[VadeRetro]

even some evolutionists, like John Ruben of Oregon State University in Corvallis, are sceptical about the claim of downy feathers. He believes that they are 'just collagen' -- internal connective-tissue fibres left behind when the flesh decayed.

Ruben, IIRC, is reviewing this earlier Sinornithosaurus fossil, not the later one.

The later one is clearer and has more than one kind of impression, much harder to dismiss.

Have to wonder if Ruben is still singing the same tune.

[Junior]

A "birds of a feather" placemarker.