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Re: Phil Currie celebration, tyrant skin, and other things



On 10 Jul 2001, Tim Williams wrote:
> A fourth possibility is that feathers were seasonal: grown before winter
and
> shed before the arrival of warmer weather.  Of course, this depends upon
> whether tyrannosaurs actually ventured into colder habitats.

What of Jurassosaurus' complaint that it is unlikely that an animal would
lose feathers and grow scales, or, on a population level, evolve scales
again?

-Demetrios Vital