Davis,L.Irby A field guide to the birds of Mexico and Central America - - London - INGL University of Texas Press 1972 - 282p. verde - John Fielding and Lois Lasater Maher Series v.1 . ISBN: 0-292-70700-2 Subjects--Topical Terms: Zoologia--Pajaros--Aves--Mexico--Centroamerica--America Central--Ornitologia--Avifauna--Zoologia--Mesoamerica--