DNA analysis of an unusually shaped skull found in West Greenland suggests the creature was a hybrid male whale, with a narwhal mother and beluga father
Source:
https://www.newscientist.com/article/2207013-weird-whale-may-be-a-hybrid-of-a-narwhal-mother-and-beluga-father/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home