{"id":345425,"date":"2025-12-14T21:15:10","date_gmt":"2025-12-14T21:15:10","guid":{"rendered":"https:\/\/www.newsbeep.com\/ca\/345425\/"},"modified":"2025-12-14T21:15:10","modified_gmt":"2025-12-14T21:15:10","slug":"surprising-alliance-orcas-and-dolphins-appear-together-in-a-b-c-first","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/ca\/345425\/","title":{"rendered":"&#8216;Surprising alliance&#8217;: Orcas and Dolphins appear together in a B.C. first"},"content":{"rendered":"<p>Orcas and dolphins were seen off of B.C.\u2019s coast together for the first time in what researchers are calling a \u201csurprising alliance.\u201d<\/p>\n<p>The paper, which was published in <a href=\"https:\/\/www.nature.com\/articles\/s41598-025-22718-4\" target=\"_blank\" rel=\"nofollow noopener\">Scientific Reports<\/a>, reveals that the ocean\u2019s two top predators were hunting for Chinook salmon together in the first video of its kind.<\/p>\n<p>Involved in the hunt were northern resident killer whales and Pacific white-sided dolphins.<\/p>\n<p>The study was done by researchers from\u202fUBC,\u202f Dalhousie University,\u202f the Leibniz\u202fInstitute and the Hakai Institute and suggests that these interactions weren\u2019t just by chance.<\/p>\n<p>\u201cInstead, the species\u202fappear to be\u202fworking together to hunt Chinook salmon in waters off B.C., where they are often seen within\u202fmetres\u202fof each other.\u202f\u201d<\/p>\n<p>The collaboration is quite in-depth and intentional, as the study reveals.<\/p>\n<p>\u201cWe also recorded reduced echolocation and rolling movements by the killer whales in the presence of dolphins, suggesting that the whales may eavesdrop on dolphin echolocations to scan broader areas to locate large Chinook salmon\u2014prey that are too big for the dolphins to capture and swallow whole,\u201d the paper states.<\/p>\n<p>\u201cWe\u2019ve long known that resident killer whales interact with Pacific white-sided dolphins, but seeing them dive and hunt in sync with dolphins completely changes our understanding of what those encounters mean,\u201d said\u202flead author Dr. Sarah Fortune, Canadian Wildlife Federation Chair in Large Whale Conservation and assistant professor in Dalhousie\u2019s\u202foceanography\u202fdepartment.<\/p>\n<p><img alt=\"b.c. orcas\" title=\"\" loading=\"lazy\" width=\"2226\" height=\"1321\" decoding=\"async\" data-nimg=\"1\" class=\"size-full wp-image-2225162\" style=\"color:transparent\"   src=\"https:\/\/www.newsbeep.com\/ca\/wp-content\/uploads\/2025\/12\/Image-2025-12-12-at-12.43\u202fPM.jpeg\"\/><\/p>\n<p id=\"caption-attachment-2225162\" class=\"wp-caption-text\">University of British Columbia (A.Trites), Dalhousie University (S. Fortune), Hakai Institute (K. Holmes), Leibniz Institute for Zoo and Wildlife Research (X. Cheng)<\/p>\n<p>\u201cOur footage shows that killer whales and dolphins may actually be cooperating to find and share prey\u2014something never before documented in this population.\u201d<\/p>\n<p><img alt=\"\" title=\"\" loading=\"lazy\" width=\"2110\" height=\"1404\" decoding=\"async\" data-nimg=\"1\" class=\"size-full wp-image-2225163\" style=\"color:transparent\"   src=\"https:\/\/www.newsbeep.com\/ca\/wp-content\/uploads\/2025\/12\/Drone-launch_Trites-7584_UBC_HAKAI_DAL_IZW.jpg\"\/><\/p>\n<p id=\"caption-attachment-2225163\" class=\"wp-caption-text\">University of British Columbia (A.Trites), Dalhousie University (S. Fortune), Hakai Institute (K. Holmes), Leibniz Institute for Zoo and Wildlife Research (X. Cheng)<\/p>\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/1-H4OTkuiR5RIjlo9UDW31EG8zIoEBgKv\/view\" target=\"_blank\" rel=\"nofollow noopener\">This drone footage<\/a> shows off some of the intense action in the collaborative hunt. It sounds like very little goes to waste in these sorts of hunts.<\/p>\n<p>\u201cCaptured fish were brought to the surface by the killer whales and broken apart for sharing with other matrilineally related pod members\u2014while the accompanying dolphins scavenged scraps.\u201d<\/p>\n<p><img alt=\"\" title=\"\" loading=\"lazy\" width=\"1842\" height=\"1201\" decoding=\"async\" data-nimg=\"1\" class=\"size-full wp-image-2225165\" style=\"color:transparent\"   src=\"https:\/\/www.newsbeep.com\/ca\/wp-content\/uploads\/2025\/12\/Image-2025-12-12-at-12.44\u202fPM.jpeg\"\/><\/p>\n<p id=\"caption-attachment-2225165\" class=\"wp-caption-text\">University of British Columbia (A.Trites), Dalhousie University (S. Fortune), Hakai Institute (K. Holmes), Leibniz Institute for Zoo and Wildlife Research (X. Cheng)<\/p>\n<p>Neither the B.C. orcas nor dolphins showed signs of aggression or avoidant behaviour toward one another.<\/p>\n<p>\u201cThe findings highlight the ecological significance of interspecies associations and the potential role they play in shaping marine food webs and helping predators adapt\u202fin\u202fa changing ocean. The researchers say further investigation is needed to understand how widespread and consistent such co-operative\u202fbehaviours\u202fmay be.\u201d<\/p>\n<p>The study says that these findings will change the way researchers think about the relationship between the ocean\u2019s two top predators.<\/p>\n<p>You can read more on the <a href=\"https:\/\/news.ubc.ca\/2025\/12\/orcas-and-dolphins-seen-hunting-together-for-the-first-time\/\" target=\"_blank\" rel=\"nofollow noopener\">UBC website<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"Orcas and dolphins were seen off of B.C.\u2019s coast together for the first time in what researchers are&hellip;\n","protected":false},"author":2,"featured_media":345426,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[49,48,295,66],"class_list":{"0":"post-345425","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-environment","8":"tag-ca","9":"tag-canada","10":"tag-environment","11":"tag-science"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/345425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/comments?post=345425"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/345425\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media\/345426"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media?parent=345425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/categories?post=345425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/tags?post=345425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}