This is the 2016 edition of the the Official list, revised by the Costa Rican Ornithological Association's Committee on Rare Species and Ornithological Registers in Costa Rica - Asociacion Ornitologica de Costa Rica (AOCR)."
This is the 2016 edition of the the Official list, revised by the Costa Rican Ornithological Association's Committee on Rare Species and Ornithologica...
