When cats are happy, they may squeeze their eyes shut.
10
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
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
The head of a jellyfish is called the "Bell."
6
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Lobsters have blue blood.
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