Original sentence: 1947 or c.1951 —  June 21, 2007) was a 7,800 pound Asian elephant (Elephas maximus) on exhibit at the Birmingham Zoo in Birmingham, Alabama (USA).According to zoo officials, she was born in the wild around 1947.An entry in the American Zoological Association's stud book gives an approximate birth year of 1951.Mona's age was contested.The average life span of female Asian elephants, in both wild and captivity, is about 45 years
Edited sentence: 1947 —  June 21, 2007) was a 7,800 pound Asian elephant (Elephas maximus) on exhibit at the Birmingham Zoo in Birmingham, Alabama (USA).According to the AZA's studbook, Mona was wild-born in 1951.Asian elephants in the wild have a life.The average life span of female Asian elephants, in captivity, is about 45 years.expectancy of 70 years