Fish sometimes open their mouths, but is it yawning?
Are there any two-timers in the animal kingdom?
How common is conflict with love rivals in the animal kingdom?
Do all animals sleep? And do any plants or bacteria?
How do eels get their shocking abilities?
Biggest is not always best...
Why do herbivores have such diverse poos?
If cats can't see red light, why do they chase lasers so much?
Which animal would come out of the ring alive?
Is the blue whale really the longest animal?
The taste of milk can change depending on what the cow's eaten. But is this enough to taste like strawberries?
Could your dog be fooled by fake pills? To find out Laura Brooks asked Eleanor Drinkwater, animal behaviour researcher...