Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Parrot parents "name" their children with a signature call.
112
Only 3% of bird species have penises.
0
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
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
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Gorillas can catch human colds and other illnesses.
205