Shared ancestries
Exhibits at the Natural History Museum in Tring reveal a striking shared ancestry between the hippo and the dolphin.
Birds and breeding
Darwin's study of the bizarre results of artificial breeding of pigeons shed light on evolutionary processes.
Dogs and breeding
Dogs used to be bred for their ability to help humans. Now selective breeding accentuates physical features at the expense of ability to survive in th...
Sparrows and breeding
How differences in 'badge' sizes between males relates to success at finding food and rearing young.