Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The most expensive cow in the world was sold in 2009 for $1.2 million.
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Dogs sometimes fake being sick to get attention.
26
A domestic cat can sprint at about 31 miles per hour.
274
The colossal squid has the largest eyes in the world.
4