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Nesting habitat of Chubut Steamer Ducks in Patagonia, Argentina
(Csiro Publishing, 2010-05)
We studied nest-site selection of the flightless Chubut Steamer Duck (Tachyeres leucocephalus) along 292km of continental coastline and 59km of island coastline in Patagonia, Argentina, between 2004 and 2006. This area ...
Variation in the size of eggs of Chubut Steamer Ducks (Tachyeres leucocephalus)
(Csiro Publishing, 2012)
Although several studies have analysed spatial or temporal variation in the size of eggs in waterfowl (Anseriformes), no study has analysed variation throughout the breeding range of a species. Chubut Steamer Ducks (Tachyeres ...
Phylogenetic relationships of the Early Miocene diving and flightless duck Cayaoa bruneti (Aves, Anatidae) from Patagonia: homology or convergence?
(Wiley-Blackwell Publishing Ltd, 2019-11)
Cayaoa bruneti, from the early Miocene Gaiman Formation of Chubut, Argentina, provides the earliest evidence for diving behaviour and the earliest example of flight loss within Anseriformes. It is also the only known diving ...
Cayaoa bruneti (Aves: Anseriformes) from the Early Miocene of Patagonia, Argentina: New Materials and Revised DiagnosisCayaoa bruneti (Aves: Anseriformes) del Mioceno temprano de Patagonia, Argentina: Nuevos materiales y diagnosis enmendada
(Asociación Paleontológica Argentina, 2019-06-07)
We restudy the holotype specimen and all the alleged fossil material assigned to Cayaoa bruneti Tonni from the Early Miocene marine deposits of the Gaiman Formation, Patagonia, Argentina. Cayaoa bruneti is phylogenetically ...
New material of Cayaoa bruneti Tonni, an Early Miocene anseriform (Aves) from Patagonia, Argentina
(E Schweizerbartsche Verlags, 2008-09)
Cayaoa bruneti TONNI, 1979 is an early Neogene anseriform exhumed from marine sediments of the lower levels of the Gaiman Formation ("Patagoniano", Leonian Marine Stage, Chubut, Argentina). It was originally based on a ...
Breeding biology of the chubut steamerduck (tachyeres leucocephalus)Biología reproductiva del Pato Vapor Cabeza Blanca (Tachyeres leucocephalus
(Neotropical Ornithological Society, 2013-06)
El Pato Vapor Cabeza Blanca (Tachyeres leucocephalus) es un anátido no volador endémico de la costa marina de la Provincia del Chubut y es la especie más recientemente descripta dentro del género. Hasta el momento se cuenta ...