Male killer whales appear to be more protected by their mothers than female killer whales are, a new study has found. Published in the journal Current Biology by researchers at the University of ...

Other toothed whales such as sperm whales, as well as the filter-feeding baleen whales, including the blue whale, have not been found to experience menopause. A killer whale jumps out of the water ...

The killer whale on boat "violence" doesn't seem to be going away. Last week, an orca (Orcinus orca) reportedly launched itself into a yacht off the coast of the North Sea.The event, which wasn't ...

"Evolution has selected for this brain in the female killer whale that is so determined to keep her son alive, that she will potentially not get the food she herself needs, but go hungry to keep ...

Other animals including some early humans, non-human primates, sea otters, elephants, and bird species are known to use ...

Female killer whales, also known as orcas, live up to 90 years in the wild—with an average of 22 years when they are no longer able to reproduce. Only six species of animals—humans and five ...

There are five species of toothed whales that undergo menopause — short-finned pilot whales, false killer whales, killer whales, narwhals and belugas — making it the type of animal that is ...

The study’s findings, published in Nature Ecology & Evolution, could help explain why endangered whale populations continue to decline despite conservation efforts.

Killer whales have joined the rare club of animals that can make and use tools, for the first time being observed crafting a ...

The findings are published in the journal Ecology and Evolution. Around the world, killer whales (Orcinus orca) have been ...

Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans. Here's what they think is going on.