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 ...

Avoiding predators is one of the most important jobs for many members of the animal world. Even ocean giants like baleen whales have something to fear from killer whales, their only known natural ...

The blue whale is the largest animal on the planet. It consumes enormous quantities of tiny, shrimp-like animals known as ...

A blue whale photographed in September 2010.NOAA The blue whale is the largest animal on the planet. It consumes enormous quantities of tiny ...

Our study shows that while aerial urination may be rare, or rarely observed, in cetaceans, it is relatively common in botos.” ...

When certain algae flourish in the sea, they produce neurotoxins that can sicken both humans and marine animals. Acute ...

Only male whales sing as part of an elaborate courtship display to prove their worth to potential mates. Other ways to woo a whale can include physical competition, where males charge at speed all in ...

A whale shark has left tropical waters to make a rare appearance off a town on the NSW South Coast a few hours’ drive from ...

Suitors in the 18th and 19th centuries often carved love tokens out of whatever material was at hand. According to the National Museum of Wales, a cow horn carved with intricate patterns in its ...

Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

From mammoth African elephants to giant whales, let's take a look at the 8 largest mammals that inhabit our planet.