Elephants are among the smartest, largest animals on the planet. With all that size and brain power, it should come as no surprise that making a baby elephant is no easy task. In fact, elephants have ...

The gestational length of cows is commonly believed to be 283 days. The topic of gestation length often comes up among cattle breeders during calving season. These conversations often pertain to ...

Which group of mammals has the more 'primitive' reproductive strategy -- marsupials, with their short gestation periods, or humans and other placental mammals, which have long gestation periods? For ...

Discover animals with the longest gestation periods, including elephants, sperm whales, rhinoceroses and walruses. Learn why ...

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