Mammals are the only animals who produce milk to feed their young.
Reptiles are mostly cold-blooded animals with dry, scaly skin.
Not all birds can fly but all have feathers and can lay eggs.
Invertebrates are some of the most complex and ancient animals on the planet.
These fascinating creatures have been around since the late Jurassic Period.
Travel the world and witness some astonishing sites, sounds and cultural wonders.
Reaching towards the sky, mountains are the result of tectonic shifting and erosion.
Behind the scenes of the spectacular human-story documentary series Human Planet.
Join in with our caption game and post your funny comments below our photos.
Eden is the home of the very best natural history programming. We love our wildlife!
Watch clips from some of Eden's programmes.
On-air promo trailers showcasing Eden's brilliant programming.
Take a look behind the scenes on some our fantastic programmes.
We talk to some of your favourite wildlife and science personalities.
Photo galleries from our wildlife, science, travel and adventure programmes.
Greg Foot answers some of the most bizarre science questions, like why is chilli hot?