Results 61 to 70 of about 2,703 (197)

Maintenance of a scavenger ancient food web in insular remote areas

Perspectives in Ecology and Conservation
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, Samanta Dodino, Sergio A. Lambertucci, Alejandro Kusch, Andrea Raya-Rey   +4 more
doaj   +1 more source

Carrapatos do gênero amblyomma (acari: ixodidae) e suas relações com os hospedeiros em área endêmica para febre maculosa no Estado de São Paulo Ticks of genus Amblyomma (Acari: Ixodidae) and their relationship with hosts in endemic area for spotted fever in the state of São Paulo

Revista Brasileira de Parasitologia Veterinária, 2008
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, Álvaro Fernando de Almeida, Alexandre Almeida, Victor Hugo Barbosa de Carvalho, Daniele do Carmo Balestrin, Murilo Saraiva Guimarães, Julio C. Costa, Leonardo Adriano Ramos, Ana Dulce Arruda-Santos, Clarice Pinto Máximo-Espíndola, Darci Moraes Barros-Battesti   +10 more
doaj   +1 more source

Wintering avifauna of Chaco and pantanal habitats in Bahí­a Negra (Northern Paraguay) [PDF]

, 2005
Se estudió la avifauna de hábitats típicos de dos ecorregiones, el Pantanal y el Chaco, en el norte de Paraguay (departamento de Alto Paraguay) mediante transectas y observaciones puntuales.
Padial, José M., Tierno de Figueroa, J. Manuel   +1 more
core   +1 more source

A phylogeny of birds based on over 1,500 loci collected by target enrichment and high-throughput sequencing [PDF]

, 2012
Evolutionary relationships among birds in Neoaves, the clade comprising the vast majority of avian diversity, have vexed systematists due to the ancient, rapid radiation of numerous lineages.
Brumfield, Robb T., Crawford, Nicholas G., Faircloth, Brant C., Glenn, Travis C., Harvey, Michael G., McCormack, John E.   +5 more
core   +5 more sources

La colección de huevos "Pablo Girard" del Museo de La Plata [PDF]

, 2014
Se presenta información sobre la colección de huevos "Pablo Girard" que forma parte de la Colección Ornitológica del Museo de La Plata (División Zoología de Vertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata).
Bogado, Natalia, Darrieu, Carlos A., Montalti, Diego, Segura, Luciano N.   +3 more
core   +1 more source

Digenean parasites of Ciconiiform birds from Argentina Digéneos parásitos de aves Ciconiiformes de Argentina

Revista Mexicana de Biodiversidad, 2011
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  

Fire Effects on Bird Communities From Seasonally Flooded Forests Along Amazonian Black Water Rivers of the Negro River Basin

Diversity and Distributions, Volume 31, Issue 5, May 2025.
ABSTRACT Aim Fire significantly contributes to Amazonian degradation, with igapó forests (seasonally flooded by blackwater rivers) being especially vulnerable. Igapó forests support species adapted to seasonal flooding, making fire a critical threat to these specialised organisms.
C. Valentim, J. M. G. Capurucho, P. E. D. Bobrowiec, G. A. Leite, G. M. Martins, J. Schöngart, C. C. Ribas   +6 more
wiley   +1 more source

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

, 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  

Non‐Ingested Scapulae and Mandibles Accumulated in Nests by Bearded Vultures (Gypaetus barbatus) in Corsica: A Neo‐Taphonomic Analysis

International Journal of Osteoarchaeology, Volume 35, Issue 2, March/April 2025.
ABSTRACT The bearded vulture (Gypaetus barbatus) is a scavenger and bone‐eating vulture that also transports bones to the nest to feed the nestlings. Bones found at nests are characterized by the accumulation of small‐ to medium‐sized ungulates, a high number of third and second phalanges and digestive corrosion marks on regurgitated bones.
Montserrat Sanz, Isabelle Attard, Joan Daura, Jean‐Denis Vigne   +3 more
wiley   +1 more source

Evolution and phylogeny of birds - Taxonomic consequences [PDF]

, 2012
Nucleotidsequenzen von mitochondrialen und nucleären Markergenen eignen sich hervorragend, um die Phylogenie und Evolution der Vögel zu untersuchen. Eine kürzlich publizierte Analyse mit 19 Kerngenen (Hackett et al.
Wink, Michael
core