Results 51 to 60 of about 676 (155)

Primer registro de presencia y nidificación del Lechuzón Orejudo (Asio clamator) en la provincia del Chubut

open access: yesNuestras Aves
El Lechuzón Orejudo (Asio clamator) es un ave de la familia Strigidae poco común para la Patagonia argentina, con registros locales y dispersos. En esta nota presentamos el primer registro de su presencia y nidificación en la provincia del Chubut ...
Anahí E. Formoso   +3 more
doaj   +1 more source

Registro del tecolote afilador (Aegolius acadicus) en las montañas y valles del occidente de Oaxaca, México

open access: yesHuitzil, 2011
Capturamos un adulto del tecolote afilador (Aegolius acadicus) en una red de niebla en San Pedro Totomachapam, municipio de Zimatlán de Álvarez, Oaxaca, en diciembre de 2010.
Mario C. Lavariega   +3 more
doaj   +1 more source

The Case of the Missing Green Iguana Predators: Reviews of Ecological Literature Should Go Beyond Google Scholar

open access: yesThe Bulletin of the Ecological Society of America, Volume 107, Issue 2, April 2026.
Abstract Knowing about species interactions is essential for ecological research, conservation efforts, resource management, and maintaining healthy ecosystems, but many of these, such as reports of predation, may not always be published in easily located resources—if they are published at all.
Matthijs P. van den Burg, Hinrich Kaiser
wiley   +1 more source

How much sampling is enough? Four decades of understorey bird mist‐netting across Amazonia define the minimum effort to uncover species assemblage structure

open access: yesIbis, Volume 168, Issue 2, Page 571-587, April 2026.
Mist‐net sampling comprises a key methodological component of assemblage‐wide avifaunal studies, particularly in the understorey of closed‐canopy tropical forests. To investigate mist‐net bird captures and species assemblage structure, we compiled data from 312 sites across the Pan‐Amazon.
Pilar L. Maia‐Braga   +14 more
wiley   +1 more source

Nota sobre la dieta de la Lechucita Bigotona, Xenoglaux loweryi en Yambrasbamba, Amazonas

open access: yesRevista Peruana de Biología, 2016
En este trabajo se dan a conocer los resultados del análisis de heces de la Lechucita Bigotona (Xenoglaux loweryi), especie endémica de Perú y en peligro de extinción según IUCN, que habita los bosques montanos húmedos de la cordillera Oriental de los ...
Alejandro Alarcón   +3 more
doaj   +1 more source

CARACTERIZAÇÃO ALIMENTAR DA Athene cunicularia (STRIGIFORMES: STRIGIDAE) (CORUJA BURAQUEIRA) [PDF]

open access: yesCiência Animal Brasileira, 2017
Resumo O objetivo da proposta foi caracterizar a dieta alimentar da Athene cunicularia pela análise dos egagrópilos (regurgitos) em 15 tocas mapeadas em 10 hectares do campus da UFRB em Cruz das Almas, Bahia. Os regurgitos foram submetidos a tratamentos para a identificação da lista de cada item (vertebrados, invertebrados, material vegetal e pedras ...
Santos, Divaney Mamédio dos   +5 more
openaire   +3 more sources

Predators and scavengers: Polar bears as marine carrion providers

open access: yesOikos, Volume 2026, Issue 1, January 2026.
Scavenging is a foraging strategy widely used across the animal kingdom and apex predators provide a large amount of energy in a food web by provisioning carrion. In the harsh environmental conditions of the Arctic, apex predators such as polar bears Ursus maritimus can provide scavenging opportunities for many species. Carrion can act as a buffer when
Holly E. L. Gamblin   +5 more
wiley   +1 more source

A narrative review of the impact of anthropogenic light and noise on owls

open access: yesIbis, Volume 168, Issue 1, Page 5-24, January 2026.
Today, owls are exposed to increasingly brightly lit nights and noisy environments because of human activities. To understand the impacts of artificial light at night (ALAN) and anthropogenic noise we performed an evidence synthesis. We searched four literature databases and Google Scholar and we collected 39 relevant articles (1945–2024) providing 125
Romain Sordello   +2 more
wiley   +1 more source

Aberraciones cromáticas en aves de la colección ornitológica del Museo Argentino de Ciencias Naturales “Bernardino Rivadavia” Chromatic aberrations in birds of the ornithological collection of the Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”

open access: yesRevista del Museo Argentino de Ciencias Naturales, 2011
En el presente trabajo se determinan las aberraciones cromáticas que afectan el plumaje de las aves en la colección ornitológica del Museo Argentino de Ciencias Naturales de Buenos Aires.
Matías Ricardo Urcola
doaj  

Non‐Passerine Birds in Zoos: A Global Approach on Distribution Patterns of Threatened Birds in Zoological Institutions 动物园中非雀形目鸟类:全球动物机构中受威胁鸟类的分布模式研究

open access: yesIntegrative Conservation, Volume 4, Issue 4, Page 600-615, December 2025.
Only 1541 (34.2%) of 4503 recognized non‐passerine bird species are held in ZIMS institutions worldwide. Approximately ~83% of the species kept globally are classified as non‐threatened and ~16% as threatened. To improve the conservation of threatened birds, a shift toward keeping threatened species should be considered within ex situ management ...
Anna Wahle   +6 more
wiley   +1 more source

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