- Presque Isle Audubon Society
- Birds of Canada
- Purple Martin Geolocator Project
- Stutchbury Lab
- Chuck’s Purple Martin Page
- Purple Martin Capitals
- Controlling House Sparrows and Starlings
- Ontario Eastern Bluebird Society
- Ontario Bird Banding Association
- Essex County Field Naturalist Links
- Fatal Light Awareness Program of Toronto
- Hinterland’s Who’s Who
- Essex County Field Naturalists’ Club
- Naturalized Habitat Network
- North American Banding Council
- Purple Martin Research Group
- Birds of Ontario Blog
- Cornell University :All About Birds
- Ruthven Park Nature Blog
- Tommy Thompson Park
- Ontario Breeding Bird Atlas Project
- Ontario Field Ornithologists
- Bird Studies Canada
- Ontario Birding
- Holiday Beach Migration Observatory
- Point Pelee National Park