Only 3% of bird species have penises.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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Dogs sometimes fake being sick to get attention.
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The elephant brain weighs about 6,000g.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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The colossal squid has the largest eyes in the world.
4
Alligators can live up to 100 years.
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The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
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