Are Birds Really Dinosaurs?
http://www.ucmp.berkeley.edu/diapsids/avians.html

John Hutchinson, Stanford University


Evidence presented on this site is overwhelmingly in favor of birds being the descendants of a maniraptoran dinosaur, probably something similar (but not identical) to a small dromaeosaur. Dr. Jacques Gauthier created the first well-accepted, detailed phylogeny of the diapsids. His work provided strong, compelling support for the theory that birds are theropod dinosaurs. The development of the theory is traced and a list of twenty major skeletal characteristics the first birds shared with many coelurosaurian dinosaurs is included. The site contains many active links for further study.

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DLESE
This resource is referenced here:
Subject: Biology
Resource Type: Scientific Resources:Opinion, Overview/Reference Work
Grade Level: Informal, College Upper (15-16), College Lower (13-14), High School (9-12)
Focus on the Cretaceous: Paleontology
Topics: Biosphere, Time/Earth History