Orcas also have massive teeth, which can grow up to 4 inches (10 centimeters) long. There is no record of an orca ever killing a human in the wild. One of the few documented near-attacks — an ...

UPDATE: Orcas might not have killed the whale despite an initial claim by a prominent researcher. An examination of the carcass after the whale washed ashore revealed possible shark bites ...

Get Instant Summarized Text (Gist) Some baleen whale species sing at frequencies below 100 hertz, making their calls undetectable to killer whales, which cannot hear such low frequencies. These ...

UPDATE: Orcas might not have killed the whale despite an initial claim by a researcher. An examination of the carcass after the whale washed ashore revealed possible shark bites, but results of a ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be ...

This is the first time pack- ice killer whales have ever been, ever been recorded. - Lee continues to listen to the group for several hours as they look for a suitable meal.

The federal measures put in place to protect the endangered orcas since the last ministerial assessment in 2018 have proven ...

Lynda V. Mapes, Tribune News Service The stories of salmon and orcas in the Pacific Northwest are linked. Their paths ...