Only 3% of bird species have penises.
0
Hummingbirds can weigh less than a penny!
12
Most elephants weigh less than a blue whale's tongue.
442
Spiders have transparent blood.
56
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
It's possible to lead a cow upstairs, but not downstairs.
50
Giant Anteaters' front legs look like a panda.
48
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492