Sloths take two weeks to digest their food.
243
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Squirrels forget where they hide about half of their nuts.
698
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11