The butterflies of England can be found at the Butterflywebsite.com http://butterflywebsite.com/Atlas/florafauna.htm They are grouped accoedingly to postal code. World Species List - Endangered Species (not US) http://www.envirolink.org/species/onuses.html The list for US endangered butterflies is, http://endangered.fws.gov/invdata.html#Insects Rick Mikula