8 month old Opossum is on a moss covered log. He is at a wildlife rehab center imprinted on people and unable to be released.
Opossums (Didelphimorphia, /daɪˌdɛlfɨˈmɔrfiə/) make up the largest order of marsupials in the Western Hemisphere, including 103 or more species in 19 genera. They are also commonly called possums, though that term technically refers to Australian fauna of the suborder Phalangeriformes. The Virginia opossum was the first animal to be named an opossum; usage of the name was published in 1610. The word opossum comes from the Proto-Algonquian aposoum, pronounced *wa˙p- aʔθemw, meaning "white dog" or "white beast/ animal". Opossums probably diverged from the basic South American marsupials in the late Cretaceous or early Paleocene. Their unspecialized biology, flexible diet and reproductive strategy make them successful colonizers and survivors in diverse locations and conditions Didelphimorphs are small to medium-sized marsupials, with the largest just exceeding the size of a large house cat, and the smallest the size of a small mouse. They tend to be semi-arboreal omnivores, although there are many exceptions. Most members of this taxon have long snouts, a narrow braincase, and a prominent sagittal crest. The dental formula is: . By mammalian standards, this is a very full jaw. The incisors are very small, the canines large, and the molars are tricuspid. Didelphimorphs have a plantigrade stance (feet flat on the ground) and the hind feet have an opposable digit with no claw. Like some New World monkeys, opossums have prehensile tails. Like all marsupials, the fur consists of awn hair only, and the females have a pouch. The tail and parts of the feet bear scutes. The stomach is simple, with a small cecum. Opossums have a remarkably robust immune system, and show partial or total immunity to the venom of rattlesnakes, cottonmouths, and other pit vipers. Opossums are about eight times less likely to carry rabies than wild dogs, and about one in eight hundred opossums are infected with this virus.
Size: 3648px × 2736px
Location: Howell, Michigan, USA
Photo credit: © Cynthia Lindow / Alamy / Afripics
License: Royalty Free
Model Released: No
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