| Avian Architecture : How Birds Design, Engineer, and Build Peter Goodfellow is a retired English teacher and lifelong birdwatcher. His books include Birds as Builders and A Naturalist's Guide to the Birds of Britain and Northern Europe . |
| Avian Architecture : How Birds Design, Engineer, and Build Peter Goodfellow is a retired English teacher and lifelong birdwatcher. His books include Birds as Builders and A Naturalist's Guide to the Birds of Britain and Northern Europe . |