Virginia opossum
Didelphis virginiana
Summary 4
The Virginia opossum (Didelphis virginiana), commonly known as the North American opossum, is the only marsupial found in North America north of Mexico. In the United States it is typically referred to simply as a possum. A solitary and nocturnal animal about the size of a domestic cat, and thus the largest opossum, it is a successful opportunist. It is familiar to many North Americans as it is often seen near towns, rummaging through garbage cans,...
Description 5
"The Virginia Opossum, the only marsupial found north of Mexico, is an adaptable omnivore at home on the ground and in the trees. Opossums prefer forested habitats, but they are quite successful even in urban areas. They are active at night, year-round: in freezing weather, an unlucky opossum can lose its ear-tips and the end of its tail to frostbite. Like all marsupials, opossums give birth to tiny, undeveloped young. The embryos develop in the mother's womb for less than two weeks, then the newborn opossums crawl from the birth canal to the mother's pouch, where they fasten tight to a nipple. They stay there, attached to the nipple, for 55 or 60 days. A female opossum usually has 13 nipples, and litters are usually smaller than that, but a baby that cannot attach to a nipple dies. After about 60 days the young opossums leave the pouch, but they stay close to their mother—sometimes riding on her back when they are out at night—and nurse for another month or more."
Links:
Mammal Species of the World
Click here for The American Society of Mammalogists species account
Sources and Credits
- (c) Jessie Hirsch, some rights reserved (CC BY), http://www.flickr.com/photos/31329193@N00/2483691463
- (c) 1999 California Academy of Sciences, some rights reserved (CC BY-NC-SA), http://calphotos.berkeley.edu/cgi/img_query?seq_num=1167&one=T
- (c) carolcummings, some rights reserved (CC BY-NC), uploaded by carolcummings
- (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Didelphis_virginiana
- (c) Smithsonian Institution, some rights reserved (CC BY), http://eol.org/data_objects/16146834
