Killer whales, also known as orcas, are incredibly intelligent apex predators. As such, researchers have been observing the ...

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

Rubbing against algae to slough off dead skin has been observed in other cetaceans, but never before with what can truly be ...

When your cat bites you, it is not just a random attempt from your furry friend; instead, it is packed with meaning.

New research shows southern resident killer whales grooming each other using kelp they’ve modified, and researchers think it’s the first time researchers have documented marine mammals making ...

Orcas were spotted using kelp as a grooming tool on each other, the first known use of tools among cetaceans for something ...

This out-of-context grooming behavior helps distract the animal, lower its arousal levels, and deflect any social conflict or agonistic interactions, explains board-certified veterinary ...

Female chimpanzees that forge strong, grooming-rich friendships with other females dramatically boost their infants’ odds of making it past the perilous first year—no kin required. Three decades of ...