Virginia opossum
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The Virginia opossum, also known as the North American opossum, is a member of the opossum family found from southern Canada to northern Costa Rica, making it the northernmost marsupial in the world.
Opossum 2
Skull of a Virginia opossum
The back foot has an opposable "thumb".
Opossum tracks (photo center) in mud: Left-fore print appears on left center of photo, right-hind print appears right center. The small, circular tracks at bottom center of photo were made by a meadow vole. The yellow ruler (top) is in inches.
Marsupial
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Marsupials are a diverse group of mammals belonging to the infraclass Marsupialia. They are natively found in Australasia, Wallacea, and the Americas. One of marsupials' unique features is their repro
Virginia opossum
…known as the North American opossum, is a member of the opossum family found from southern Canada to northern Costa Rica, making it the northernmost marsupial in the world. Commonly referred to simply as the possum, it is a solitary nocturnal animal about the size of a domestic cat, and a successful opportunist…
Marsupialia
Koala (Phascolarctos cinereus)
Female eastern grey kangaroo with a joey in her pouch
Reproductive tract of a male macropod