Guanaco herds frequently place a ‘sentinel’ on a vantage point to look out for danger while the remainder of the herd are ...

Adult red crabs live in the forested interior of Christmas Island and stream to the coast in November and December to breed – ...

In parts of India and Southeast Asia, tigers occasionally kill young Asian elephants. Adults are generally safe from the ...

Lysmata wurdemanni is a saltwalter shrimp which can be found along the Atlantic seaboard of the US and along the Gulf of ...

A team of researchers reconstructed an ancient marine ecosystem – and discovered a previously unseen seventh layer in its ...

Ivory gulls sometimes breed on mountainous Arctic peaks, known as nunataks. These all-white gulls, perfectly camouflaged to ...

The southern cassowary ( Casuarius casuarius) is one of the most dangerous birds on Earth, and while its powerful legs and ...

A rare, brutal fight between two female pumas battling for a vital lakeside refuge for their cubs in Patagonia ...

On the way down, much is captured by filter-feeding animals, with the rest settling on the ocean floor as a thick, oozy layer ...

This is a classic example of eavesdropping: the prairie dogs are only trying to communicate to their own kind, but the ...

The clip was filmed for Apple TV's Born to be Wild, which follows the extraordinary bond between baby animals and humans ...

Here’s where tigers and lions are vastly different. Tigers are solitary cats, maintaining individual territories and joining ...