{"id":31292,"date":"2010-04-12T04:00:00","date_gmt":"2010-04-12T08:00:00","guid":{"rendered":"https:\/\/www.yorku.ca\/researchdev\/2010\/04\/12\/sex-adultery-betrayal-divorce-york-prof-investigates-birds-clandestine-behaviours-2\/"},"modified":"2025-01-29T14:38:44","modified_gmt":"2025-01-29T19:38:44","slug":"sex-adultery-betrayal-divorce-york-prof-investigates-birds-clandestine-behaviours-2","status":"publish","type":"post","link":"https:\/\/www.yorku.ca\/research\/2010\/04\/12\/sex-adultery-betrayal-divorce-york-prof-investigates-birds-clandestine-behaviours-2\/","title":{"rendered":"Sex, adultery, betrayal, divorce: York prof investigates birds\u2019 clandestine behaviours"},"content":{"rendered":"<p>Why do birds  divorce? What makes them cheat on their spouses? Why might couples  favour one offspring over another? A new book by a York University  professor delves into these and other aspects of the secret lives of  birds.<\/p>\n<p><a href=\"http:\/\/research.news.yorku.ca\/files\/2010\/04\/Bird-Detective.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-814 alignright\" title=\"The Bird Detective\" src=\"http:\/\/research.news.yorku.ca\/files\/2010\/04\/Bird-Detective-150x150.jpg\" alt=\"Investigating the Secret Lives of Birds\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p>In <em><a href=\"http:\/\/www.harpercollins.ca\/books\/9781554683475\/The_Bird_Detective\/index.aspx\">The Bird Detective<\/a>, <\/em>Bridget <a href=\"https:\/\/www.yorku.ca\/bstutch\/\">Stutchbury<\/a> roams  forests and jungles studying the sexual antics and social lives of  birds, and details the science behind their surprisingly sophisticated  and often amusing behavior. The book,  published by <a href=\"http:\/\/www.harpercollins.ca\/index.aspx\">HarperCollins<\/a>, hits shelves April 16.<\/p>\n<p>Stutchbury, a <a href=\"http:\/\/www.chairs-chaires.gc.ca\/chairholders-titulaires\/profile-eng.aspx?profileId=783\">Canada Research Chair in\u00a0 Ecology and Conservation Biology<\/a> and a professor in the <a href=\"https:\/\/www.yorku.ca\/gradbiol\/faculty\/profiles\/bridgetj.html\">Department of Biology<\/a> in York\u2019s Faculty of  Science &amp; Engineering, also explains how understanding birds\u2019  behaviour will help to conserve increasingly-threatened species.<\/p>\n<p>Using radio-tracking technology, Stutchbury and York post-doctoral  student Bonnie Wolfenden solved a mystery that had puzzled biologists:  how were female Acadian flycatchers getting fertilized  by neighbouring males who lived hundreds of metres away?<\/p>\n<p>\u201cWe had the  genetic evidence of their infidelity, but we never did catch a female  sneaking away from its nest. It turned out to be the males making  clandestine visits to the females,\u201d Stutchbury says.<\/p>\n<p>Divorce is a  regular part of life for almost all birds; most live with one partner  for only a few months or years, depending on the species. Annual divorce  ra<strong><\/strong>tes range from 99 percent in the Greater Flamingo to zero in the  Wandering Albatross.<\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yorku.ca\/yfile\/photos\/20100413\/BridgetStutchbury.jpg\" alt=\"\" hspace=\"8\" vspace=\"8\" width=\"175\" height=\"201\" align=\"left\" \/><\/strong>\u201cThere are a  number of theories about why birds go their separate ways,\u201d Stutchbury  says. \u201cOne hypothesis is that birds that are genetically or  behaviourally incompatible separate when both can benefit from finding a  new partner.\u201d Another theory is that birds, like humans, realize they  can do better: one pair member initiates divorce for selfish gain,  leaving its former partner high and dry.<\/p>\n<p>Left: <strong>Bridget Stutchbury<\/strong><\/p>\n<p><strong><\/strong>As in  humans, divorce can take its toll on offspring, creating a situation  where one partner is left to care for eggs or young. \u201cIn the worst-case  scenario, birds may abandon the breeding attempt and leave the offspring  to die in favour of starting over with a new, better partner,\u201d  Stutchbury says.