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Re: Question: Why did birds lose their teeth?
Dann Pigdon <firstname.lastname@example.org> wrote:
> If the presence of manual claws wasn't actively maladaptive for the degree of
> flight capable at the
> time, there may simply have been no strong selective pressure to lose them.
> It may not have been
> until much later in avian evolution when flight capabilities were improved in
> general that
> suppressing the development of manual claws would have made a recognisable
> difference to flight
> efficiency, and thus became a trait that was positively selected for.
Yes, I agree. And to add to that, loss of manual unguals might have
been tied to fusion of the manual digits (a feature linked to improved