By searching through museum specimens, scientists found two new, and rather peculiar, spiders species from St Helena: one ...

They say that nice guys finish last, a sentiment with which this motely crew of mammals, reptiles, birds, fish, amphibians and insects would surely agree. As some of the most aggressive species on the ...

In the first clip from BBC TV series Kingdom, David Attenborough narrates a tense encounter between a pregnant hyena and pack of wild dogs ...

West Coast transient killer whales have long fascinated marine scientists with their impressive mammal-hunting techniques. Now, new research by the University of British Columbia (UBC) is shedding ...

Gorillas are the world’s largest primates, with a typical male silverback weighing almost 200 kilograms. There are two species of gorilla – the eastern gorilla (Gorilla beringei) and western gorilla ...

Named after the wedge-shaped stone at the top of an arch, which locks the other stones into position and prevents collapse, a keystone species is one that plays a central role in the structure of an ...

Despite being two different species of squirrel the grey and red squirrel do share some similarities, says Mark Henderson from the Red Squirrel Survival Trust. Both squirrels are arboreal (tree ...

Scientists investigating a single species of African toad found more than they bargained for: three species, all of which give birth to live young.

Nostrils weren’t always used for breathing. Back when we were all still fish, our noses were good only for smelling – as modern fishes’ noses still are. And we’d have had two pairs of nostrils, one ...

A species of bear that lives in China, almost all of the giant panda’s close relatives are meat-eaters. A few million years ago, giant pandas were too. For some reason that we are still unsure of, ...

Brown rat or water vole: How to tell the difference between these two lookalike-rodents ...