Killer whales are one of the most intelligent animals; only humans have a larger brain relative to their body size, according to the study.

Now, killer whales have been observed making out in the wild for the first time — and with some epic tongue action to boot, as seen in an amorous video making waves online.

A recent report reveals that wild orcas, Orcinus orca, also known as killer whales, sometimes offer food to humans, according to the report’s lead author, Jared Towers, executive director of Bay ...

Photo: Jared R. Towers. (D) An adult female killer whale NZ51 (Dian) retrieves most of an eagle ray after offering it to Brian Skerry underwater in the Western South Pacific. Photo: Brian Skerry.

The behavior could be the first-ever documented accounts of wild predators offering their food to people. In a nutshell Wild killer whales have been documented offering food to humans 34 times ...

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their prey with humans, according to research published in the Journal of ...

Petting wild animals is never recommended, but this man has known these bears since they were cubs.

Killer whales were seen ‘kissing’ for the first time in the wild, photo evidence shows. The ‘rare’ encounter ‘lasted nearly two minutes,’ researchers said.