There are approximately three chickens for every human on Earth.
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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
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
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
The reindeer is the only mammal that can see UV light.
17