Results 61 to 70 of about 27,361 (232)

Registros de depredadores de huevos, pichones y volantones de aves de Argentina

Acta Zoológica Lilloana, 2016
El presente trabajo es el resultado de observaciones de campo y estudios realizados en Argentina entre los años 1978 y 2015. Se aporta información inédita sobre la identificación de depredadores de huevos, pichones y volantones de aves así como también ...
Sergio A. Salvador
doaj  

Territoriality, breeding philopatry, and nest site selection of Chestnut Seedeater ( Sporophila cinnamomea ) in grasslands of southern Brazil

Journal of Field Ornithology
We provide the first insights on the territorial behavior of the Chestnut Seedeater ( Sporophila cinnamomea ), a vulnerable, migratory species inhabiting the Pampas grasslands of South America.
Jonas Rafael Rodrigues Rosoni, Caio J. Carlos, Carla Suertegaray Fontana   +2 more
doaj   +1 more source

Ecologia alimentar da gaivota-de-audouin (Larus audouinii) e da gaivota-de-patas-amarelas (Larus mmichahellis) no sul de Portugal [PDF]

, 2015
A gaivota-­‐de-­‐audouin (Larus audouinii), colonizador recente em Portugal, nidifica no Algarve, Ilha da Barreta, em simpatria com a gaivota-­‐de-­‐patas-­‐amarelas (Larus michahellis), não tendo sido avaliada, até à data, a potencial competição entre ...
Moniz, Filipe Eduardo Ferreira Fernandes
core  

Breeding biology and conservation of the Marsh Seedeater Sporophila palustris [PDF]

, 2013
El Capuchino Pecho Blanco Sporophila palustris es uno de los capuchinos menos conocidos y uno de los más amenazados. Sus poblaciones reproductivas son locales, fragmentadas y ocurren en el nordeste de Argentina, sudeste de Brasil y en Uruguay ...
ADRIAN S. DI GIACOMO, ALEJANDRO G. DI GIACOMO, Anonymous, Areta, Belton, Bencke, Bencke, Chebez, Collar, de la Peña, de la Peña, de la Peña, Develey, Devenish, Di Giacomo, Di Giacomo, Di Giacomo, FERNANDO JACOBS, ffrench, JEFERSON VIZENTIN-BUGONI, JUAN I. ARETA, Kunst, Lima, MARCO A. AFONSO COIMBRA, Martin, Meyer de Schauensee, Narosky, Narosky, Ouellet, RAFAEL A. DIAS, Ridgely, Roda, Sick, Silva, Simon, Stattersfield, Stiles, Willis   +37 more
core   +3 more sources

Frost Decreases Fruit Production in a Neotropical Savanna: Implications for Frugivorous Bird Abundances

Biotropica, Volume 58, Issue 3, May 2026.
Severe frost events seem to be happening on average every 5 years, rather than 7 years, as previously reported in the southern limit of the Cerrado, a Neotropical savanna. We conducted this study in the Cerrado, where severe frost events allowed us to compare fruit production and frugivorous bird abundance before and after the disturbance.
Mariana Campagnoli, Augusto Florisvaldo Batisteli, Alexander V. Christianini   +2 more
wiley   +1 more source

Cativeiro de aves como fonte de Cryptococcus neoformans na cidade de Campo Grande, Mato Grosso do Sul, Brasil

Revista da Sociedade Brasileira de Medicina Tropical, 2002
Cryptococcus neoformans é a levedura capsulada causadora de criptococose em humanos e animais. A variedade neoformans, encontrada em diversas fontes ambientais, inclusive habitats de aves, é importante causa de mortalidade em indivíduos com AIDS em todo ...
Filiú Wander Fernando de Oliveira, Wanke Bodo, Agüena Sandra Maura, Vilela Valter Oshiro, Macedo Regina Célia Lima, Lazéra Márcia   +5 more
doaj  

The effect of habitat fragmentation in the diet of pine marten [PDF]

, 2012
Tese de mestrado. Biologia (Biologia da Conservação). Universidade de Lisboa, Faculdade de Ciências, 2012The european pine marten Martes martes (Linnaeus 1758) is a member of the Mustelidae family, comprising such members as weasels, stoats, polecats ...
Mestre, Henrique Marques, 1988-
core  

Marine trophic architecture and hidden ecological connections in the Strait of Magellan: keystone species and ecosystem resilience

Oikos, Volume 2026, Issue 4, April 2026.
Understanding the ecological implications of species coexistence is central to biodiversity studies and to identify environmental and anthropogenic drivers of ecosystem dynamics, where ecological network analysis offers valuable insights. This study examines the complexity, structure, and potential responses to disturbances of the Strait of Magellan's ...
Claudia D. Andrade, Taryn Sepúlveda, Cristóbal Rivera, Cristian Aldea, Tomás I. Marina   +4 more
wiley   +1 more source

Acoustic indexes as predictors of bird richness: Insights from atlantic forest fragments

Ecological Indicators
Bird communities present in remaining fragments of the Atlantic Forest suffer several impacts. Fragments bordering roads suffer from anthropophonies caused by vehicle traffic, affecting their acoustic communication, behaviour and even changing community ...
Tarcísio Linhares Löw, Renato Hajenius Ache de Freitas, Guilherme Renzo Rocha Brito, Andrei Langeloh Roos, Luis Carlos-Pinto   +4 more
doaj   +1 more source

Ecologia da paisagem voltada para o manejo de avifauna [PDF]

, 2003
A análise da paisagem, mais especificamente a ecologia da paisagem permite estabelecer uma base de estudo para compreendermos os impactos humanos na fragmentação da vegetação e na distribuição e conservação das aves.
Carvalho Júnior, Osmar Abílio de, Guimarães, Renato Fontes, Mattos, Juliana Carvalho Frota   +2 more
core