Denmark has twice as many pigs as there are people.
66
When dragonflies mate, their tails form a love heart.
22
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
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
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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A group of kittens is called a "kindle".
10