When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Bats sleep 18-20 hours per day.
5
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11