An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Parrot parents "name" their children with a signature call.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
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
The reindeer is the only mammal that can see UV light.
17