The animal kingdom is full of unique shapes and appendages – here's a closer look at trunks (and really long noses) ...

These fierce-looking, torpedo-shaped fish can be found in warm and tropical waters all round the world. Each of the 20 or so ...

Sand piranhas keep beaches clean by feasting on dead and decaying matter and returning their nutrients to the ecosystem ...

Meet the tiny predator that howls at the moon before striking a deadly attack – discover the deadliest mouse in the world.

A cape cobra possesses potent venom - a neurotoxin as lethal as that of the black mamba, causing death by respiratory ...

In Canada and the US this formidable predator has the alternative name of Timber Wolf due to its preferred habitat in ...

Cassowaries are the only modern birds that have been recorded killing humans in combat in the wild. Cassowaries are large, ...

Alcatraz Island, a small, rocky outcrop about 1.5km offshore from San Francisco, is surrounded by chilly waters and fierce ...

Stretching across a dramatic 12-kilometre landscape, this vibrant and densely populated community operates with the ...

Silk is a complex protein substance. It has an inner core of fibroin – a tough, flexible, long-chain polymer – and an outer, ...

Confusingly, it slightly depends on who you ask. Using the IUCN Red List as the source, and excluding domestic dogs, there ...

The barking owl is a striking-looking hunter found in Australia’s woodlands. Compact, powerful and yellow-eyed, it spends the ...