Incoming Resources
- Bird, "Bird" DK Vision and BBC Worldwide Americas ; series producer, Bill Butt ; producer, Justine Kershaw ; writer, Brian Meehl ; director, Alisa Robbins. "The making of 'Eyewitness' Dorling Kindersley Ltd. and BBC Lionheart Television Intl. Inc. ; written and produced by Bill Butt ; director/cameraman, Mike Kamei
- How birds evolve, what science reveals about their origin, lives, and diversity, Douglas J. Futuyma
- Unearthing the dragon, the great feathered dinosaur discovery, Mark Norell ; photography and drawings by Mick Ellison