Results 81 to 90 of about 22,948 (213)

Does beak size affect acoustic frequencies in woodcreepers? [PDF]

open access: yes, 2000
We assessed the effect of beak morphology on the acoustic structure of woodcreeper (subfamily Dendrocolaptinae) songs using a comparative analysis of independent contrasts.
Palacios, María Gabriela   +1 more
core   +1 more source

Eggshell thickness and egg morphometrics in five songbird species from the Central Valley, California

open access: yesJournal of Field Ornithology
Avian eggshell thickness is an important life history metric in birds and has broad applications across disciplines ranging from animal behavior to toxicology.
Carley R. Schacter   +4 more
doaj   +1 more source

Las Colecciones del Museo de Ciencias Naturales de la Universidad de Navarra. I. Vertebrados [PDF]

open access: yes, 2000
Se presenta el Catálogo de la Colección de Vertebrados expuesta en el Museo de Ciencias Naturales de la Universidad de Navarra. La mayor parte de la colección, de ámbito mundial, proviene de la antigua Colección del Colegio Lecároz (Navarra).
Ariño-Plana, A.H. (Arturo Hugo)   +1 more
core  

Mites of the genus Neharpyrhynchus Fain (Acariformes, Harpirhynchidae) from Neotropical birds

open access: yesZooKeys, 2011
Three new species of parasitic mites of the genus Neharpyrhynchus Fain (Acariformes, Harpirhynchidae) are described from Neotropical birds, N. chlorospingus sp. n. from Chlorospingus pileatus (Passeriformes, Emberizidae) from Costa Rica, N.
Andre Bochkov, Ivan Literak
doaj   +1 more source

Herramienta móvil para la identificación de aves por medio de su canto, para el JBUTP [PDF]

open access: yes, 2019
La Universidad Tecnológica de Pereira (UTP), cuenta con un jardín botánico (JBUTP), en este se realizan varias actividades, entre esas la observación de aves, esta actividad es efectuada por estudiantes, docentes de la universidad, también por habitantes
Gutiérrez Isaza, Felipe   +1 more
core  

Serologic evidence of west nile virus infection in birds, Tamaulipas State, México [PDF]

open access: yes, 2003
Following the introduction of West Nile virus (WNV) into North America in 1999, surveillance for WNV in migratory and resident birds was established in Tamaulipas State, northern México in December 2001.
Beaty, Barry J.   +10 more
core  

The Distribution, Migration Phenology and Spatial and Temporal Status of Hirundinidae Species in Turkey

open access: yesTrakya University Journal of Natural Sciences, 2016
In this study, the distributions, migration phenology and spatial and temporal observation status of 5 summer migrant Hirundinidae species (Riparia riparia, Ptyonoprogne rupestris, Hirundo rustica, Cecropis daurica, Delichon urbicum) in Turkey were ...
Esra Per   +2 more
doaj   +2 more sources

Presence and distribution of the spring bird comunity at the Xeresa marsh (Valencia) from 2014 to 2016 [PDF]

open access: yes, 2016
El treball mostra la presència i distribució de l'ornitofauna a la Marjal de Xeresa (València) en censos realitzats en les primaveres dels anys 2014, 2015 i 2016.
Castany Aguilella, Salvador   +1 more
core  

Description d’une nouvelle puce d’oiseau provenant du Chili (Siphonaptera : Ceratophyllidae)

open access: yesParasite, 2006
Dasypsyllus (Neornipsyllus) aedon n. sp. est décrite à partir d’exemplaires récoltés dans des nids de Passériformes (Troglodytidae et Furnariidae).
Beaucournu J.C.   +3 more
doaj   +1 more source

Hallazgo de Triatoma platensis Neiva, 1913 (Hemiptera, Triatominae) en el estado brasileño de "Rio Grande do Sul" Finding of Triatoma platensis Neiva, 1913 (Hemiptera, Triatominae) in the Brazilian State of "Rio Grande do Sul"

open access: yesRevista do Instituto de Medicina Tropical de São Paulo, 1991
Triatoma platensis Neiva 1913 (Hemiptera, Triatominae), especie ornitófila, con área de dispersión conocida en Argentina, Bolivia, Paraguay y Uruguay es notificada en un primer registro para Brasil.
Roberto Salvatella   +5 more
doaj   +1 more source

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