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.
Elephants has the longest pregnancy about 22 months. The shortest is 12 days. (Didelphis marsupialis); the rare water opossum, or yapok (Chironectes minimus) of northern South America and the eastern native cat (Dasyurus viverrinus) of Australia. All three of these marsupials give birth to their young while they are still at the embryonic stage.