True or false? Take our quiz and test your knowledge on bizarre beasts, great and small, from around the world.
From the eider ducks of Iceland to the skulls of African elephants, we've trawled the wild world to bring you the most testing questions and fascinating facts.
As spring approaches, British wildlife is waking up once more. Brush away the cobwebs and spring-clean your brain with this quiz on our native wildlife.
Think you know the wildlife in your garden? Our questions will put your knowledge to the test!
Discover more about this extraordinary underwater ecosystem and test your knowledge on coral reef life.
Fancy yourself as the next David Attenborough? Take our quiz based on the BBC series Frozen Planet and test your polar knowledge.
What is the strongest creature relative to its body size?
Think you know the answers? Pit your wits against our latest quiz to find out.