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.
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Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
A group of kittens is called a "kindle".
10