The common buckeye or simply, buckeye, is a butterfly in the family Nymphalidae. It is found in southern Manitoba, Ontario, Quebec, and Nova Scotia and all parts of the United States except the northwest, and is especially common in the south, the California coast, and throughout Central America and Colombia. The sub-species ''Junonia coenia bergi'' is endemic to the island of Bermuda.
Its habitat is open areas with low vegetation and some bare ground. This species and its relatives were.. more