Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Dogs sometimes fake being sick to get attention.
26
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
Cats recognise the voice of their owner, but never evolved to care.
22
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
In 1949, an official boxing match between a bear and a man was held. The bear won.
41