When you shave a guinea pig it looks like a little hippo.
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Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
When dragonflies mate, their tails form a love heart.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20