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Re: Walking dromaeosaurs




From: Nick Pharris <npharris@umich.edu>
Reply-To: npharris@umich.edu
To: aspidel@wanadoo.be
CC: The Dinosaur Mailing List <dinosaur@usc.edu>
Subject: Re: Walking dromaeosaurs
Date: Thu, 31 Jul 2003 20:49:53 -0400

Quoting Aspidel <aspidel@wanadoo.be>:

> This morning I was watching _Motacilla alba_ walking: this bird moves its
> neck front-and-back all the time when walking and moves its tail up-and-down
> to keep its balance.

I'd say front-back head movement is likely, but most birds don't do the tail
movement: it's a distinctive feature of this particular group of species, as
reflected both in the Latin "motacilla" ('moved-tail') and in the
English "wagtail".

Not to mention Dutch "Kwikstaart" (Position-differing (for lack of a better translation of this old-fashioned word) tail)

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