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Giraffes’ tongues grow up to 21 inches (53 cm) in length.
Human pollution has caused the average length of polar bears’ penises to shrink.
The smallest living dog in terms of length is a chihuahua who measured 15.2 cm (6 in).
Giant anteaters do not have teeth; instead, they have tongues reaching as much as 610 mm (2 ft.) in length.
The flea can jump 350 times its body length.
The average length of an orgasm for a pig is 30 minutes.
A flea can jump 200 times the length of its own body. This is equivalent to a person jumping almost a quarter of a mile.
When cheetahs are running full speed, their stride (length between steps) is 6-7 meters (21 feet). Their feet only touch the ground twice during each stride.