A killer whale gives a raspberry and says ‘hello’
Mimicry of human sounds supports the idea that imitation matters in the cetaceans’ own dialects
![two killer whales](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/01/013018_SM_orca_feat.jpg?fit=860%2C460&ssl=1)
SAY WHAT? Killer whales can (sort of) imitate human words and other very unwhalelike sounds, says a tough test of mimicry.
Maarten Visser/Wikicommons (CC BY-SA 2.0)