Two studies reveal that the communication systems of most cetaceans examined adhere to the principles of efficiency and ...

Killer whales are the only natural predator of baleen whales — those that have "baleen" in their mouths to sieve their plankton diet from the water ...

Whale song can be as efficient as – and, in some cases, more efficient than – human communication, according to a new study in Science Advances ...

The weird way dolphins are peeing in the Amazon River is baffling scientists - Mysterious behaviour may be form of ...

The scarcity of prey is the most prevalent threat for the Arctic fox. Disease and genetic pollution of the species by foxes bred in captivity also threatens this species. Temperatures in the Arctic ...