{"id":73597,"date":"2025-12-18T12:00:00","date_gmt":"2025-12-18T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/abeilles-nichant-dans-des-fossiles-comportement-inedit"},"modified":"2025-12-19T01:37:43","modified_gmt":"2025-12-19T01:37:43","slug":"abeilles-nichant-dans-des-fossiles-comportement-inedit","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/abeilles-nichant-dans-des-fossiles-comportement-inedit","title":{"rendered":"Abeilles Nichant dans des Fossiles Comportement In\u00e9dit"},"content":{"rendered":"

Africa-Press – Senegal. <\/strong><\/span>Dans cette grotte du sud de la Re\u0301publique Dominicaine, la Cueva de Mono, une accumulation exceptionnelle de fossiles raconte une histoire e\u0301cologique a\u0300 plusieurs temps. Des ossements mis au jour appartiennent majoritairement a\u0300 la fin du Ple\u0301istoce\u0300ne et au tout de\u0301but de l\u2019Holoce\u0300ne, il y a environ entre 30.000 et 10.000 ans. A\u0300 cette e\u0301poque, des chouettes effraies ge\u0301antes aujourd\u2019hui e\u0301teintes occupaient durablement la cavite\u0301. Pendant des mille\u0301naires elles y ont ramene\u0301 leurs proies pour nourrir leurs rejetons, en particulier des hutias, de gros rongeurs ende\u0301miques des Carai\u0308bes.<\/p>\n

Des fossiles recycle\u0301s bien apre\u0300s la mort<\/b><\/p>\n

Les fossiles de hutias, parfois exceptionnellement bien conserve\u0301s, se sont donc accumule\u0301s lentement et ont finalement e\u0301te\u0301 recueillis lors de fouilles mene\u0301es pour le Muse\u0301e d\u2019histoire naturelle de Floride. Ils ont e\u0301te\u0301 examine\u0301s par Lazaro Vin\u0303ola Lopez qui a remarque\u0301 que certaines alve\u0301oles dentaires pre\u0301sentaient une surface interne e\u0301tonnamment lisse. \u00ab Normalement, on nettoie syste\u0301matiquement les alve\u0301oles lors de la pre\u0301paration \u00bb, explique-t-il dans un communique\u0301. \u00ab Mais comme cette espe\u0300ce de hutia e\u0301tait extre\u0302mement rare ailleurs sur l\u2019i\u0302le, j\u2019ai pris le temps d\u2019examiner chaque spe\u0301cimen avant nettoyage \u00bb. Cette pre\u0301caution a permis de conserver la trace d\u2019un e\u0301ve\u0301nement bien plus re\u0301cent que la mort de l\u2019animal, mais de\u0301ja\u0300 ancien a\u0300 l\u2019e\u0301chelle humaine.<\/p>\n

L\u2019analyse ichnologique montre en effet que les cavite\u0301s dentaires sont tapisse\u0301es d\u2019un reve\u0302tement lisse et imperme\u0301able. Apre\u0300s des investigations comple\u0301mentaires, les chercheurs ont constate\u0301 qu\u2019il s\u2019agissait d\u2019une sorte de cire produite par des abeilles fouisseuses. Ces dernie\u0300res ont e\u0301difie\u0301 leurs nids, probablement durant l\u2019Holoce\u0300ne re\u0301cent (il y a quelques milliers d\u2019anne\u0301es), dans ces alve\u0301oles de rongeurs.<\/p>\n

Plusieurs fossiles exploite\u0301s<\/b><\/p>\n

Les re\u0301sultats sont publie\u0301s dans la revue Palaeontologica Electronica. Outre les mandibules de hutias a\u0302ge\u0301es de plus de 10.000 ans, les abeilles ont e\u0301galement colonise\u0301 la cavite\u0301 pulpaire d\u2019une dent de paresseux terrestre et me\u0302me l\u2019inte\u0301rieur d\u2019une de ses verte\u0300bres, la\u0300 ou\u0300 passait autrefois la moelle e\u0301pinie\u0300re. Les scanners re\u0301alise\u0301s ont re\u0301ve\u0301le\u0301, parfois, des nids emboi\u0302te\u0301s, jusqu\u2019a\u0300 six successifs dans une seule alve\u0301ole, signe que plusieurs ge\u0301ne\u0301rations d\u2019abeilles ont re\u0301utilise\u0301 le me\u0302me espace sur une dure\u0301e probablement longue.<\/p>\n

Cette exploitation surprenante et ine\u0301dite est sans doute due aux conditions difficiles qui re\u0301gnaient sur l\u2019i\u0302le. \u00ab A\u0300 l\u2019exte\u0301rieur, le paysage karstique a perdu presque tous ses sols meubles \u00bb, rappelle Mitchell Riegler co-auteur de l\u2019e\u0301tude. \u00ab Les grottes deviennent alors l\u2019un des rares endroits ou\u0300 des abeilles peuvent encore creuser \u00bb. Des fouilles sont encore programme\u0301es dans ce lieu, elles permettront peut-e\u0302tre de de\u0301couvrir d\u2019autres supports adopte\u0301s par ces abeilles.<\/p>\n

Pour plus d’informations et d’analyses sur la Senegal<\/span>, suivez Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Senegal. Dans cette grotte du sud de la Re\u0301publique Dominicaine, la Cueva de Mono, une accumulation exceptionnelle de fossiles raconte une histoire e\u0301cologique a\u0300 plusieurs temps. Des ossements mis au jour appartiennent majoritairement a\u0300 la fin du Ple\u0301istoce\u0300ne et au tout de\u0301but de l\u2019Holoce\u0300ne, il y a environ entre 30.000 et 10.000 ans. […]<\/p>\n","protected":false},"author":82,"featured_media":73596,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-73597","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"\nAbeilles Nichant dans des Fossiles Comportement In\u00e9dit - Senegal<\/title>\n<meta name=\"description\" content=\"Dans cette grotte du sud de la Re\u0301publique Dominicaine, la Cueva de Mono, une accumulation exceptionnelle de fossiles ra ...\" \/>\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\/toutes-les-actualites\/abeilles-nichant-dans-des-fossiles-comportement-inedit\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Abeilles Nichant dans des Fossiles Comportement In\u00e9dit\" \/>\n<meta property=\"og:description\" content=\"Dans cette grotte du sud de la Re\u0301publique Dominicaine, la Cueva de Mono, une accumulation exceptionnelle de fossiles ra ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/abeilles-nichant-dans-des-fossiles-comportement-inedit\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-18T12:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-19T01:37:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/12\/sm_1766136829.118401.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"899\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/abeilles-nichant-dans-des-fossiles-comportement-inedit#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/abeilles-nichant-dans-des-fossiles-comportement-inedit\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Abeilles Nichant dans des Fossiles Comportement In\u00e9dit\",\"datePublished\":\"2025-12-18T12:00:00+00:00\",\"dateModified\":\"2025-12-19T01:37:43+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/abeilles-nichant-dans-des-fossiles-comportement-inedit\"},\"wordCount\":537,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/abeilles-nichant-dans-des-fossiles-comportement-inedit#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/12\/sm_1766136829.118401.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/abeilles-nichant-dans-des-fossiles-comportement-inedit#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/abeilles-nichant-dans-des-fossiles-comportement-inedit\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/abeilles-nichant-dans-des-fossiles-comportement-inedit\",\"name\":\"Abeilles Nichant dans des Fossiles Comportement In\u00e9dit - 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