animal gestation longevity baboon bear, black bear, grizzly bear, polar beaver buffalo camel cat chimpanze chipmunk COW deer dog donkey elephant elk fox giraffe goat gorilla guinea pig hippopotam horse kangaroo leopard lion monkey moose mouse opossum pig puma rabbit rhinoceros sea lion sheep squirrel tiger wolf zebra 187 219 225 240 122 278 406 63 231 31 284 201 61 365 645 250 52 425 151 257 68 238 330 42 98 100 164 240 21 15 112 90 31 450 350 154 44 105 63 365 20 18 25 20 5 15 12 12 20 6 15 8 12 12 40 15 7 10 8 20 4 25 20 7 2552 12 15 15 12 3 1 10 12 5 15 12 12 10 16 5 15

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