Avistando aves acuáticas en vuelo en el este de América del Norte: Behren K y Cox C (2013) Peterson reference guide to seawatching. Eastern waterbirds in flight. Houghton Mifflin Harcourt, Nueva York. 624 pp. ISBN: 978-0- 547-23739-8. Precio: US$ 35 (tapa dura)
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