Links
- Willow Beach Field Naturalists – www.willowbeachfieldnaturalists.org
- Ontario Field Ornithologists – www.ofo.ca
- Pickering Naturalists – www.pickeringnaturalists.org
- Durham Region Field Naturalists – www.drfn.ca
- Kingston Field Naturalists – www.kingstonfieldnaturalists.org
- North Durham Nature – www.northdurhamnature.com
- Featherfields: The Bird and Garden Store – www.featherfields.com
- Ontario Recovery Strategy for Barn Swallows