Results 71 to 80 of about 7,832 (161)

Reporte de albinismo en Podiceps major, Pelecanus thagus y Cinclodes fuscus y revisión de aves silvestres albinas del Perú

open access: yesRevista Peruana de Biología, 2013
Reportamos observaciones de individuos albinos en tres especies de aves peruanas, el Zambullidor Grande (Podiceps major), el Pelícano peruano (Pelecanus thagus) y el Churrete cordillerano (Cinclodes fuscus).
Miriam Torres, Irma Franke
doaj   +1 more source

The prescence of Pseudocolopteryx citreola in eastern Argentina, with comparisons of voice with other doraditos [PDF]

open access: yes, 2010
The Ticking Doradito (Pseudocolopteryx citreola) was included in P. flaviventris until a recent taxonomic revalidation. The plumages of the two species are virtually indistinguishable and so recording their vocalizations is necessary in order to identify
Doiny Cabre, Cristobal   +7 more
core  

Urbanization, environmental stabilization and temporal persistence of bird species: A view from Latin America [PDF]

open access: yes, 2018
Background. A scarcely studied consequence of urbanization is the effect of temporal stabilization of the environment on bird communities. This alteration is thought to dampen environmental variations between day and night, seasons and years, promoting a
Leveau, Lucas Matias
core   +2 more sources

Integrating intraspecific trait variability in functional diversity: An overview of methods and a guide for ecologists

open access: yesEcological Monographs, Volume 95, Issue 2, May 2025.
Abstract Variability in traits within species (intraspecific trait variability; ITV) has attracted increased interest in functional ecology, as it can profoundly influence the detection of functional trait patterns, calculations of functional diversity (FD), and assessments of ecosystem functioning. This interest stems from the recognition that species
Facundo X. Palacio   +5 more
wiley   +1 more source

Beak deformities in north Patagonian birds [PDF]

open access: yes, 2016
Within the last decade, many individuals of several bird species with abnormal and strange beaks deformationshave been reported from Alaska, United States, and from United Kingdom and Ireland.
Cueto, Víctor   +2 more
core   +1 more source

BioTIME 2.0: Expanding and Improving a Database of Biodiversity Time Series

open access: yesGlobal Ecology and Biogeography, Volume 34, Issue 5, May 2025.
ABSTRACT Motivation Here, we make available a second version of the BioTIME database, which compiles records of abundance estimates for species in sample events of ecological assemblages through time. The updated version expands version 1.0 of the database by doubling the number of studies and includes substantial additional curation to the taxonomic ...
Maria Dornelas   +484 more
wiley   +1 more source

Guía para la preparación y publicación de las contribuciones científico-técnicas en el campo de la Ornitología y de las Ciencias Naturales en general [PDF]

open access: yes, 1977
Guide for the preparation and publication of Techno-Scientific constribution in the field of Ornithology and Natural Sciences. In this guidc, the author furnishes a series of patterns and recomendations for to perform papers and comments concerning ...
Daciuk, Juan
core   +1 more source

Worldwide Soundscapes: A Synthesis of Passive Acoustic Monitoring Across Realms

open access: yesGlobal Ecology and Biogeography, Volume 34, Issue 5, May 2025.
ABSTRACT Aim The urgency for remote, reliable and scalable biodiversity monitoring amidst mounting human pressures on ecosystems has sparked worldwide interest in Passive Acoustic Monitoring (PAM), which can track life underwater and on land. However, we lack a unified methodology to report this sampling effort and a comprehensive overview of PAM ...
Kevin F. A. Darras   +580 more
wiley   +1 more source

Primer registro del frutero pechinegro Pipreola lubomirskii (Aves, Cotingidae) en la vertiente occidental de los Andes

open access: yesRevista Peruana de Biología, 2013
El frutero pechinegro, Pipreola lubomirskii, es un cotíngido registrado como raro y de distribución local en los Andes del Norte. Antes del presente registro sólo había sido reportado para la vertiente oriental del Perú y Ecuador, así como los Andes del ...
Letty Salinas   +3 more
doaj   +1 more source

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

open access: yes, 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   +3 more
core   +1 more source

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