Latest about Dolphins
Orcas sink another boat in Europe after a nearly hour-long attack
For the fourth time in two years, a group of unusually brazen orcas in southwestern Europe have sunk a sailing boat after relentlessly attacking it for almost an hour on Halloween.
Watch a huge megapod of acrobatic spinner dolphins in incredible, rare video
A megapod of dolphins with thousands of individuals has been captured on video hunting flying fish off the coast of Costa Rica.
11 ways orcas show their terrifying intelligence
Orcas have their own dialect, greeting ceremonies and even wore salmon as hats in a weird fad during the 1980s.
Orcas are learning terrifying new behaviors. Are they getting smarter?
From sinking boats and feasting on shark livers to dining on whale tongue and tossing porpoises around for fun, orcas are displaying some fascinating — and sometimes terrifying — behaviors.
Orcas that hunted alongside humans might be extinct
Researchers used DNA analysis and traditional knowledge to learn about an orca named Old Tom and his family's remarkable relationship with humans.
Orcas are harassing and playing with baby porpoises in deadly game that has lasted 60 years
Scientists may have finally figured out why a population of orcas in the Salish Sea have been tossing porpoises around and taking them into their mouths without eating them.
Scientists investigate mysterious case of orca that swallowed 7 sea otters whole
The female orca was found far from her normal hunting ground with six whole sea otters in its stomach and one lodged between its oral cavity and the esophagus.
Opportunistic orcas have developed a new feeding behavior that appears to be killing them
More orcas have died entangled in fishing gear in Alaska this year than in previous years, which may be linked to a "new behavior" where they feed in front of ascending fishing nets.
