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.
http://wiki.answers.com/Q/How_long_is_a_black_rhino_pregnant_for. A Black Rhino is pregnant usually between 419 and 478 days, or 15 to 16 months. The mother will give birth to a single calf, weighing in on average 35 to 50 kg, (about 80 pounds). The calf will stay with it's mother anywhere from 2 to 3 yea...