<\/p>\n<p>Birds are also known to exhibit favouritism when  it comes to their young. They must invest more effort into raising  sons, as males are larger and require more food.<\/p>\n<p>\u201cWe see  birds providing extra food and care to one gender of offspring over  another, depending on environmental circumstances,\u201d says Stutchbury. In  ye<\/p>\n<p>ars where food is plentiful, some birds may raise male hatchlings  exclusively.<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yorku.ca\/yfile\/photos\/20100413\/BridgetStutchburySilence1Cv.jpg\" alt=\"\" hspace=\"8\" vspace=\"8\" width=\"150\" height=\"225\" align=\"right\" \/><\/p>\n<p>In <em>The Bird Detective, <\/em>Stutchbury also gives a first-hand  account of how she and her team became the first researchers in the  world to track migratory songbirds from breeding to wintering grounds.  Last winter, she published a paper in the journal <a href=\"http:\/\/www.sciencemag.org\/\"><em>Science<\/em><\/a> showing the tiny birds\u2019 astonishing speed in migration, finding that  they fly three times faster than previously suspected.<\/p>\n<p>Stutchbury emphasizes that these aspects of behaviour aren\u2019t  mere curiosities: they\u2019re crucial puzzle pieces that will help  researchers protect birds from threats like climate change, habitat  destruction, and other environmental concerns.<\/p>\n<p>\u201cThere\u2019s truly a pressing need for behavioural research \u2013  otherwise there\u2019s no way for us to know how to best protect species.\u201d<\/p>\n<p>A book launch for <em>The Bird Detective <\/em>will take  place Thursday April 29, at 7:30pm at <a href=\"http:\/\/www.torontobotanicalgarden.ca\/\">Toronto Botanical Garden<\/a>.<\/p>\n<p>Stutchury is also the author of <a href=\"http:\/\/www.harpercollins.ca\/book\/index.aspx?isbn=9780002007283\"><em>Silence  of the Songbirds<\/em><\/a>, which was a finalist for the <a href=\"http:\/\/www.canadacouncil.ca\/news\/releases\/2007\/uc128366060109425415.htm\">2007 Governor  General\u2019s Award for Non-Fiction<\/a>.<\/p>\n<p><em>By Melissa Hughes, media relations officer, with photos courtesy of <\/em><a href=\"https:\/\/www.yorku.ca\/yfile\">YFile<\/a><em>\u2013 York University\u2019s      daily e-bulletin.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Why do birds divorce? What makes them cheat on their spouses? Why might couples favour one offspring over another? A new book by a York University professor delves into these and other aspects of the secret lives of birds. In The Bird Detective, Bridget Stutchbury roams forests and jungles studying the sexual antics and social [&hellip;]<\/p>\n","protected":false},"author":37,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[42,197,6204,6188,103,136,41],"tags":[1239,1240,341,1241,77,342,124,1242,1196,337,1243,1244,556,1245,1246,1206,61,1247,1248],"class_list":["post-31292","post","type-post","status-publish","format-standard","hentry","category-announcements","category-awards-honours","category-books-research-publications","category-canada-research-chair-awards-honours","category-research-publications","category-science","category-students","tag-acadian-flycatcher","tag-bird-behaviour","tag-birds","tag-bonnie-wolfenden","tag-books","tag-bridget-stutchbury","tag-canada-research-chair","tag-canada-research-chair-in-ecology-and-conservation-biology","tag-canadian-migratory-songbirds","tag-department-of-biology","tag-divorce-in-birds","tag-greater-flamingo","tag-melissa-hughes","tag-post-doctoral-student","tag-science","tag-silence-of-the-songbirds","tag-students","tag-the-bird-detective","tag-wandering-albatross"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sex, adultery, betrayal, divorce: York prof investigates birds\u2019 clandestine behaviours | Research &amp; Innovation<\/title>\n<meta name=\"description\" content=\"For immediate release: Sex, adultery, betrayal, divorce: York prof investigates birds\u2019 clandestine behaviours. 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