Any of various small arboreal marsupials of the family Phalangeridae, of Australia and adjacent islands, having a long tail and dense woolly fur and including the cuscus and the flying phalanger.

袋貂中一种栖于树上小型有袋动物，生长澳大利亚及其毗临岛屿上，有长尾和浓密，包括袋猴和飞行袋貂。

Squirrels are arboreal creatures.

松鼠是栖于树上动物。