Re: An alternative to ST and AAT

Robert Gotschall (
Tue, 05 Nov 1996 20:34:03 -0800

Thomas Clarke wrote:

> H.s and preceeding hominids and australopithecenes are the only
> animals ever to "walk like a man". [at least I know of no others]
> There are lots of saltative bipeds in Australia.
> There were lots of bipedal (tripedal?) dinosaurs.
> But only one who walks like a man.
> Does this not suggest the possibility of special evolutionary
> circumstances? If the circumstances were not special then why
> are there not lots of animals that walk like a man?

One special evolutionary circumstance could be that of all the
terrestrial bipeds mentioned, humans are the only ones with primate