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

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

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

Researchers analyzed 1,310 killer whale sightings spanning 40 years and, using species distribution modelling, pinpointed three key Australian habitats, the Bonney Upwelling (South Australia/Victoria) ...

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

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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 ...

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

Only 73 southern resident killer whales are left, but researchers believe there is a way to save the species. For the first ...

A new report from a group of more than 30 experts says a population of endangered killer whales off the coast of British ...

A new report from a group of more than 30 experts says a population of endangered killer whales off the coast of British Columbia and Washington state is showing no sign of recovery under the current ...