Only 3% of bird species have penises.
0
Giant Anteaters' front legs look like a panda.
48
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
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
In Australia, there are spiders big enough to eat snakes.
20