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

Credit by: People.com

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

Credit by: CNN

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

Credit by: CNN

Zoo staff significantly improved the condition of the calf

Credit by: WTHR

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

Credit by: LocalSYR.com

Now the number of Asian elephants in the zoo is 8

Credit by: YouTube

Asian elephant is an endangered species

Credit by: World Wildlife Fund

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

Credit by: Yahoo News

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

Credit by: Forth Worth Star-Telegram

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

Credit by: saveelephant.org