Results 61 to 70 of about 8,651 (187)

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  

Plasma metabolites reflect seasonally changing metabolic processes in a long-distance migrant shorebird (Calidris canutus) [PDF]

open access: yes, 2002
Migrant birds have tightly scheduled annual cycles consisting of several distinct life cycle (sub-)stages such as reproduction, migration, moult and overwintering, each of which have specific metabolic requirements (e.g., fattening during migration ...
Jenni, Lukas,   +2 more
core   +2 more sources

Avian influenza virus ecology in wild birds of Western Siberia

open access: yesAvian Research, 2017
Background The aim of the study was to explore the ecological diversity of wild birds in Siberia, which are the natural reservoir of avian influenza virus (AIV). Methods Cloacal swabs and intestinal fragments were collected from wild migratory birds from
K. A. Sharshov   +9 more
doaj   +1 more source

Avian influenza infections in non-migratant land birds in Andean Peru [PDF]

open access: yes, 2012
As part of ongoing surveillance for avian influenza viruses (AIV) in Peruvian birds, in June 2008, we sampled 600 land birds of 177 species, using real-time reverse-transcription PCR.
Ghersi, Bruno M.   +5 more
core   +2 more sources

A Tóközi-berek (Zamárdi) madártani felmérése [PDF]

open access: yes, 2015
Tóközi-berek (marsh) is located in Hungary at the southern shore of Lake Balaton, near Zamárdi. In this paper we present the faunistic results of ornithological surveys between 2007-2010 and 2012-2013.
Jakus, László, Kovács, Gyula
core   +2 more sources

Investigation of parental care in avocets from the perspectives of behavioural ecology and conservation biology [PDF]

open access: yes, 2002
This research encompasses both basic (behavioural ecology) and applied (conservation biology) aspects of the biology of Avocets (Recurvirostra avosetta L.).
Lengyel, Szabolcs
core  

ECOLOGICAL DIVERSITY OF WILD BIRDS - NATURAL RESERVOIR OF INFLUENZA A VIRUSES IN THE SOUTH OF WESTERN SIBERIA

open access: yesЮг России: экология, развитие, 2017
The aim is to explore the ecological diversity of wild birds in Siberia, which are carriers of the Avian Influenza Virus (AIV).Methods. Biological material in the form of cloacal swabs and intestinal fragments from wild migratory birds were collected in ...
K. A. Sharshov   +3 more
doaj   +1 more source

The Problem of Specific and Subspecific Status and Morphologic Deviation in the Ancient Murrelet Synthliborhamphus Antiquus (Gmelin) [PDF]

open access: yes, 1952
Author Institution: Department of Zoology and Entomology, The Ohio State University, Columbus ...
Glenny, Fred H.
core  

Inventario de avifauna del norte de Entre Ríos, Argentina: registros notables y perspectivas de conservación [PDF]

open access: yes, 2018
Biodiversity inventories remain fundamental tools for biodiversity conservation. Neotropical biota has poor faunal inventories. In Argentina, the avifauna of the province of Entre Ríos is still not well known.
Dardanelli, Sebastián   +2 more
core   +2 more sources

High Prevalence and Putative Lineage Maintenance of Avian Coronaviruses in Scandinavian Waterfowl.

open access: yesPLoS ONE, 2016
Coronaviruses (CoVs) are found in a wide variety of wild and domestic animals, and constitute a risk for zoonotic and emerging infectious disease. In poultry, the genetic diversity, evolution, distribution and taxonomy of some coronaviruses have been ...
Michelle Wille   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy