Re: Origin of Birds-arboreal biped

["T. Mike Keesey" <tkeese1@gl.umbc.edu>]

On Tue, 16 Dec 1997, Stanley Friesen wrote:

> Do tell.  _Peromyscus leucopus_ runs up trees without even slowing down.
> And I believe I have seen it meadow relative, _Peromyscus maniculatus_
> actually climb *grass*.  (Big Bluestem is quite a robust grass).
> 
> Looking at the reconstruction of _Scleromochlus_, and knowing that it is
> mouse-sized, I would not care to bet it could not climb trees, were such
> available to it.

"Mouse-sized"? Wasn't it nearly a meter long? That's one big mouse!

That's still a decent size for arboreality, I guess. It had really long
legs, though. 

--T. Mike Keesey
tkeese1@gl.umbc.edu
http://umbc.edu/~tkeese1 -- Dinosaur Web Pages