{"id":815,"date":"2014-04-01T16:25:08","date_gmt":"2014-04-01T21:25:08","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=815"},"modified":"2014-04-21T16:25:45","modified_gmt":"2014-04-21T21:25:45","slug":"les-rayures-des-zebres-previendraient-les-piqures-de-mouches","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/les-rayures-des-zebres-previendraient-les-piqures-de-mouches\/","title":{"rendered":"Les rayures des z\u00e8bres pr\u00e9viendraient les piq\u00fbres de mouches"},"content":{"rendered":"<div id=\"attachment_813\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/04\/zebra_grazing.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-813\" class=\"size-full wp-image-813\" alt=\"Pourquoi les z\u00e8bres ont-ils des rayures? Les chercheurs ont formul\u00e9 plusieurs hypoth\u00e8ses, mais peu d\u2019entre elles ont \u00e9t\u00e9 test\u00e9es. Une \u00e9tude comparative sur les \u00e9quid\u00e9s montrent que les rayures sont associ\u00e9es aux r\u00e9gions o\u00f9 les mouches et moustiques piqueurs sont pr\u00e9sents. (Cr\u00e9dit photo : Caro et al.)\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/04\/zebra_grazing.jpg\" width=\"300\" height=\"200\" \/><\/a><p id=\"caption-attachment-813\" class=\"wp-caption-text\">Pourquoi les z\u00e8bres ont-ils des rayures? Les chercheurs ont formul\u00e9 plusieurs hypoth\u00e8ses, mais peu d\u2019entre elles ont \u00e9t\u00e9 test\u00e9es. Une \u00e9tude comparative sur les \u00e9quid\u00e9s montrent que les rayures sont associ\u00e9es aux r\u00e9gions o\u00f9 les mouches et moustiques piqueurs sont pr\u00e9sents. (Cr\u00e9dit photo : <a href=\"http:\/\/press.nature.com\/pdf\/press_files\/ncomms\/01-04-2014\/photograph_zebra_grazing.jpg\" target=\"_blank\">Caro et al.<\/a>)<\/p><\/div>\n<p>Pourquoi les z\u00e8bres sont-ils ray\u00e9s? Les auteurs d\u2019une nouvelle \u00e9tude estiment que les rayures ne serviraient pas de camouflage, mais seraient plut\u00f4t un moyen d\u2019\u00e9viter les piq\u00fbres de mouches. Ils ont trouv\u00e9 que la r\u00e9partition g\u00e9ographique des \u00e9quid\u00e9s \u00e0 rayure correspondait \u00e0 celle des mouches qui \u00e9vitent de se poser sur les surfaces blanches et noires. De plus, ils n\u2019ont trouv\u00e9 aucune preuve comme quoi les rayures seraient utiles comme camouflage, dans la gestion de la chaleur ou dans les interactions sociales.<\/p>\n<p><!--more--><\/p>\n<p>Pour lire l\u2019article original publi\u00e9 dans<em>\u00a0Nature Communications<\/em>\u00a0le\u00a0<strong>1er Avril 2014<\/strong>,\u00a0<span style=\"text-decoration: underline;\"><a href=\"http:\/\/www.nature.com\/ncomms\/2014\/140401\/ncomms4535\/full\/ncomms4535.html\" target=\"_blank\">cliquez\u00a0ici<\/a><\/span>.<\/p>\n<p><span style=\"text-decoration: underline;\"><strong>Auteur \u00e0 contacter pour plus d\u2019informations<\/strong><\/span><\/p>\n<h4><a href=\"http:\/\/wfcb.ucdavis.edu\/people\/faculty\/caro.php\" target=\"_blank\">Tim Caro<\/a>, Universit\u00e9 de la Californie \u00e0 Davis<\/h4>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pourquoi les z\u00e8bres sont-ils ray\u00e9s? Les auteurs d\u2019une nouvelle \u00e9tude estiment que les rayures ne serviraient pas de camouflage, mais seraient plut\u00f4t un moyen d\u2019\u00e9viter les piq\u00fbres de mouches. Ils ont trouv\u00e9 que la r\u00e9partition g\u00e9ographique des \u00e9quid\u00e9s \u00e0 rayure correspondait \u00e0 celle des mouches qui \u00e9vitent de se poser sur les surfaces blanches et [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":813,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[531],"tags":[235,683,919],"class_list":["post-815","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest-fr","tag-animaux","tag-environnement","tag-evolution-fr"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/04\/zebra_grazing.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-d9","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/815","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=815"}],"version-history":[{"count":2,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/815\/revisions"}],"predecessor-version":[{"id":1120,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/815\/revisions\/1120"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/813"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=815"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=815"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}