The secretary bird: elegant but deadly
It can fly. But when it hunts, it prefers to walk – sometimes 30 km a day. Meet the secretary bird.
And even more
The quokka is the only land mammal living on this island
This squirrel's fur is fluorescent under ultraviolet light
How do giraffes fight?
Birds are shrinking in size because of global warming
Doñana National Park's unique ecosystem is shrinking
How ctenophoras produce rainbow light