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Re: Feather Flap

----- Original Message ----- From: "David Marjanovic" <david.marjanovic@gmx.at>
To: "DML" <dinosaur@usc.edu>
Sent: Tuesday, June 05, 2007 4:38 AM
Subject: Re: Feather Flap

but I don't see any reason to assume that you have to be specialized
for arboreality in order to be an effective glider.

No, but if you're not already arboreal, what point is there in gliding?

A lot. There are several uses for gliding ability that can be handy on or near the ground.

This is not true for all arboreal gliders. Some gliding amphibians have flaps on the distal limbs, such as "flying frogs" (_Rhacophorus_ spp.) which have huge webbed feet for gliding.


Parachuting can eventually lead to gliding, though it may not be the most efficient way to get there.

The "flying geckoes" (_Ptychozoon_ spp.)
have gliding surfaces on the abdomen and feet that are not confluent.

Parachuting again.

See above.