Parrot parents "name" their children with a signature call.
112
The elephant brain weighs about 6,000g.
274
Cats and dogs can hear ultrasound.
350
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10