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Re: Avian flight stroke origin

On 8/13/2011 12:00 PM, Jason Brougham wrote:

That may be, but Greg Paul never actually depicted Archaeopteryx climbing
like a Hoatzin, did he? When he depicts Archaeopteryx in a tree, like in
Figure 9-3, page 212, of Predatory dinosaurs of the World, he shows it
standing on a  limb like a Chachalaca, and I think this is a conservative
depiction that stands up to everything we've learned about Archaeopteryx

Also -- cycads like Sago Palms appear to be both easy to climb and easy to stay in once climbed -- maybe all trees do not require noticeably specialized feet.