Results 61 to 70 of about 7,832 (161)

Climate Change in the Brazilian Cerrado: A Looming Threat to Terrestrial Biodiversity

open access: yesWIREs Climate Change, Volume 16, Issue 5, September/October 2025.
Due to climate change, the Brazilian Cerrado, a global biodiversity hotspot, is becoming hotter and drier, with longer and more intense dry seasons. This alters biodiversity by altering plant physiology, ecological interactions, and species distribution, creating more homogeneous and less diverse communities.
Gabriel S. Hofmann   +14 more
wiley   +1 more source

Análisis morfométrico del surco nasal en aves [PDF]

open access: yes, 2010
Fil: Ibáñez, Lucía Mariel. Campus Universitario Florencio Varela, División Zoología Vertebrados, Sección Ornitología; ArgentinaFil: Tambussi, Claudia Patricia.
Acosta Hospitaleche, Carolina   +2 more
core  

Sobre la importancia de la certificación internacional para los anilladores de aves en Perú

open access: yesRevista Peruana de Biología, 2019
La certificación como anillador de aves consiste en validar el nivel de conocimiento y experiencia de personas frente a un estándar consolidado de trabajo en el ejercicio de la captura, anillado, manejo, y liberación de aves, con el fin de promover la ...
Alexis Díaz   +7 more
doaj   +1 more source

The greater rhea (Rhea americana) and guaycurúes in the 18th century: an historical- ethnobiological approach in the Argentinean Gran Chaco [PDF]

open access: yes, 2016
El ñandú (Rhea americana) es un ave endémica del territorio sudamericano. Su aparición en los documentos históricos es extensa y muestra que se encontraba en abundancia en la antigüedad. Por ello, distintas sociedades le han atribuido gran importancia en
Medrano, María Celeste   +1 more
core  

Specialization on bamboo by Neotropical birds [PDF]

open access: yes, 2013
Ornithologists have long marveled at the many species of neotropical forest birds found in close association with woody bamboos (Poaceae: Bambuseae). Over 400 species of woody bamboos occur in the neotropics, a total second only to southeast Asia, which ...
Areta, Juan Ignacio   +1 more
core   +2 more sources

The role of insularity: Plants have few ornithophilous traits but are visited by morphologically more distinct hummingbirds in the Caribbean islands

open access: yesFunctional Ecology, Volume 39, Issue 7, Page 1678-1692, July 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Functional traits determine interactions between plants and pollinators, and to increase pollination efficiency, many plants have evolved traits to attract specific pollinator groups. However, biogeographical setting may influence trait evolution and biotic interactions.
Maximillian G. R. Vollstädt   +46 more
wiley   +1 more source

Small mammals predated by the common Barn-owl (Tyto alba) in the Chaco Seco ecoregion in northwestern Argentina [PDF]

open access: yes, 2012
Los hábitos tróficos de la Lechuza de Campanario (Tyto alba) han sido ampliamente estudiados en el centro y sur de Argentina. Sin embargo, en el noroeste los estudios son escasos.
Fontanarrosa, Gabriela   +3 more
core   +2 more sources

Atti del XV Convegno Italiano di Ornitologia. Sabaudia, 14-18 ottobre 2009

open access: yesRivista Italiana di Ornitologia - Research in Ornithology, 2012
Brunelli M., Battisti C., Bulgarini F., Cecere J.C., Fraticelli F., Gustin M., Sarrocco S. & Sorace A. (a cura di), 2009 - Atti del XV Convegno Italiano di Ornitologia. Sabaudia, 14-18 ottobre 2009 - Alula, XVI (1-2): 1-836.
Stefania Lotti
doaj   +1 more source

The relationship between the feather tuft of the uropygial gland and terrestrial/aquatic birds [PDF]

open access: yes, 2013
The bird´s uropygial gland has a papilla in its caudal end and it can also show a feather tuft. These feathers may have a raquis or not. The purpose of our study was to compare the number, dimensions and types of the tuft´s feathers in aquatic and ...
Chiale, Maria Cecilia, Montalti, Diego
core   +1 more source

Cigüeñas y grullas: un intento de comprender una etología propia mediante el concepto de la filopatría

open access: yesANIAV
Este artículo analiza la investigación artística desarrollada en el proyecto Algunos esfuerzos por entender el concepto de la filopatría (o aquella cualidad según la cual algunos animales volvemos continuamente nuestro lugar de origen).
Juan José del Junco González
doaj   +1 more source

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