Re: Did dinosaur wings evolve for breeding display?/Longisquama

["David Marjanovic" <david.marjanovic@gmx.at>]

> However, if the pre-flight stages (by which I mean pre-powered-flight 
> stages) had a significant arboreal contribution ("trees-down"), and the 
> pre-flight wings used for parachuting or gliding, then the wings might 
> have been already quite large long before the advent of flight.  It all 
> depends on how much "trees-down" or "ground-up" is in your hypothetical 
> scenario.

Not at all. If wings evolved for brooding and/or display, they may have got 
large enough for flight before flight itself evolved, and that even under a 
pure ground-up scenario.