Biologists examining evidence for the claim that birds evolved from dinosaurs have reached some surprising new conclusions. However, they caution that "the problem of avian origins is far from being resolved." Their analysis is published online October 10, 2005 in the Journal of Morphology, published by John Wiley & Sons, Inc. and available via Wiley InterScience.Dinosaurs have long captured the imagination while their relationships have eluded full explanation. Innovative research and a comprehensive consideration of the old can also inspire new interpretations, as researchers recently found when examining the evidence supporting the current theory about feather origins and the relationships of birds and dinosaurs. All experts agree that birds are related to theropod dinosaurs; however, debate has raged on over whether today's winged creatures are derived directly from advanced theropods, or from an earlier shared ancestor. The current theory supports direct derivation, but recent fossil discoveries in China have led to new questions about the claim. The Chinese discoverers reported finding all stages of feather evolution and ancestral birds, even though the deposits are at least 25 million years younger than those containing the earliest known bird Archaeopteryx.

Researchers, led by Alan Feduccia of the University of North Carolina at Chapel Hill, considered the new findings in the context of the existing literature and furthered the knowledge base with additional experiments. Theagarten Lingham-Soliar of the University of KwaZulu-Natal in South Africa examined the skin of modern reptiles, the effects of decomposition on skin, and the fossil evidence relating to alleged feather progenitors (protofeathers). Richard Hinchliffe of the University College of Wales also examined evidence relating to the tridactyl hand, which is composed of digits 1-2-3 in dinosaurs, the most critical characteristic linking birds to derived theropods.

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Well, if birds did indeed evolve from dinosaurs, I think it's obvious to say that one of the stages of evolution was a type of feathered dinosaur.

I think SaRuMaN's title is misleading and doesn't accurately represent the article, it isn't a question of whether or not there were feathered dinosaurs, but whether birds were direct descendants of late era theropods.

Why couldn't they have existed? We probably have no idea how many different species there really were.

I think birds evolved from dinos, yes, because when you look at a bird, the movent, his senses, his reactions, etc. Its almost as if the bird is some kind of a dino. You guys should pay attention next time you see a bird walking.

It's amazing that you know the habits, movements and reactions of a dinosaur .
I think it is a fact based on fossil record that there were feathered dinosaurs, and well supported theory that birds evolved in some way from dinosaurs, it is just a matter of what branch the birds evolved from.