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Re: ptero endothermy

David Peters wrote:
> Longer ilia means larger thigh muscles. Big thigh muscles are used
> aerobically in dinosaurs -- burning more oxygen, which creates heat,
> yada yada. Endothermy. (How bad did I botch that scenario?)

Longer ilia can also mean more area to help accept the wingroot loads
into the torso.
> Pterosaurs had big ilia and big thighs before they had wings 

I didn't realize any pterosaurs without wings were presently known in
the fossil record.