Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Aloeides rileyi -  Riley’s Copper (Aloeides rileyi) is a butterfly of the Lycaenidae family. It is found in South Africa where it is known from Lesotho and the eastern part of the Orange Free State.The wingspan is 24–28 mm for males and 26–30 mm females. Adults are on wing from November to February. There is one generation per year.
A:
Animal