The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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When cats are happy, they may squeeze their eyes shut.
10
Rattlesnake mating sessions have been known to last more than 22 hours.
232
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
In Australia, there are spiders big enough to eat snakes.
20