Sloths take two weeks to digest their food.
243
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
The elephant brain weighs about 6,000g.
274
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
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Cats recognise the voice of their owner, but never evolved to care.
22
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268