The most yolks ever found in one chicken egg was nine.
163
A cow gives nearly 200,000 glasses of milk in her lifetime.
33
A male baboon can kill a leopard.
38
On average, there's 300 billion neurons in the octopus brain.
129
The Basenji dog is the only dog that is not able to bark.
4
The world's oldest crow was 59 years old. Its name was Tataji.
215