killer whale

flickr

Pod of Killer Whales by Corina on flickr. 

newscientist.com
Orcas are first non-humans whose evolution is driven by culture
Genomes of 50 whales from different social niches reveal that their varying cultures are also genetically distinct
By Colin Barras

Killer whales shared a common ancestor as recently as 200,000 years ago, but individual cultural groups have become genetically distinct – so killer whale genomes and culture have co-evolved.

The more we learn about killer whales, the more amazing they are.