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 ...

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, the ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. In this photo provided by the Shark Bay Dolphin Research Project, a bottlenose dolphin wearing a marine sponge on its nose to ...