Asian elephant Mali gives birth to twins at Rosamond Gifford Zoo in Syracuse New York

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The first calf was born on October 24 at 2 a.m. weighing 220 pounds

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The second calf was born 10 hours later, weighing 237 pounds, and was weaker than the first

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Zoo staff significantly improved the condition of the calf

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Mali's placenta was taken to Baylor University for elephant research

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Now the number of Asian elephants in the zoo is 8

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Asian elephant is an endangered species

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Twin elephants occur in less than 1% of elephant births worldwide

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There has never been a successful twin birth in the US before

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The few successful twin births that have happened have happened only in Asia and Africa

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