The family Phalangeridae comprises a group of marsupial mammals commonly known as cuscuses, brushtail possums, and related species, primarily found in Australia, New Guinea, and nearby islands. Members of this family are generally arboreal and nocturnal, with adaptations such as prehensile tails and strong limbs for climbing. They are omnivorous, feeding on leaves, fruits, flowers, and sometimes small animals. Phalangerids exhibit marsupial reproduction, with females possessing a well-developed pouch for carrying and nurturing their young. This family is ecologically significant for seed dispersal and maintaining forest ecosystems, and some species are threatened by habitat loss and hunting.