Animal kingdom
From single-celled organisms to the giants of the plains. Sample some of our creature features:
![Egret [Image: Mike Dodd Photography]](32746/egret_progfront_2467.jpg)
Cold-blooded trade
Creatures are on the move, find out more in global exploitation and reptile trade.
Rhythms under pressure
Difficult to predict, but likely to be profound: what will happen to lifecycles after climate change?
Open mouths
Explore the place where fresh water meets the sea and discover the variety of estuary life.
A taste of Darwin
He wasn't just a scientist; Darwin's place in history was assured by his writing. Sample a piece of his writing on natural selection.
The unseated giants
Once, they ruled the planet - then their reign ended abruptly, mysteriously. Join the dinosaurs at the end of life.
Human help...or hinderance?
Are animals thriving in our urban waste or disappearing off the face of the earth? Trace human impacts on the lives of animals.
Succeed or...die
In a world where siblings and even parents kill new borns. find out about the real and sometimes terrifying world of natural selection and evolution.
Raising the brood
Gibbons are monogamous, gorillas are polygamous, while elephants display family life. Take a closer look at the animal world's interactions between parents and infants.
Under wood
The invertebrates you'll find if you lift a chunk of wood play a vital part in the ecosystem. Explore the magic of log life.
Learning to fly
The science which keeps life aloft is complex - but fascinating. Discover how invertebrates achieve mastery of the air.
An underground movement
Developing beneath the soil and then bursting forth in massive numbers - solve the mystery of the cycling cicada.
'And then they bite you...'
Ellen starts her mosquito farm - and then explains to Kate what she intends to do with them. It's all in the call of the wild video extra.
Look under water
See the bits of seabed filming they couldn't fit in the programme with the shipwrecked video extra.
Horse sense
Paul Ryder-Davis sketches the history of the Suffolk Punch, and explains why it is important to preserve rare breeds in the history of the Suffolk horse.
Meet the invaders
Have you seen an invader today? You've probably walked past several without even realising it. Everywhere you look, there are invaders.
Getting the sounds
With so much natural communication taking place out of our hearing range, how do we listen in?
Out of range
Our ears - acute though they are - can't begin to catch all the sounds of the natural world. What do humans miss?
What are you saying?
Animals make sounds: hooting, croaking, bleating, chirruping. But why all the noise?
