{"id":65166,"date":"2025-01-31T12:00:00","date_gmt":"2025-01-31T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/le-pterosaure-qui-setait-fait-croquer-par-un-crocodile"},"modified":"2025-01-31T12:00:00","modified_gmt":"2025-01-31T12:00:00","slug":"le-pterosaure-qui-setait-fait-croquer-par-un-crocodile","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/le-pterosaure-qui-setait-fait-croquer-par-un-crocodile","title":{"rendered":"Le Pt\u00e9rosaure qui S\u2019\u00e9tait Fait Croquer par un Crocodile"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Senegal. <\/strong><\/span>Aussi grands que des girafes ! A l\u2019a\u0302ge adulte, les pte\u0301rosaures de l\u2019espe\u0300ce Cryodrakon boreas pouvaient avoir jusqu\u2019a\u0300 dix me\u0300tres d\u2019envergure, mesurer dans les trois me\u0300tres et peser dans les 250 kilos. Ils appartiennent a\u0300 la famille des azhdarchide\u0301s qui comptent dans ses rangs parmi les plus grands reptiles volants. Le spe\u0301cimen de cette e\u0301tude devait e\u0302tre bien plus petit: il s\u2019agissait d\u2019un juve\u0301nile qui ne devait pas de\u0301passer les 2 me\u0300tres d\u2019envergure. Il n\u2019est connu que d\u2019une seule verte\u0300bre, date\u0301e de 76 millions d\u2019anne\u0301es, qui a e\u0301te\u0301 de\u0301couverte dans le Dinosaur Provincial Park, en Alberta, au Canada.<\/p>\n<p><b>Une perforation difficile a\u0300 expliquer<\/b><\/p>\n<p>La verte\u0300bre retrouve\u0301e pre\u0301sente une perforation circulaire de 4 mm de diame\u0300tre qui a interpelle\u0301 les pale\u0301ontologues qui l\u2019ont examine\u0301e. Ils ont utilise\u0301 des analyses micro-CT et des comparaisons avec d\u2019autres fossiles de pte\u0301rosaures pour exclure tout dommage cause\u0301 par le processus de fossilisation ou les manipulations re\u0301centes. Et leurs conclusions, publie\u0301es dans le Journal of Palaeontology, indiquent qu\u2019il s\u2019agit bien de l\u2019empreinte d\u2019une dent de crocodilien.<\/p>\n<p>\u00ab Les traces de morsure aident a\u0300 documenter les interactions entre espe\u0300ces de cette pe\u0301riode. Nous ne pouvons pas dire si le pte\u0301rosaure e\u0301tait vivant ou mort au moment de la morsure, mais le spe\u0301cimen montre que les crocodiliens chassaient occasionnellement des pte\u0301rosaures juve\u0301niles \u00bb, explique, dans un communique\u0301, Brian Pickles de l\u2019Universite\u0301 de Reading (Royaume-Uni) et co-auteur de l\u2019e\u0301tude. Ces donne\u0301es renforcent l\u2019hypothe\u0300se que les crocodiliens pre\u0301historiques e\u0301taient des pre\u0301dateurs opportunistes, capables de s\u2019attaquer ou de se nourrir d\u2019individus affaiblis ou morts.<\/p>\n<p><b>Des pre\u0301dateurs des airs<\/b><\/p>\n<p>Les azhdarchide\u0301s vivaient dans des environnements terrestres. Leur re\u0301gime alimentaire comprenait de petits animaux terrestres, voire des charognes, un comportement similaire a\u0300 celui d\u2019autres grands pre\u0301dateurs tels que les dinosaures ou les crocodiles. Cette de\u0301couverte est la premie\u0300re preuve directe en Ame\u0301rique du Nord de crocodiliens s\u2019attaquant a\u0300 des pte\u0301rosaures. Des traces similaires avaient de\u0301ja\u0300 e\u0301te\u0301 observe\u0301es sur des fossiles en Roumanie, ce qui confirme une strate\u0301gie de chasse potentiellement re\u0301pandue parmi ces animaux du Cre\u0301tace\u0301.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">Senegal<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<span style=\"color: #ff6600\"><\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Senegal. Aussi grands que des girafes ! A l\u2019a\u0302ge adulte, les pte\u0301rosaures de l\u2019espe\u0300ce Cryodrakon boreas pouvaient avoir jusqu\u2019a\u0300 dix me\u0300tres d\u2019envergure, mesurer dans les trois me\u0300tres et peser dans les 250 kilos. Ils appartiennent a\u0300 la famille des azhdarchide\u0301s qui comptent dans ses rangs parmi les plus grands reptiles volants. Le spe\u0301cimen [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":65165,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-65166","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Le Pt\u00e9rosaure qui S\u2019\u00e9tait Fait Croquer par un Crocodile - Senegal<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/senegal\/politique\/le-pterosaure-qui-setait-fait-croquer-par-un-crocodile\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le Pt\u00e9rosaure qui S\u2019\u00e9tait Fait Croquer par un Crocodile\" \/>\n<meta property=\"og:description\" content=\"Africa-Press &#8211; Senegal. Aussi grands que des girafes ! A l\u2019a\u0302ge adulte, les pte\u0301rosaures de l\u2019espe\u0300ce Cryodrakon boreas pouvaient avoir jusqu\u2019a\u0300 dix me\u0300tres d\u2019envergure, mesurer dans les trois me\u0300tres et peser dans les 250 kilos. Ils appartiennent a\u0300 la famille des azhdarchide\u0301s qui comptent dans ses rangs parmi les plus grands reptiles volants. 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