Some whale species evade killer whales by singing at deep frequencies that are “completely undetectable” to the predators, according to a new study. Photo from John Towner, UnSplash Some ...

A peachy orange baby killer whale was spotted bouncing and rolling in waters off Washington, a nonprofit said. A pod of the endangered Southern Resident killer whales were photographed Feb. 8 off ...

“But these super loud songs could expose them and their mates to killer whale attack,” Branch said in the release. “And this is where acoustic crypsis (a type of enigmatic behavior for ...