Gorillas can catch human colds and other illnesses.
205
Dogs sometimes fake being sick to get attention.
26
Cats recognise the voice of their owner, but never evolved to care.
22
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
One in three dog owners say they have talked to their pets on the phone.
427
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
The Basenji dog is the only dog that is not able to bark.
4