Pasadena is the ninth-largest city in Los Angeles County. Pasadena was incorporated on June 19, 1886, becoming only the second city to be incorporated in what is now Los Angeles County, after Los Angeles (April 4, 1850). It is one of the primary cultural centers of the San Gabriel Valley.
After a gestational period of 21 to 22 months, the cow gives birth, usually to one calf. http://schoolweb.missouri.edu/ashland.k1... The elephant's gestation period is 22 months, the longest of any land animal. http://en.wikipedia.org/wiki/Elephant. Lissacal Â· 9 years ago. Thumbs up.
The mystery of the elephant's long pregnancy has been unravelled by scientists. A quirk of biology allows the unborn calf to develop in the womb for almost two years, giving it the brain power it needs to survive from birth. The research, detailed in Proceedings of the Royal Society B, will help elephant breeding programmes in zoos.