Dolphins and porpoises are actually whales. But whales are whales too. And so are narwhals. Sorry for springing that on you ...

Just moments after a Navy EA-18G Growler jet crashed into San Diego Bay this week, members of the U.S. Navy’s Marine Mammal ...

A wildlife expert says he is concerned about a sudden drop in sightings of porpoises on the north Wales coast. Mick Green, ...