The seahorse is the only fish to have a neck.
12
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).
12
The most expensive cow in the world was sold in 2009 for $1.2 million.
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When cats are happy, they may squeeze their eyes shut.
10
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
When you shave a guinea pig it looks like a little hippo.
19
The colossal squid has the largest eyes in the world.
4