Dogs sometimes fake being sick to get attention.
26
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Condoms were originally made of animal intestines or linen.
347
Gorillas can catch human colds and other illnesses.
205
A dairy cow can produce more milk when listening to music.
446
The octopus does not have a blind spot.
273