{"id":4734,"date":"2016-03-30T01:08:39","date_gmt":"2016-03-30T05:08:39","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=4734"},"modified":"2016-04-04T01:54:15","modified_gmt":"2016-04-04T05:54:15","slug":"which-chick-to-feed-how-birds-choose","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/which-chick-to-feed-how-birds-choose\/","title":{"rendered":"Which chick to feed? How birds choose"},"content":{"rendered":"<p>&nbsp;<\/p>\n<div id=\"attachment_4735\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2016\/04\/great-tit-begging2-1024x729.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4735\" class=\"size-medium wp-image-4735\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2016\/04\/great-tit-begging2-1024x729-300x213.jpg\" alt=\"Birds which beg their parents the most for food are not always those who receive the most, according to the new analysis. (Image credit: Camilla Hinde)\" width=\"300\" height=\"213\" \/><\/a><p id=\"caption-attachment-4735\" class=\"wp-caption-text\">Birds which beg their parents the most for food are not always those who receive the most, according to the new analysis. (Image credit: Camilla Hinde)<\/p><\/div>\n<p>Which chick gets fed first in a brood seems to depend more on the environment than a chick\u2019s begging or its size. That\u2019s what researchers report after reviewing data on 143 different bird species.<\/p>\n<p>When food is plentiful and supplies are stable, birds will usually feed the chicks who beg the most and are in the poorest condition. However when times are tough and food is in short supply, birds choose to feed the largest chicks, regardless of begging by the others.<\/p>\n<p>The authors believe this review will help resolve a long-standing question in ecology of whether parents respond to signals of need (begging) or to signals of quality (such as the physical size) when deciding which of their offspring to feed.<\/p>\n<p>The review compiled available literature, including 306 studies.<\/p>\n<p><a href=\"http:\/\/nature.com\/articles\/doi:10.1038\/ncomms10985\" target=\"_blank\"><span style=\"text-decoration: underline;\">Original research\u00a0paper<\/span><\/a>\u00a0published in\u00a0<em>Nature\u00a0<\/em>on <strong>March\u00a030<\/strong><span class=\"aBn\" tabindex=\"0\" data-term=\"goog_453723367\"><span class=\"aQJ\"><strong>, 2015<\/strong>.<\/span><\/span><\/p>\n<p><span style=\"text-decoration: underline;\"><em><strong>Names and affiliations of selected\u00a0authors<\/strong><\/em><\/span><\/p>\n<h4>Stuart West, Department of Zoology, University of Oxford, United Kingdom<\/h4>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Which chick gets fed first in a brood seems to depend more on the environment than a chick\u2019s begging or its size. That\u2019s what researchers report after reviewing data on 143 different bird species. When food is plentiful and supplies are stable, birds will usually feed the chicks who beg the most and are [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"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":[25],"tags":[39,114,1445,215,917],"class_list":["post-4734","post","type-post","status-publish","format-standard","hentry","category-paper-of-interest","tag-animal-behaviour","tag-birds","tag-conservation","tag-environment","tag-evolution"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-1em","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/4734","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=4734"}],"version-history":[{"count":1,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/4734\/revisions"}],"predecessor-version":[{"id":4746,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/4734\/revisions\/4746"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=4734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=4734"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=4734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}