Flying phalanger and Possum

Flying phalanger noun - Nocturnal phalangers that move with gliding leaps using parachute-like folds of skin along the sides of the body.

Possum and flying phalanger are semantically related. In some cases you can use "Possum" instead a noun phrase "Flying phalanger".

Possum noun - Nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America.

Flying phalanger and possum are semantically related. Sometimes you can replace phrase "Flying phalanger" with "Possum", this terms are similar.