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Re: Another feather theory

On Tue, 25 May 2010, Dann Pigdon wrote:

It certainly sounds plausible - although if feathers were increasing in length for the purpose of predator avoidance, it could just as easily have been to make the potential prey look larger than it actually was. Imagine if a small Sinosauropteryx-like theropod puffed out all of its protofeathers, erected a suddenly bushy tail, and backed up the display with an aggressive open-mouthed hiss. It might have been enough to make a potential predator (or rival) think twice.

By appearing larger it could also affect the aim of a predator's lunge.