Specimen of the Week 218: The Sugar Glider
By Jack Ashby, on 14 December 2015
Climbing up things can be challenging, be it hills, cliffs, trees or stairs. Climbing down, however is arguably far more difficult – your eyes are further from your hand-and foot-holds, your body is pointed in the wrong direction and gravity combines with momentum to pull you down faster than you’d like.
Due* to the many drawbacks of climbing downwards, gliding has evolved many times in the animal kingdom – there are many species which have flaps of skin which form parachutes to slow their descent. Their names often contain the word “flying”, but true flight requires flapping wings. This post is not about flying lemurs, flying frogs, flying dragons, flying snakes, the four-winged dinosaur Microraptor, or even flying squirrels. This week’s Specimen of the Week is the far more accurately named… (more…)