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Dive depth and plumage air in wettable birds: the extraordinary case of the imperial cormorant
(Inter-Research, 2007-12)
Cormorants are considered to be remarkably efficient divers and hunters. In part, this is due to their wettable plumage with little associated air, which allows them to dive with fewer energetic costs associated with ...
First record of chromatic aberrations in the Cream-backed Woodpecker (Campephilus leucopogon, Picidae)Primer registro de aberraciones cromáticas en el Carpintero Negro de Dorso Blanco (Campephilus leucopogon, Picidae)
(Neotropical Ornithological Society, 2015-12)
According to van Grouw (2013), leucism and progressive graying are types of plumage aberrations defined as the partial or total lack of melanin in feathers and skin, which may result in an all-white plumage or all-white ...
Evolution of Dendrocolaptes platyrostris (Aves: Furnariidae) between the South American open vegetation corridor and the Atlantic forest
(Wiley Blackwell Publishing, Inc, 2011-08)
The open vegetation corridor of South America is a region dominated by savanna biomes. It contains forests (i.e. riverine forests) that may act as corridors for rainforest specialists between the open vegetation corridor ...
Effects of melanocortin 1 receptor (MC1R) gene polymorphisms on plumage color in mule ducks
(Brazilian Journal of Animal Science, 2023)
Plumage convergence in tyrant flycatchers: a tetrachromatic view
(Universidad de los AndesBiologíaFacultad de CienciasDepartamento de Ciencias Biológicas, 2018)
La evolución convergente es el proceso mediante el cual diferentes linajes evolutivos independientemente evolucionan características similares. La evolución convergente ha sido relacionada con presiones de selección como ...
How the observed color of the Swallow Tanager (Tersina viridis) changes with viewing geometry
(Elsevier Gmbh, 2019-04)
Non-iridescent coloration in birds’ plumage is associated with the quasi-ordered nanostructures of short-range order present within the feather barbs. Even though this type of color does not change with the observation ...
Unique caudal plumage of Jeholornis and complex tail evolution in early birds
(National Academy Of Sciences, 2013-10)
The Early Cretaceous bird Jeholornis was previously only known to have a distally restricted ornamental frond of tail feathers. We describe a previously unrecognized fan-shaped tract of feathers situated dorsal to the ...
Buenas prácticas de manejo en la faena de ñandú
(Ediciones INTA, 2019)
Esta publicación tiene por objetivo brindar a los técnicos y productores, en detalle, el proceso de faena, en base a la normativa vigente y las consignas técnicas nacionales e internacionales para asegurar el bienestar ...