Re: four winged Archaeopteryx

[Tim Williams <twilliams_alpha@hotmail.com>]

Andreas Johansson wrote:

> Wouldn't the naked faces of vultures be an instance of partial feather loss 
> within Neornithes?

Yes, it would.  (Although I've been told many vulture species do retain 
small down-like feathers on the otherwise 'naked' face and neck.)  However, 
no modern bird is completely featherless.

Cheers

Tim