Results 61 to 70 of about 260 (140)

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

Conservation 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, Irene Bueno, Lucas Gelid, Juan Manuel Grande   +3 more
wiley   +1 more source

The Corneal Structure of the Yellow‐Legged Gull, Larus michahellis (Naumann, 1840)

Journal of Morphology, Volume 285, Issue 12, December 2024.
This study examines the cornea of Larus michahellis using light and electron microscopy, revealing essential structural details. The corneal epithelium is a nonkeratinized, stratified layer with microridges and microvilli that improve optical properties.
R. Cobo, A. Navarro‐Sempere, P. Mielgo, Y. Segovia, M. García   +4 more
wiley   +1 more source

Plasmodium spp. and Haemoproteus spp. infection in birds of the Brazilian Atlantic Forest detected by microscopy and polymerase chain reaction

Pesquisa Veterinária Brasileira, 2015
In recent years haemosporidian infection by protozoa of the genus Plasmodium and Haemoproteus, has been considered one of the most important factors related to the extinction and/or population decline of several species of birds worldwide.
Raquel Tostes, Usha Vashist, Kézia K.G. Scopel, Carlos L. Massard, Erik Daemon, Marta D'Agosto   +5 more
doaj   +1 more source

Bone damage patterns found in the avian prey remains of crested caracara Caracara plancus (Aves, Falconiformes)

Journal of Archaeological Science, 2011
Abstract The following paper presents the results of the analysis of the avian prey bones found in uneaten remains of crested caracara ( Caracara plancus , Aves, Falconiformes) from La Pampa province, Argentina. Anatomical parts representation and taphonomic modifications were evaluated and compared to results of the evaluation of bone remains ...
Montalvo, Claudia Inés, Tallade, Pedro O., Fernández, Fernando Julián, Moreira, Germán J., Rafuse, Daniel Joseph, de Santi, Luciano Jose Maria   +5 more
openaire   +2 more sources

Reproductive success of South American terns (Sterna hirundinacea) from Cardos Islands, Florianópolis, SC, Brazil

Anais da Academia Brasileira de Ciências, 2012
Sterna hirundinacea (Lesson, 1831) is a migratory seabird that breeds in the Pacific Coast (from Peru to Chile) and along the Atlantic coast of South America from Espírito Santo (Brazil) to Terra del Fuego (Argentina).
Hélio A.A. Fracasso, Joaquim O. Branco
doaj  

Uso de nidos artificiales para determinar el posible impacto de cerdos silvestres (Sus scrofa) sobre especies de aves que nidifican en el suelo en Bahía Samborombón (Argentina)

Mammalogy Notes
La depredación es la principal causa del fracaso de los nidos para muchas especies de aves, especialmente para aquellas que nidifican en el suelo. El objetivo del presente trabajo fue evaluar el papel de los cerdos silvestres en la depredación de nidos ...
Bruno N. Carpinetti, Emiliano Pinardi, Gabriel Castresana, Pablo Rojas, Pablo G. Grilli, Mariano L. Merino   +5 more
doaj   +1 more source

REVIEW OF THE ACTUALISTIC TAPHONOMY OF SMALL MAMMALS INGESTED BY SOUTH AMERICAN PREDATORS. ITS IMPORTANCE IN THE INTERPRETATION OF THE FOSSIL RECORD

Publicación Electrónica de la Asociación Paleontológica Argentina, 2019
In this paper, the current state of knowledge of the taphonomic characteristics of micromammal (rodents and marsupials) remains generated by the action of the different predators (avian raptors and carnivore mammals) of South America (particularly of ...
Claudia I. Montalvo, Fernando J. Fernández   +1 more
doaj  

Anticorpos anti-Toxoplasma gondii em carcarás (Caracara plancus) procedentes da região aeroportuária do Recife, Pernambuco, Brasil

Arquivo Brasileiro de Medicina Veterinária e Zootecnia
RESUMO Objetivou-se com este estudo pesquisar a ocorrência de anticorpos anti-Toxoplasma gondii em carcarás (Caracara plancus) capturados no Aeroporto Internacional do Recife/Guararapes Gilberto Freyre, Pernambuco, Brasil.
L.T.R. Silva, J.S.A. Silva, D.C.V. Lima, V.P.M. Rolim, M.F.V. Marvulo, J.C.R. Silva, R.A. Mota, A.A.F. Oliveira   +7 more
doaj   +1 more source

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  

Identificación molecular del sexo en 9 especies de aves del Centro de Investigación en Animales Silvestres de la hidroeléctrica de ITAIPU, lado paraguayo

Memorias del Instituto de Investigaciones en Ciencias de la Salud, 2017
La importancia de determinar el sexo en especies monomórficas que viven en cautiverio conlleva a estrategias de apareamiento a fin de poder incentivar la reproducción.
Florencia del Puerto, Diana Pésole, Santiago Molina, Karen Vera, Marcela Arias, Javier Sosa, María Luisa Ortiz, José Fernández, Anastacio Garay   +8 more
doaj