If we're being honest, the Omiltemi cottontail rabbit (Sylvilagus insonus) is not much to look at. It's a fairly conventional bunny: long ears, strong hind legs, short tail, a little chubby ...

In a remarkable sighting, photographers came across a caiman on the banks of Brazil's Cuiabá River with a girthy anaconda coiled around its upper body.

Two recently released clips from separate nature docuseries showcase the jaguar's caiman-killing capabilities.

Mustelids don' hunt primates very often, but it does happen, as these photos documenting an encounter between yellow-throated martens and a rhesus macaque show.

A camera trap in the Rocky Mountain foothills recorded a puma and Canada lynx in the same spot and the same stance a few months apart – giving us a chance to compare and contrast.

A site in northwestern China recently yielded a huge haul of pterosaur eggs, some with the remains of embryos preserved inside!

When a diver in Australia got a little too close to a tiger shark's turtle meal, the predator wasted little time in telling the interloper to back off.

When it comes to naming ancient species, some palaeontologists have a little more fun than others.

The Arabian wolf is usually a shadowy presence in Israel's Ein Gedi Nature Reserve. But lately, food scraps left by tourists have lured the predators closer.

Dolphins were recently filmed "tossing the tarpon" in Florida Bay. So, why do these crafty cetaceans sometimes "play" with their food?

Studying dinosaur brains is not easy, especially since the soft and squishy bits themselves are long since decomposed away (except for that one time) – but that's not stopping Ashley Morhardt of ...

Shark researchers are concerned that a proposed total ban on the fin trade in the US could do more harm than good.