"The killer whale that we studied in captivity was capable of learning vocalisations of other killer whales and also human vocalisations ... powerful predators. They eat marine mammals such ...

Killer whales (also called orcas) are apex predators ... and even intentionally beaching themselves to catch prey on the shore. Read more about what whales eat.

A solitary killer ... "human activities, like climate change and industrial fishing, are exerting significant pressures on our oceans". And there could be health repercussions for killer whales ...

Odontocetes, or whales with teeth, use echolocation to hunt their food with sound rather than sight. They eat squid, octopus, ...