The most expensive cow in the world was sold in 2009 for $1.2 million.
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Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Sheep, goats, octopuses, and toads have rectangular pupils.
7
When dragonflies mate, their tails form a love heart.
22
When cats are happy, they may squeeze their eyes shut.
10
Cats sleep for 70% of their lives.
8