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Re: Feathers for T-rex?



From: "Thomas R. Holtz, Jr."
> (...) Since tyrannosaurs lie below the node for
> which Stage 3 feathers are synapomorphic, it is as likely they had only
> Stage 2 feathers (tufts of unbranched barbs attached to a calamus).  One
> would wonder how much maintainence these tufts would require.
>
> (This might be similar to, for example, big-bodied mammals like rhinos who
> have no real way of preening in the fasion of cats and dogs and so forth).

Maybe also birds feeded on their parasites, like extant herons on wild big
mammals.

Cheers - Aspidel.