Article on four species that exist in Maine and nowhere else in the world. The

Article on four species that exist in Maine and nowhere else in the world. The creatures include the Katahdin Arctic Butterfly, the Roaring Brook Mayfly, Clayton\u27s Copper Butterfly, and the Penobscot Meadow Vole. With comments by Phillip deMaynadier, wildlife biologist with the Maine Department of Inland Fisheries and Wildlife (DIFW) ; Judith Rhymer, professor of ecology and evolution at the Unversity of Maine; Jean Hoekwater, naturalist at Baxter State Park; and Beth Swartz, wildlife biologist with DIFW