{"id":49589,"date":"2018-08-29T18:51:14","date_gmt":"2018-08-29T18:51:14","guid":{"rendered":"https:\/\/baleinesendirect.org\/est-ce-que-des-hybrides-chez-les-cetaces-existent\/"},"modified":"2020-03-11T15:28:07","modified_gmt":"2020-03-11T15:28:07","slug":"do-hybrids-exist-in-cetaceans","status":"publish","type":"post","link":"https:\/\/baleinesendirect.org\/en\/do-hybrids-exist-in-cetaceans\/","title":{"rendered":"Do hybrids exist in cetaceans?"},"content":{"rendered":"

By C\u00e9lia Baratier<\/p>\n

This year once again, the research team aboard the BpJAM<\/em> saw the narwhal<\/a>! He seems to have made his home in the St. Lawrence for the past three years. As the beluga’s closest kin, the narwhal is also a highly social species. The narwhal in the St. Lawrence can thus be observed hanging around a group of young male belugas. Sharing the same living space is conducive to such encounters, which is enough to wonder whether these two species can reproduce together and produce viable offspring, but also more broadly whether this is possible in cetaceans. A review of literature allowed us to identify 62 possible cases of hybridization.<\/p>\n

In baleen whales<\/strong><\/h2>\n

Perhaps you’ve heard about the individual harvested in Iceland in July? It had the physical characteristics of a blue whale. Hunting this endangered species is prohibited, however. Following genetic analysis, this individual turned out to be a hybrid between a fin whale and a blue whale, making it the 12th<\/sup> such hybrid reported between these two species. Hybrids generally show the physical characteristics of one of the parents, which makes them difficult to identify with the naked eye as hybrids, and which makes the number of fin-blue whale hybrids underestimated. These hybrids are not necessarily fertile, with just one of the five individuals analyzed being capable of reproducing. This female was even pregnant with a second calf.<\/p>\n

Two other hybrid individuals, this time between northern minke whales and Antarctica minke whales, have been observed. One of them was a pregnant female.<\/p>\n

In addition, in 2009, a potential hybrid between a right whale and a bowhead whale was photographed in the Bering Sea between Alaska and Russia.<\/p>\n","protected":false},"excerpt":{"rendered":"

By C\u00e9lia Baratier This year once again, the research team aboard the BpJAM saw the narwhal! He seems to have made his home in the St. Lawrence for the past three years. As the beluga’s closest kin, the narwhal is also a highly social species. The narwhal in the St. Lawrence can thus be observed […]<\/p>\n","protected":false},"author":15,"featured_media":49590,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[29],"tags":[1435,464],"class_list":["post-49589","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-whale-qa","tag-hybride-en","tag-reproduction-en"],"acf":[],"yoast_head":"\nDo hybrids exist in cetaceans? - Baleines en direct<\/title>\n<meta name=\"description\" content=\"By C\u00e9lia Baratier This year once again, the research team aboard the BpJAM saw the narwhal! 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