Blue whale calves are huge at birth but still vulnerable, and orca attacks on them are rare, high-risk events that require coordinated pod hunting. Mothers defend calves by positioning their massive ...

Humans and two species of whales - the Killer whale and the Pilot whale, are the only animals known to have an extended post-reproductive life. Menopause is something of a biological puzzle as most ...

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SEATTLE - Where did they come from? And why are they here? Those are the questions researchers are asking as a small pod of unfamiliar killer whales moves through the Salish Sea. Mysterious orca ...

Three orcas that had not previously been recorded in the Seattle area have delighted whale watchers with several visits.

Newport recently had a couple of unexpected oceanic visitors: two Bigg’s killer whales, looking for a seal meal. The two whales were observed off Yaquina Head near Cobble Beach on April 25, and their ...

The team films something not seen before: an hours-long teaching session between adults and their young. Killer whales are one of only a handful of animals that actively teach their young, and it’s ...

Hunting killer whales always eat the animals they kill, typically leaving behind only a few low-energy parts, such as fins. "Also, if it was just aggression, they wouldn't bother to tear off the fin," ...

A whale watching boat recently spotted a large group of orcas, also called killer whales, off the northern Channel Islands.

Killer whales rarely risk hunting leopard seals – Antarctica’s second top predator. But when reinforcement whales appear, this group of killer whales has a technique for capturing this aggressive ...

Photo of a large blue whale with bright light on a black background. Insulation.© ARomadov/Shutterstock.com Blue whale calves enter the world already the size of a bus, yet they still face danger. A ...