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Re: Re[2]: Bird nests

In a message dated 95-12-07 20:55:37 EST, ornstn@inforamp.net (Ronald
Orenstein) writes:

>The moral may be that we should not always assume that an arboreal species
>will do everything in trees.

And this may be one reason for the development of secondary cursoriality by
some descendants of arboreal archosaurs.