[grey_whiskers]

Meanwhile, once again, dumb as dirt, you show up claiming a grasping forelimb "can't" become a wing because the in-between thing is supposedly bound to be useless.

Cheer up and read the humor book Science Made Stupid by Tom Weller. The hypertext is an abridged presentation...

The quote I was thinking of is unfortunately not in the link. It shows a partially evolved flying reptile with only one wing--which conferred the survival advantage of being able to pursue its prey around tree trunks in the dense Metatarsal forests. [Yeah, yeah, "Metatarsal" ; the book also classifies "Ignominious," "Metaphoric," and "Sedentary" rocks... :-) ]

Cheers!

[csense]

"Cheer up and read the humor book Science Made Stupid by Tom Weller..."

...That site is hilarious. Never fails, whenever I go there, I leave in tears, I laugh so hard.