A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
One in three dog owners say they have talked to their pets on the phone.
427
Early American humans hunted car-size armadillos and used their shells for houses.
12
The cat brain weighs about 30g.
167
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250