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arina223 > albums > One day at the Zoo - Mammals II

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Females (cows) reach sexual maturity at around 9-12 years of age and become pregnant for the first time, on average, around age 13. They can reproduce until ages 55-60. Females give birth at intervals of about every 5 years. An elephant's gestation period lasts about 22 months (630-660 days), the longest gestation period of any mammal, after which one calf typically is born. Twins are rare.

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  • How lovely - they have a herd!

    said photo of veralebail veralebail 2007.08.16 at 04:24:23 PDT

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