Virginia Opossum

Didelphis virginiana

Summary 6

The Virginia opossum (Didelphis virginiana), commonly known as the North American opossum, is a marsupial found in North America. It is the only marsupial found north of Mexico. In the United States, it is typically referred to simply as a possum. It is a solitary and nocturnal animal about the size of a domestic cat. It is a successful opportunist. It is familiar to many North Americans as it is often seen near towns, rummaging through...

Description 7

"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

  1. (c) Richard Barnes, some rights reserved (CC BY-NC), uploaded by Richard Barnes
  2. (c) Joe MacIndewar, some rights reserved (CC BY-NC), uploaded by Joe MacIndewar
  3. (c) Eric Isley, some rights reserved (CC BY-NC), uploaded by Eric Isley
  4. (c) 2010 Bill Stagnaro, some rights reserved (CC BY-SA), http://calphotos.berkeley.edu/cgi/img_query?seq_num=317501&one=T
  5. (c) 2010 Bill Stagnaro, some rights reserved (CC BY-SA), http://calphotos.berkeley.edu/cgi/img_query?seq_num=317502&one=T
  6. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Didelphis_virginiana
  7. (c) Smithsonian Institution, some rights reserved (CC BY), http://eol.org/data_objects/16146834

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