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Waterfowl Ecology and Management
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Ecology and Management of Breeding Waterfowl
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Aves Uruguayas (Síntesis de las Familias ) 1ª Parte: No Passeriformes.
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The Howard & Moore Complete Checklist of the Birds of the World. Third Edition.
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Vida Animal: el Brehm ilustrado: Tomo Segundo
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Las Aves de Chile: su conocimiento y sus costumbres: Tomo Segundo
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Ducks, Geese, and Swans of the World
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A Phylogenetic Analysis of Recent Anseriform Genera Using Morphological Characters
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Waterfowl: an identification guide to the ducks, geese, and swans of the world.
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Birds of Australia
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Manual of Ornithology: Avian Structure & Function
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Salvadori, T. 1895.
Catalogue of the CHENOMORPHÆ (Palamedeæ, phoenicopteri, anseres), CRYPTURI, and RATITÆ in the collection of the British Museum
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Distribution and Taxonomy of Birds of the World.
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H. F. & G. Whitherby Limited. London. 407 pgs.

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Observations on the birds of Argentina, Paraguay, Uruguay, and Chile
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A Glossary of Spanish Bird-Names
Tamesis Books Limited. London. Pg 46.