres.<\/p>\n<p>Top image: a pronghorn in Wyoming. Credit: Scott Suriano\/Getty Images<\/p>\n","protected":false},"excerpt":{"rendered":"The Americas, which encompasses North, Central and South America and the Caribbean, has a huge variety of landscapes&hellip;\n","protected":false},"author":2,"featured_media":588086,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[64,63,128,338],"class_list":{"0":"post-588085","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-wildlife","8":"tag-au","9":"tag-australia","10":"tag-science","11":"tag-wildlife"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/588085","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/comments?post=588085"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/588085\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media\/588086"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media?parent=588085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/categories?post=588085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/tags?post=588085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}