Mike Collins is a trustee at Bath City Farm. He has worked in nature communications for more than 10 years and is a volunteer with his local toad patrol group.

All you need to know about chimpanzees - our closest relative - including where they live, what they eat, and how they use tools ...

When is Planet Earth: A Celebration on TV?

It's tiny, covered in hair, and has spines filled with venom potent enough to cause long-lasting, painful, effects, like muscle spasms, in humans ...

Matt Morgan is an intensive care medicine consultant at the University Hospital of Wales. His latest book, One Medicine, is published by Simon and Schuster.