The owner of a San Diego whale-watching company this week shared extraordinary footage showing Eastern Tropical Pacific killer whales preying on dolphins ... the stampede-and-chase phenomenon ...

SAN DIEGO (FOX 5/KUSI) — The pod of orca whales that ... something called a “dolphin stampede,” where a group of dolphins all begin to bolt at high rates of speed to chase food or run ...

A Pygmy killer whale — rarely seen in the shallow waters that surround the Florida Keys — was found injured, sick and ...

What’s more, the identification of individuals of both species shows that the same false killer whales return to the area year after year and that many of the dolphins that associate with the ...

On a cold January day I was surrounded by hundreds of black-and-white killer whales—Orcinus orca, not a whale but rather the largest dolphin ... or fight them or chase them away.