Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Alligators can live up to 100 years.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11