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Geographical and seasonal distributions of the seedeaters Sporophila bouvreuil and Sporophila pileata (aves: Emberizidae)
(USP, 2010)
Many species in the genus Sporophila are migratory. Migration patterns, while poorly studied, may be influenced by seed production which can be very seasonal in some regions. The distribution of S. bouvreuil extends from ...
Descripción y comparación anatómica de huesos de Sicalis flaveola, Saltator similis, Sporophila angolensis, Sporophila caerulescens, con fines de identificación en sitios de sucesos producto del tráfico animal, en Brasil
(Universidad de Chile, 2017)
El tráfico de vida silvestre es una industria multimillonaria que amenaza la biodiversidad. Dentro del tráfico animal, destaca el comercio ilícito de aves. Brasil es el hogar de una de las faunas más ricas de aves en el ...
Plumage variability and taxonomy of the Capped Seedeater Sporophila bouvreuil (Aves: Passeriformes: Emberizidae)
(MAGNOLIA PRESS, 2011)
The species Sporophila bouvreuil comprises four subspecies: S. b. bouvreuil, S. b. pileata, S. b. saturata and S. b. crypta. The males of each subspecies differ in plumage whereas the females and juveniles are very similar ...
First nest description of the Ibera Seedeater ( Sporophila iberaensis)Primera descripcion del nido del capuchino Sporophila iberaensi
(Wilson Ornithological Society, 2019-04)
The southern capuchino seedeaters constitute a rapid radiation of finch-like birds that inhabit Neotropical grasslands in continental South America. While capuchinos are highly sympatric, the mechanisms allowing them to ...
Lesão post-mortem de urolitíase em um Curió (Sporophila angolensis)
(2012-10-01)
Urolithiasis is a disease that despite being a commonly observed problem in veterinary practice is uncommon in birds. Such disease was not reported in passeriforms to date. Accordingly, the aim of the present article is ...
Identification of Poxvirus Under Transmission Electron Microscopy During Outbreak Period in Wild Birds, in São Paulo, Brazil
(Sociedad Chilena de Anatomía, 2009)
Systematics of the Tawny-bellied seedeater (Sporophila Hypoxantha): I: geographic variation, ecology, and evolution of vocalizationsSistemática de Sporophila Hypoxantha: I: variación geográfica, ecología y evolución de las vocalizaciones
(Cooper Ornithological Society, 2011-08)
Geographically isolated populations diverging in vocalizations and habitat use are prime candidates for diversification along the speciation/differentiation continuum. The Tawny-bellied Seedeater (Sporophila hypoxantha) ...
Uso e seleção de habitat por aves em ambientes campestres e áreas úmidas na região sul do cerrado
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ecologia e Recursos Naturais - PPGERNCâmpus São Carlos, 2016-06-30)
In Brazil, the largest remnants of the Cerrado grasslands are threatened and restricted to protected areas. They are priority ecosystems for preservation and sustain a unique fauna, with many species of conservation interest. ...
Winter songs reveal geographic origin of three migratory seedeaters (Sporophila spp.) in southern neotropical grasslands
(Wilson Ornithological Soc, 2012-12)
The winter distribution of neotropical seedeaters (Sporophila spp.) known as capuchinos is poorly known. There are difficulties to understanding their migration patterns: fieldwork is lacking in their wintering areas, their ...
Analysis from avian visual perspective reveals plumage colour differences among females of capuchino seedeaters (Sporophila)
(Wiley Blackwell Publishing, Inc, 2010-11)
Females of the closely related capuchino seedeaters are difficult to distinguish from one another based on human visual perception of colouration and morphology. We examined plumage colour differences among females of four ...