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Besides the large size, other key features distinguishing phalangerids from other possums include the presence of bare skin on at least part of the tail, and low-crowned molar teeth. They have claws on the fore feet, but none on the hind feet, although these do have an opposable first toe to help grip onto branches.
To enable them to digest this tough and fibrous food, they have an enlarged cecum containing fermenting bacteria, and, like rabbits, they are coprophagous, passing food through their digestive tracts twice.
The common ringtail possum weighs between 550 and 1,100 g (19 and 39 oz) and is approximately 30–35 cm (12–14 in) cm long when grown (excluding the tail, which is roughly the same length again). It has grey or black fur with white patches behind the eyes and usually a cream-coloured belly.
The common brushtail possum (Trichosurus vulpecula, from the Greek for "furry tailed" and the Latin for "little fox", previously in the genus Phalangista [4]) is a nocturnal, semiarboreal marsupial of the family Phalangeridae, native to Australia and invasive in New Zealand, and the second-largest of the possums.
Habitat and dietary requirements of both the mountain brushtail possum and the short-eared possum are reported to be more specialised than those of their close relative the common brushtail possum, T. vulpecula. [10] As a result, the common brushtail possum has been able to colonise a greater variety of habitats than either of its bobuck relatives.
The common opossum (Didelphis marsupialis), also called the southern or black-eared opossum [2] or gambá, and sometimes called a possum, is a marsupial species living from the northeast of Mexico to Bolivia (reaching the coast of the South Pacific Ocean to the central coast of Peru), including Trinidad and Tobago and the Windwards in the Caribbean, [2] where it is called manicou. [3]
The dark blue, teal, and gold tapetum lucidum from the eye of a cow Retina of a mongrel dog with strong tapetal reflex. The tapetum lucidum (Latin for 'bright tapestry, coverlet'; / t ə ˈ p iː t əm ˈ l uː s ɪ d əm / tə-PEE-təm LOO-sih-dəm; pl.: tapeta lucida) [1] is a layer of tissue in the eye of many vertebrates and some other animals.
The rock-haunting ringtail possum (Petropseudes dahli), also known as the rock ringtail possum, is a species of Australian possum. It is found in rocky escarpments in the Kimberley , Arnhem Land and Gulf of Carpentaria across Western Australia and Northern Territory and just passing the Queensland border.