Birdman of Lincolnshire
Alan Stewart explores ornithopters emulating the natural flight of birds and insects. Features overview, photo gallery, archives and research information.
O-Zone: The Ornithopter Society
Fly with flapping wings. Features information on getting started, photo and multimedia gallery, free plans, resources, links, newsletter and discussion forum.
Project Ornithopter
An engine-powered piloted aircraft, which is based on the technology of the Harris/DeLaurier model. Features history of ornithopters and the project, media gallery, links and contacts.
Yahoo! Group: FlapnFly
Discussion forum of ornithopter aircraft and their discussion, test and operation. Featured postings include online newsletter of The Ornithopter Society.