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

Using sightings over four decades, researchers have pinpointed three main orca habitats off Australia, with key differences ...

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

SEATTLE— The Center for Biological Diversity sued the Trump administration today for failing to protect the West Coast ocean habitat of the last remaining Southern Resident killer whales. The ...

A female killer whale who was seen pushing the corpse of its short-lived offspring off the west coast of Canada is a sign of things to come, experts said Thursday.. The calf, which survived for ...

Trump Administration Stalls Protections as Southern Resident Killer Whales Drop to 75. SEATTLE— This weekend’s announcement that another rare West Coast orca has died lends new urgency to a recent ...

Female killer whales live to be around 50 years old, but some orcas have lived up to 100 years. Males live shorter lives, usually dying by age 29. The oldest male orcas reach just 60 years.

Protections for the habitat of the endangered Southern Resident killer whales (Orcinus orca) have been expanded by the National Oceanic and Atmospheric Administration to the Monterey Bay area ...

Washington's endangered orca whales received new habitat protections from the federal government on Friday. The National Marine Fisheries Service finalized rules to expand the orca's critical ...

How big they are: Up to 32 feet (9.8 meters) long How long they live: Up to 100 years, but usually around 25 to 50 years What they eat: Fish, seals, seabirds, squid, sharks, and even whales Orcas ...

In this Aug. 7, 2018 photo, Southern Resident killer whale J50 and her mother, J16, swim off the west coast of Vancouver Island near Port Renfrew, British Columbia. (Brian Gisborne/Fisheries and ...