Results 11 to 20 of about 57,269 (168)
ANÁLISE DA LISTA VERMELHA DE ESPÉCIES DE AVES DA CAATINGA, BRASIL
A Caatinga tem sido apontada como uma importante área de endemismo para as aves sul-americanas, porém, a distribuição, a evolução e a ecologia da avifauna da região continuam pouco investigadas, refletindo, consequentemente, na política e ações de ...
Diego Fernandes Miranda, J. Anjos
semanticscholar +3 more sources
A biologia e a ecologia das aves é um fator importante para explicar a frequência de atropelamentos?
O presente estudo investigou a morte de aves por atropelamento em um trecho sequencial de rodovias federais e estaduais ligando os municipios de Maringa e Guarapuava, ambos no estado do Parana. Esse percurso e caracterizado por uma transicao de paisagens.
Camila Crispim de Oliveira Ramos +3 more
openaire +4 more sources
Osteology of the Feeding Apparatus of Chilean Flamingo Phoenicopterus chilensis (Aves: Phoenicopteridae). [PDF]
1. The skull features a broad, dorsoventrally flattened frontal region articulating with an elongated upper jaw that is complemented by the mandible's downward bend along its proximal half. 2. The low mechanical advantage in the mandible is attributed to the reduced and shallow insertion areas of the adductor muscles, which are positioned close to the ...
Aldana Ardila O, Carlos CJ.
europepmc +2 more sources
Global review of shorebird tracking data to identify research gaps and conservation priorities. [PDF]
Abstract Tracking has enabled rapid advances in knowledge of the movement behavior and habitat use of shorebirds and is thus making a growing contribution to their conservation. However, realizing the full potential that tracking holds for conservation involves understanding what has been performed on shorebirds to date and identifying regional and ...
Michel G +5 more
europepmc +2 more sources
Vulnerability of marine megafauna to global at-sea anthropogenic threats. [PDF]
Abstract Marine megafauna species are affected by a wide range of anthropogenic threats. To evaluate the risk of such threats, species’ vulnerability to each threat must first be determined. We build on the existing threats classification scheme and ranking system of the International Union for Conservation of Nature (IUCN) Red List of Threatened ...
VanCompernolle M +310 more
europepmc +2 more sources
Presentamos información sobre el estado actual del Flamenco Andino (Phoenicoparrus andinus Philippi, 1854), basadoen una revisión bibliográfica minuciosa, acceso a bases de datos y observaciones en campo.
E. Ortiz +2 more
semanticscholar +1 more source
Aprendizaje autodirigido: Enseñanza de la avifauna en una Institución Rural (La Calera)
Esta investigación se desarrolló en la Institución Educativa Departamental Rural (IEDR) El Salitre en el municipio de La Calera, (Cundinamarca). Se diseñó una estrategia didáctica con la construcción, diseño e implementación de un Espacio Virtual de ...
Germán Duglas Cortés-Dussán +2 more
doaj +1 more source
DIVERSIDADE DE PIPRÍDEOS (AVES: PIPRIDAE) AMAZÔNICOS: SELEÇÃO SEXUAL, ECOLOGIA E EVOLUÇÃO [PDF]
We present a review of recent studies about the evolutionary history of birds of the family Pipridae, commonly known as manakins. Birds of this family usually face strong sexual selection, due to their polygynic lekking breeding system. We focused on the effects of sexual selection on geographical distribution patterns, habitat utilization and ...
openaire +1 more source
Ecología de aves migratorias “en route”
Este artículo no cuenta con un resumen.
V. R. Cueto
semanticscholar +1 more source
Los datos para el presente trabajo fueron reunidos entre el 23 de julio de 1974 y el 29 de diciembre de 1975.Fue escogida el área comprendida en el cañón de la Quebrada la Iguaná, desde su desembocadura en el Río Medellín hasta su origen en Boquerón, con
M. Serna D.
semanticscholar +1 more source

