Orcas, also known as killer whales, are one of the ocean’s most impressive and intelligent predators. Known for their ...

Although known as "killer whales," orcas are actually the largest ... and identify individual whales based on high-resolution black and white pictures of the dorsal (top) fin and the saddle ...

Killer whales are the sea’s top predator and “are mostly black on top with white undersides,” according to the National Oceanic and Atmospheric Administration. A group of killer whales were ...

After consulting with federal authorities, rescuers decided the most humane course of action was to euthanize the animal.

There are five types of killer whale in Antarctica, but only three found in these waters, near the peninsula south of South ...