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The nine species in the genus Philander, commonly known as gray and black four-eyed opossums, are members of the order Didelphimorphia. Mature females have a well-developed marsupium . The tail appears to be hairless except for the proximal (closest to the body) 5 or 6 cm, which has a few long hairs.
The gray four-eyed opossum has an omnivorous diet containing fruits, nectar, insects, small mammals (such as mice), birds, reptiles, amphibians, crustaceans, snails, and earthworms. [6] Its diet varies depending on the season. [6] With such a varied diet, the gray four-eyed opossum will both encounter and eat venomous snakes.
Although this species was initially described as a valid species, it was considered a subspecies of the gray four-eyed opossum until 2018. [2] Some sources, such as the American Society of Mammalogists, consider Philander mondolfii and Philander olrogi to be junior synonyms of this species. [3] [2] It is not recognized by the IUCN.
Virginia opossum (Didelphis virginiana). Didelphimorphia is an order of marsupial mammals.Members of this order are called didelphimorphs, or opossums.They are primarily found in South America, though some are found in Central America and Mexico and one, the Virginia opossum, ranges into the United States and Canada.
The Pebas four-eyed opossum was described in 2018 by Robert S. Voss, Juan F. Díaz-Nieto, and Sharon Jansa. Specimens of this species had previously been collected, but considered to be synonymous with the southern four-eyed opossum, the gray four-eyed opossum, or the common four-eyed opossum, [1] with the lattermost being the sister species to P. pebas based on analysis of the cytochrome b. [2]
Gray short-tailed opossums are relatively small animals, with a superficial resemblance to voles.In the wild they have head-body length of 12 to 18 cm (4.7 to 7.1 in) and weigh 58 to 95 grams (2.0 to 3.4 oz); males are larger than females. [5]
A northern four-eyed opossum from Coatzacoalcos, Veracruz, Mexico. These species are relatively light-furred for a Philander, with gray colors throughout the back, neck, base of the tail, and outer side of the limbs. The head can have some gray colors but tends to be darker, closer to black.
Didelphimorphia is the order of common opossums of the Western Hemisphere. Opossums probably diverged from the basic South American marsupials in the late Cretaceous or early Paleocene. They are small to medium-sized marsupials, about the size of a large house cat, with a long snout and prehensile tail. Family: Didelphidae (American opossums)