Rattlesnake mating sessions have been known to last more than 22 hours.
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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
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
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The octopus does not have a blind spot.
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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9