Orcas, or killer whales, are deadly and beautiful apex predators.

While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

Once thriving, there are now believed to be just 73 Southern Resident killer whales left in Washington state's Puget Sound.

The report recommends ensuring the orcas have "priority access" to early-season chinook in the Fraser River through fishing closures. It also calls on government to identify seasonal and annual prey ...

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Scientists documented 34 remarkable cases of wild killer whales trying to give food to humans across four oceans over 20 ...

The most recent census found 73 southern resident killer whales. Of those, 22 were observed to be in poor condition. Since ...

Prior to this instance, the “tongue-nibbling” had only been observed a handful of times in captivity. First seen in captive ...

BELOVED orca Lolita, who was known for her mind-blowing tricks and decades spent in captivity, died just weeks after she was ...

For the first time, scientists from around the world have come up with a plan to save the critically endangered southern ...

A study published in the journal Oceans details the remarkable chance encounter between a group of citizen scientists on a ...

In each of these cases, the killer whales approached the people on their own and dropped their prey in front of them. “This ...