A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
One in three dog owners say they have talked to their pets on the phone.
427
A domestic cat can sprint at about 31 miles per hour.
274
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
There are approximately three chickens for every human on Earth.
13