Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
When cats are happy, they may squeeze their eyes shut.
10
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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