{"id":123426,"date":"2019-06-18T16:40:01","date_gmt":"2019-06-18T16:40:01","guid":{"rendered":"https:\/\/www.bnreport.com\/hyenas-roamed-the-arctic-during-the-last-ice-age\/"},"modified":"2019-06-18T16:40:01","modified_gmt":"2019-06-18T16:40:01","slug":"hyenas-roamed-the-arctic-during-the-last-ice-age","status":"publish","type":"post","link":"https:\/\/www.bnreport.com\/en\/hyenas-roamed-the-arctic-during-the-last-ice-age\/","title":{"rendered":"Hyenas roamed the Arctic during the last ice age"},"content":{"rendered":"<p>Modern hyenas stalk the savannas of Asia and Africa, but the animals ancient relatives may have had snowier stomping grounds: the Arctic. Two fossilized teeth, collected in Canada in the 1970s, confirm a long-held hunch that ancient hyenas ventured into North America via the Bering land bridge, scientists say.<\/p>\n<p>The teeth belonged to members of the extinct <a href=\"https:\/\/doi.org\/10.5334\/oq.64\" rel=\"noreferrer noopener\" target=\"_blank\">genus <\/a><a href=\"https:\/\/doi.org\/10.5334\/oq.64\" rel=\"noreferrer noopener\" target=\"_blank\"><em>Chasmaporthetes<\/em><\/a>, also known as the \u201crunning hyena\u201d for their unusually long legs, researchers report June 18 in <em>Open Quaternary<\/em>. Like wolves, the creatures could sprint over long distances. That ability that may have enabled the hyenas to make the long trek to America from Asia. Running hyena remains crop up across the southern United States and central Mexico. But before the Arctic discovery, a more than 10,000-kilometer gap lay between them and their closest relatives in Mongolia.<\/p>\n<p>\u201cThis new Arctic find puts a dot right in the middle of that,\u201d says paleontologist Jack Tseng of the University at Buffalo in New York. \u201cIt actually confirms previous hypotheses about how hyenas got to the New World.\u201d<\/p>\n<pre><code> The teeth date to between 850,000 and 1.4 million years ago, Tseng says, placing the hyenas in the Arctic during the Pleistocene Ice Age, which began roughly 2.6 million years ago and lasted until about 11,700 years ago. The large carnivores may have hunted ancient caribou, horses, &lt;a href=\"https:\/\/www.sciencenews.org\/article\/camel-ancestors-lived-arctic\" rel=\"noreferrer noopener\" target=\"_blank\"&gt;camels&lt;\/a&gt; and the occasional juvenile mammoth (&lt;em&gt;SN: 4\/6\/13, p. 9&lt;\/em&gt;).\n<\/code><\/pre>\n<p>Paleontologists originally dug up the teeth in the Old Crow Basin in the Yukon at a site nicknamed the \u201csupermarket of fossils.\u201d There, rushing water dislodges fossils from their soil beds and drops them along bends in the river. The spoils can be reached only by boat or helicopter, but its worth the effort \u2014 over 50,000 known mammal fossils have been collected in the basin to date.<\/p>\n<p>For decades, the hyena teeth lay buried among fossil specimens in the Canadian Museum of Nature in Ottawa. Few field notes referenc<a href=\"https:\/\/www.sciencenews.org\/article\/hyenas-arctic-ice-age-land-bridge\" rel=\"noreferrer noopener\" target=\"_blank\"><strong>Read More \u2013 Source<\/strong><\/a><br \/>\n[contf]<br \/>\n[contfnew]<br \/>\n        <img decoding=\"async\" src=\"https:\/\/www.sciencenews.org\/profiles\/sn\/themes\/science_news\/logo.png\"\/><\/p>\n<h5><a href=\"https:\/\/app.newswirenow.co.uk\/www.sciencenews.org\" rel=\"noreferrer noopener\" target=\"_blank\">science news<\/a><\/h5>\n<p>[contfnewc]<br \/>\n[contfnewc]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Modern hyenas stalk the savannas of Asia and Africa, but the animals ancient relatives may have had ..<\/p>\n","protected":false},"author":1,"featured_media":123428,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-123426","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - 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