It is designed to mimic the properties of bat wings. The wings are made of a paper-thin rubber membrane, allowing it to stretch and retract based on wind currents. Produced by Claudia Romeo More ...
"We initially expected to confirm that bat evolution is similar to that of ... and hindlimbs did not evolve independently: ...
Medellín gently stretched out one of her wings and pointed to the bat’s thumb, which curved out from the edge. It was armed with a pronounced claw, shaped like a saber and just as sharp.
Consider the case of the nectar-drinking bat and the night-flowering vine whose ... Below the beacon petal, two tiny side petals wing apart, revealing a crack at the top of the pea pod.