Results 71 to 80 of about 4,246 (251)

Primer registro documentado del Esparvero variado (Accipiter bicolor) para la provincia de Buenos Aires, Argentina [PDF]

open access: yes, 2014
En la porción meridional de América del Sur el Esparvero Variado (Accipiter bicolor) habita bosques subtropicales y templados, además de regiones de vegetación abierta con bosques en galería y en isletas (Bierregaard 1994).
Cabanne, Gustavo Sebastián
core  

Ocorrência do urubu-de-cabeça-amarela Cathartes burrovianus no município de Ouro, oeste do estado de Santa Catarina

open access: yesBiotemas, 2002
Cathartes burrovianus, urubu-de-cabeça-amarela, possui uma ampla distribuição geográfica na América Latina, sendo considerado raro para o estado de Santa Catarina. Este trabalho visa contribuir para o conhecimento da distribuição geográfica desse animal,
Cássio Amaral, Viviane Amaral
doaj  

Inclement weather forces stopovers and prevents migratory progress for obligate soaring migrants

open access: yesMovement Ecology, 2021
Background Migrating birds experience weather conditions that change with time, which affect their decision to stop or resume migration. Soaring migrants are especially sensitive to changing weather conditions because they rely on the availability of ...
Julie M. Mallon   +2 more
doaj   +1 more source

Under the radar: The availability of nonsteroidal anti‐inflammatory drugs in South America and implications for avian scavenger populations

open access: yesConservation Science and Practice, Volume 7, Issue 4, April 2025.
The use of diclofenac and other nonsteroidal anti‐inflammatory drugs (NSAIDs) has been identified as a cause of vulture decline in Asia and Europe. Investigation into the availability of two NSAIDs (diclofenac and flunixin) in South America found that both are approved for veterinary use and are accessible in all countries searched, across many ...
Kane P. J. Colston   +3 more
wiley   +1 more source

Cathartes Illiger 1811

open access: yes, 2020
Genus Cathartes Illiger, 1811 Cathartes Illiger, 1811, Prodromus Syst. Mamm. Av., p. 236. Type, by subsequent designation, Vultur aura Linnaeus.
openaire   +2 more sources

Cathartic narratives for chaotic thinking [PDF]

open access: yesCanadian Medical Association Journal, 2016
Two years with severe, chronic lower back pain feels like an eternity, yet people in my pain support group have endured pain for decades. They talk about their losses: employment, education, socializing, marriages, relationships, powerful emotions, spirituality, homes, recreation and freedom ...
openaire   +3 more sources

Resources and Human Diet in Llancanelo (Mendoza, Nordpatagonia): One Discussion Archaeological Record [PDF]

open access: yes, 2014
Este trabajo intenta caracterizar la dieta humana mediante los isótopos estables (δ13C y δ15N en colágeno y δ13C y δ18O en hidroxiapatita). Los resultados se discuten en primer lugar con la ecología isotópica generada para esta zona.
Corbat, Mercedes   +6 more
core   +1 more source

Preliminary effects of UAS angle of approach on escape responses of a large-bodied raptor

open access: yesDrone Systems and Applications
Animal responses to unoccupied aircraft systems (UAS) can be exploited to reduce human-wildlife conflicts. We investigated how same-level UAS approaches (0°) would be perceived by Turkey Vultures (Cathartes aura; “vultures”) compared to stoop approaches (
Morgan B. Pfeiffer   +3 more
doaj   +1 more source

Isotopic ordering in eggshells reflects body temperatures and suggests differing thermophysiology in two Cretaceous dinosaurs [PDF]

open access: yes, 2015
Our understanding of the evolutionary transitions leading to the modern endothermic state of birds and mammals is incomplete, partly because tools available to study the thermophysiology of extinct vertebrates are limited.
Cerling, Thure E.   +13 more
core   +3 more sources

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