Maritimes Butterfly Atlas - you have to dig a bit to get to the species pages, but there's some very useful information about all the species found in the Maritimes.
Butterflies of Nova Scotia - a similarly organized website covering many of the same species as this one.
eButterfly - an interactive website where citizens can contribute their butterfly observations!
Butterflies of Canada - online version of this important reference work
Les papillons diurnes du Canada - french version of Butterflies of Canada
Butterflies of Quebec - my website that focuses on Quebec
Butterflies of Ontario - my website that focuses on Ontario
Leps Blog - Blog on Butterfly related topics
Sentinels on the Wing - comprehensive overview of Status and Conservation of Butterflies in Canada
Monarch Teacher Network - workshops and resources on using Monarch butterflies in the classroom
Butterflies Beautiful - Butterfly kits for the Classroom
Lucy's Butterfly Farm - Butterfly kits
Gaia Nature - Butterflies for the Classroom
Butterflies of the Maritimes - discussion forum
Maritimes Butterflies - this list was active during the Maritimes Butterfly Atlas campaign but now appears to be inactive
Butterfly_obs - A yahoo group where members report their sightings for Eastern Ontario and West Quebec
Ontario Butterflies - A google group where members report their sightings for Southern Ontario
Nature NB - provides a list of clubs with links to their respective websites
Chignecto Naturalists’ Club (Sackville) - no website, for contact info, see Nature NB link above
Club de Naturalistes de la Péninsule Acadienne ( Grand-Anse, Bertrand, Landry, Saint-Isidore and down to Néguac )
Nature Nova Scotia - provides a list of clubs
Blomidon Naturalists Society ( eastern Annapolis Valley )
Nature PEI – The Natural History Society of Prince Edward Island
Toronto Entomological Association - lots of useful information for Ontario in general
Massachusetts Butterfly Club - a website featuring a useful tool for comparing photos of different species side-by-side. Not all species featured on this website will be found in Ontario.
Butterflies of the Carolinas and Virginias - another site with features that are handy for Butterfly identification - in this case, when you place your cursor over the photograph, identification keys pop up. Not all species featured on this website will be found in our area.