A hippo can open its mouth wide enough to fit a 4 foot tall child inside!
23
Large kangaroos can cover more than 30 feet with each jump!
19
Crocodile babies don't have sex chromosomes; the temperature at which the egg develops determines gender.
45
Rats can tell the difference between two human languages.
49
World's heaviest primates: morbidly obese humans. After that: gorillas at 485 lbs.
106
There are some species of snails that are extremely venomous.
72
Sheep can recognize other sheep from pictures!
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