This is the moment an orca was spotted for the first time hunting with Pacific white-sided dolphins. New research has found that killer whales tag-team with dolphins to hunt salmon. The two marine ...

(CNN) — A pod of Pacific white-sided dolphins off the coast of British Columbia have been observed cooperating with orcas, a traditional enemy that’s better known for taking out great white sharks ...

WASHINGTON — Some dolphins in Australia have a special technique to flush fish from the seafloor. They hunt with a sponge on their beak, like a clown nose. Using the sponge to protect from sharp rocks ...

Picture a dolphin diving toward the seafloor with something odd on its nose. It is not a shell or a fish. It is a sea sponge.