Flying phalanger and Opossum

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

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

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

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