Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The most expensive cow in the world was sold in 2009 for $1.2 million.
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Nicole Kidman is scared of butterflies.
65
A cat can jump FIVE TIMES as high as it is tall!
371
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13