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RE: Dinosaur hatchlings



On Tue, 1 Aug 2000, Bartlema, Lauri, L. wrote:
> The blind and naked ones are altricial, the "out of the egg and up and
> running" ones are precocial.  Your questions are interesting, and something
> I had never thought about.  I hope someone that works with baby dinos can
> answer this.

I don't know if "naked" matters here - despite speculations on
feathers.

Next question, what physical (i.e., bones) signs would distinguish
between precocial and altricial?


> > From:       Larry Dunn[SMTP:majestic_cheese@yahoo.com]
> > Reply To:   majestic_cheese@yahoo.com
> > Sent:       Monday, July 31, 2000 1:24 PM
> > To:         dinosaur@usc.edu
> > Subject:    Dinosaur hatchlings
> > 
> > Some birds are born with feathers and able to see. 
> > Others are born naked and blind.  There are
> > impressive-sounding terms for these two types of
> > hatchlings, but I forget them.
> > 
> > Can we tell from fossilized eggs and fossilized
> > hatchlings how dinosaurs were born?  Would this have
> > varied among the dinosaur species as it does with birds?
> > 
> > =====
> > Larry
> > http://members.tripod.com/~megalania/index.html