We are very grateful to the photographers who have generously allowed us to use their work. They include Elissa Asp, Doris Betts, Karen Cook, Peyton Chisholm, William D. Crawford, Jim Edsall, Mark Elderkin, Donna Evers, Shelley Goulding, Nancy Hsu, Holger Klee, Roy LaPointe, Maxim Larrivée, Elke Love, Gerald MacKenzie, Angus MacLean, Ken McKenna, Grant Milroy, Julie Potton, Lisa Proulx, Cecil Pulsifer, Dan Rolfe, Rachele Saulnier, Phil Schappert, Kimberly Shaw, Patricia Sowinski, Kathleen F. Spicer, Richard Stern, Rita Viau, Kristine Wallstrom, Elaine Wellon, Ron Wilson and Doreen Wong.
And finally we must thank all those who record their butterfly observations through the Google group "NSNature" and its predecessor the NatureNS mailing list, the Maritimes Butterfly Atlas and eButterfly. Their reports are a rich source of data for this web site.