No new animals have been domesticated in the last 4,000 years. Native Japanese speakers are able to learn Spanish much more easily than they can learn English. Reindeer's milk contains more fat than cow's milk. In the Indian Ocean, elephants have been found swimming miles from the shore. Humming birds are the only animals which can fly backwards.
Cats can make over a hundred vocal sounds, while dogs can only make about ten.
The ball on top of a flagpole is called a 'truck'. Cats' jaws can't move sideways. Shirley Temple always had precisely 56 curls in her hair. Vincent Van Gogh only sold one painting while he was alive, Red Vineyard at Arles. Elephants can be pregnant for as long as two years.