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 have the longest gestation period of all mammals. These gentle giants' pregnancies last for more than a year and a half. The average gestation period of an elephant is about 640 to 660 days, or roughly 95 weeks.By comparison, a human pregnancy lasts an average of 280 days, or 40 weeks.Female elephants live for 60 to 70 years, but only have about four offspring throughout their lifetime. Although elephants usually only carry one baby at a time, one to two percent of elephant births produce twins.y comparison, a human pregnancy lasts an average of 280 days, or 40 weeks. Female elephants live for 60 to 70 years, but only have about four offspring throughout their lifetime. Although elephants usually only carry one baby at a time, one to two percent of elephant births produce twins.