A Pygmy killer whale — rarely seen in the shallow waters that surround the Florida Keys — was found injured, sick and ...

Many orca pregnancies fail ... applies to those who continue to struggle long after a loss. The Biology of Grief: Grief isn’t only a psychological experience. It can affect the body too ...

The National Oceanic and Atmospheric Administration said the reproductive biology of Pygmy killer ... Mammal Responder walk with a Pygmy killer whale that was found stranded off the beach at ...

Grief has long thought to be a human trait, but other animals – from killer whales to crows – also appear to suffer loss when ...

Researchers at Kyoto University have found that contagious peeing is common among chimps at a local sanctuary.

But what we amusingly hypothesized as an "Orca-nized" crime spree may be something a little less sinister. After all, these animals are a playful bunch when they're not ruthlessly group-hunting ...

The orca, known as Tahlequah ... professor emeritus of ecology and evolutionary biology at the University of Colorado, Boulder. "They were surrounding the corpse with their heads down, sort ...

published in "Global Change Biology" in June, describes one group as "globally genetically distinct" while the second is similar to killer whales from Greenland. Garroway said the two Arctic orca ...