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

Offshore killer whales prey largely on sharks, including deepwater sleeper sharks, which boast large and fatty livers. But the orcas also prey on fish, such as Pacific halibut and salmon.

There are no records of orca ever hunting and killing humans in the wild, despite numerous interactions between the two species. Orca have been known to prey on whale species larger than ...

A whale watching boat in Monterey Bay, California, spotted a trio of rare offshore killer whales feeding on prey. The whales hunt sharks.

Transient killer whales — including a calf — were spotted swimming out of the Yaquina River. Photographer Jaklyn Larsen has already documented three sightings this year, including the well ...

A pod of 60 to 80 killer whales rarely seen by researchers, was spotted Thursday by Whale Watchers out in Monterey Bay.They're called "offshore" orcas, and scientists say they haven't been seen ...

These killer whales seen off the continental shelf of northeastern New Zealand are members of the elusive ecotype of offshore orcas. Orca populations have been divided into ecotypes to account for ...

A whale watching boat in Monterey Bay, California, spotted a trio of rare offshore killer whales feeding on prey. The whales hunt sharks.

A whale watching boat in Monterey Bay, California, spotted a trio of rare offshore killer whales feeding on prey. The whales hunt sharks.