Only 3% of bird species have penises.
0
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
A 42-foot sperm whale has about 7 tons of oil in it.
209
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