Organism

Sugar Glider

TL;DR

Marsupial with gliding membranes between limbs, convergent with the placental flying squirrel.

Petaurus breviceps

Mammal

Marsupial with gliding membranes between limbs, convergent with the placental flying squirrel. Both independently evolved similar arboreal gliding adaptations despite 160 million years of separate evolution.

Related Mechanisms for Sugar Glider