{"id":2224,"date":"2014-07-07T13:40:56","date_gmt":"2014-07-07T18:40:56","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=2224"},"modified":"2014-07-08T14:22:52","modified_gmt":"2014-07-08T19:22:52","slug":"hawks-and-owls-have-trouble-as-single-dads","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/hawks-and-owls-have-trouble-as-single-dads\/","title":{"rendered":"Hawks and owls have trouble as single dads<img src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/01\/canada_flag_icon_small.gif\">"},"content":{"rendered":"<div id=\"attachment_2214\" style=\"width: 360px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/07\/FhJanetFosterFeeding6.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2214\" class=\"size-full wp-image-2214\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/07\/FhJanetFosterFeeding6.jpg\" alt=\"Female hawks and owls tear prey and offer bite-sized portions for their chicks. A new study suggests that when females are removed or killed, the males can\u2019t easily take over this behaviour; thus chicks can starve while surrounded by heaps of food. (Photo credit: Janet Foster)\" width=\"350\" height=\"222\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/07\/FhJanetFosterFeeding6.jpg 350w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/07\/FhJanetFosterFeeding6-300x190.jpg 300w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/a><p id=\"caption-attachment-2214\" class=\"wp-caption-text\">Female hawks and owls tear prey and offer bite-sized portions for their chicks. A new study suggests that when females are removed or killed, the males can\u2019t easily take over this behaviour; thus chicks can starve while surrounded by heaps of food. (Photo credit: Janet Foster)<\/p><\/div>\n<p><span style=\"color: #222222;\">Some male hawks and owls have trouble adapting their behaviour in order to raise chicks on their own, a new study finds. <\/span><\/p>\n<p><span style=\"color: #222222;\">In breeding pairs, the male is the primary provider of prey for their young while females tear the prey into right-sized chunks and also brood the chicks. (i.e. use their bodies to shield them from the elements.) If the female is killed, the male continues to bring food, but his inability to feed or brood the chicks often means they become weak and\/or die, despite being surrounded by food so abundant that it decays in the next. <\/span><\/p>\n<p><span style=\"color: #222222;\">The researchers document nearly a dozen such cases going back several decades and suggest factors that would influence the nestlings\u2019 chances of survival.<\/span><\/p>\n<p><span style=\"text-decoration: underline;\"><a href=\"http:\/\/canadianfieldnaturalist.ca\/index.php\/cfn\/article\/view\/1578\" target=\"_blank\">Original research paper<\/a><\/span>\u00a0published in the journal\u00a0<em>Canadian Field-Naturalist\u00a0<\/em>on\u00a0<strong>July 7, 2014<\/strong>.<\/p>\n<p><span style=\"text-decoration: underline;\"><strong>Names and affiliations of selected\u00a0authors<\/strong><\/span><\/p>\n<h4><span style=\"color: #222222;\">Joe Schmutz, University of Saskatchewan,\u00a0<\/span>Saskatchewan<\/h4>\n<h4><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Some male hawks and owls have trouble adapting their behaviour in order to raise chicks on their own, a new study finds. In breeding pairs, the male is the primary provider of prey for their young while females tear the prey into right-sized chunks and also brood the chicks. (i.e. use their bodies to shield [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2214,"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":[39,174,113,114,1445,917,1723,1290,1810],"class_list":["post-2224","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest","tag-animal-behaviour","tag-animals","tag-biology","tag-birds","tag-conservation","tag-evolution","tag-parenting","tag-reproduction","tag-saskatchewan"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/07\/FhJanetFosterFeeding6.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-zS","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/2224","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=2224"}],"version-history":[{"count":3,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/2224\/revisions"}],"predecessor-version":[{"id":2233,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/2224\/revisions\/2233"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/2214"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=2224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=2224"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=2224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}