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, any of the numerous and varied marsupials, or pouched mammals, of the family Phalangeridae, found in Australia, New Guinea, and adjacent islands. Many are somewhat like squirrels in appearance.
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any one mammal of the genus Phalanger of the family Phalangeridae. The body is 30–65 cm long, the tail, 25–60 cm. The coloring varies from white and gray to reddish brown and black. There are seven species, which are distributed in Australia (Cape York) and on New Guinea and neighboring islands west to Sulawesi. Cuscuses are arboreal animals, and they move slowly. They use their sharp claws and muscular, prehensile tails for climbing. They are nocturnal, sleeping in the daytime in dense tree crowns or tree hollows. Cuscuses feed on fruits and leaves as well as insects, birds, and birds’ eggs. There are one or two young in a litter.