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 ...

WASHINGTON (AP) — 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 ...

But this behavior — passed down through generations — is trickier than it looks, according to new research published Tuesday in the journal Royal Society Open Science. Hunting with a sponge on their ...

Despite their name, killer whales (orcas) are actually dolphins.