Hybridization between two high Arctic cetaceans confirmed by genomic analysis
https://www.nature.com/articles/s41598-019-44038-0 https://www.sciencenews.org/article/dna-confirms-greenland-whale-narwhal-beluga-hybrid
https://www.nature.com/articles/s41598-019-44038-0 https://www.sciencenews.org/article/dna-confirms-greenland-whale-narwhal-beluga-hybrid