Results 51 to 60 of about 2,637 (171)
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
Maintenance of a scavenger ancient food web in insular remote areas
Vultures are among the most endangered bird species, and changes in their feeding habits due to human activities pose a significant threat to their survival. We studied aspects of the trophic ecology of Andean Condors (Vultur gryphus) in Tierra del Fuego,
Ulises Balza +4 more
doaj +1 more source
Increasing populations of the Black Vulture, Coragyps atratus (Bechstein, 1793) and the capacity this bird has to live near humans has resulted in vulture-human conflicts.
Weber G. Novaes, Renato Cintra
doaj +1 more source
A case of partial leucism in the American Barn Owl (Tyto furcata) (Temminck, 1827), from Buenos Aires province, Argentina [PDF]
The diverse colorations of a birds’ plumage are due to either structural colors or pigments that are synthesized in specialized cells or incorporated through the diet.
Chiale, Maria Cecilia +1 more
core
Comparison of eye morphology and retinal topography in two species of new world vultures (Aves: Cathartidae) [PDF]
ABSTRACTVultures are highly reliant on their sensory systems for the rapid detection and localization of carrion before other scavengers can exploit the resource. In this study, we compared eye morphology and retinal topography in two species of New World vultures (Cathartidae), turkey vultures (Cathartes aura), with a highly developed olfactory sense,
Lisney, Thomas J. +5 more
openaire +3 more sources
ABSTRACT Aim We evaluate the potential consequences of climate change on the Caatinga Dry Forest, asking how the future climate would affect its avifauna under three different carbon emission scenarios. First, we evaluate potential climate‐induced distributional changes.
Victor Leandro‐Silva +2 more
wiley +1 more source
Foram avaliadas 7 espécies da mastofauna e 36 da avifauna quanto à prevalência e intensidade de infestação por carrapatos na ESALQ/USP, no Município de Piracicaba, SP.
Carlos Alberto Perez +10 more
doaj +1 more source
Primer registro documentado del Esparvero variado (Accipiter bicolor) para la provincia de Buenos Aires, Argentina [PDF]
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
Molecular sex identification in birds of prey [PDF]
[Resumen] La correcta identificación del sexo de los animales es de vital importancia para la gestión y conservación de la fauna. En el caso de las aves, el sexado a partir de rasgos fenotípicos resulta complicado o imposible en numerosas ocasiones ...
Caeiro Aguado, Manuel
core
The helminthological survey of 13 specimens of 5 ciconiiform species revealed the presence of 10 species of intestinal digeneans: Sphincterodiplostomum musculosum Dubois, 1936 in Tigrisoma lineatum and Ardea alba; Tylodelphys elongata (Lutz, 1928) in T ...
Fabiana B. Drago, Lía I. Lunaschi
doaj

