[count-your-change]

Even later studies by distinguished scholars at prominent universities have determined that the Neanderthal built rudimentary gliders and flew from island to island.

But these went extinct when they became known as NeanderFALLS.

[RavenLooneyToon]

Adding to the doldrums of unreliable flight, was back then, acquiring insurance was a very complicated process, few cavemen, if any, could do it.