Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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