[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: Just this n that

> << Birds seem to be unique among
>  vertebrate flyers and gliders in that there is no evidence of a typical
>  flat-bodied gliding stage in their evolution. >>
> The retroverted pubis of dromaeosaurids can be considered evidence of such a
> stage.

I don't think dromosaurids are as flat-bodied as what Tom is referring
I think he's thinking of animals that are more parallel to the ground
(and thus having a body in a plane to glide in naturally) than any
bipedal dinosaur OR bird has been.
           Betty Cunningham  
the reply-to in this e-mail is a spam trap
mail e-mail replies to bettyc@flyinggoat.com