Males deliver their sperm with a penis-like anal fin, which cannot be retracted. Well-endowed males are more likely to ...

Consider elephant tusks, elk antlers, rhino horns or the curved canines of the extinct sabre-toothed cat… these weapons may be enormous, but, proportionally, it’s the male fiddler crab that owns the ...

Lauren Owens Lambert is a conservation photographer, with a focus on documenting the human aspect of conservation and climate change. She has also presented work at the UN on the importance of visual ...

The Apennines are a rugged chain of mountains stretching down the spine of Italy, with deep forests roamed by wolves and ...

After examining the fossils, scientists think the huge prehistoric predator would have measured up to eight metres in length ...

This ground-loving species flies only sparingly, except when on migration or during courtship, and does not usually wade.

Seals’ bodies are exquisitely adapted for their marine environment – one such adaptation is how they restrict the blood ...