Windsor, Ontario Butterfly Count
- Results of the NABA butterfly counts at the Ojibway Nature Center.
- http://www.ojibway.ca/naba.htm

Butterfly Watching in Ontario
- Field reports, counts, events, structure of butterflies, nectar and host plants, species list, photo quiz, books, and photo galleries.
- http://www.web-nat.com/Butterfly/

Butterflies of Pembroke, Ontario
- Results of 4th of July Butterfly Counts and some photos.
- http://www.renc.igs.net/~cmichener/pafnhtml/PAFNBfly.html

Butterflies of Nova Scotia
- Checklist developed by the Halifax Field Naturalists.
- http://museum.gov.ns.ca/mnh/nature/buttchek/

Butterflies of Canada
- Full checklist with detailed accounts for all species, including photographs, and information on how to study and garden for butterflies.
- http://www.cbif.gc.ca/spp_pages/butterflies/index_e.php