These were a type of killer whale not usually seen. There are three ecotypes of killer whales along the West Coast, said Black, who has been studying killer whales in the bay for the last 35 years.

A new study found that a killer whale pod in Mexico is attacking much larger whale sharks from below to debilitate them. This "sniper" hunting strategy appears to be an organized attack, according ...

Killer whales are known for their intelligence and power, even an inclination to sink yachts. Now, research is showing how they take down prey that few other animals can. Orcas in Mexico's Gulf of ...

A discovery of unique killer whale behavior may be the first documented time a marine species has been seen using and creating tools for something not food-related. The finding was made in ...

A killer whale was spotted balancing a salmon on its head. It’s not clear what the behavior means, but orcas were observed doing the same thing in the 1980s.

The bereaved whale mother who made headlines when she heartbreakingly grieved her dead baby for more than two weeks has given birth to a new calf, scientists said.. The mama orca, named J35 by ...

J35, a southern resident killer whale also known as Tahlequah, carried her child's body on her head for 17 days across a distance of 1,000 miles in 2018, according to the Center for Whale Research.

A killer whale mom, who shot to fame after she carried her dead calf’s corpse with her for more than two weeks in a harrowing tale of grief, has lost another baby, scientists revealed.. The orca ...

The sighting of a baby killer whale in British Columbia has given researchers a sign of hope for the endangered species, according to the Center for Whale Research.