Results 11 to 20 of about 22,948 (213)

Rickettsial infection in ticks infesting wild birds from two eco-regions of Argentina [PDF]

open access: yesRevista Brasileira de Parasitologia Veterinária, 2016
Several tick-borne Rickettsia species are recognized human pathogens in Argentina. Here we evaluated rickettsial infection in ticks collected on passerine birds during 2011-2012 in two eco-regions of Argentina.
Fernando Sebastián Flores   +4 more
doaj   +3 more sources

A comprehensive survey of Rhinonyssid mites (Mesostigmata: Rhinonyssidae) in Northwest Russia: New mite-host associations and prevalence data [PDF]

open access: yes, 2020
Background: Rhinonyssid mites are permanent parasites of birds that inhabit their respiratory tract. There are around 600 species described worldwide and almost all species of birds are found to have embedded rhinonyssid mites.
Dimov, Ivan   +2 more
core   +2 more sources

Evidence for West Nile Virus and Usutu Virus Infections in Wild and Resident Birds in Germany, 2017 and 2018 [PDF]

open access: yes, 2019
Wild birds play an important role as reservoir hosts and vectors for zoonotic arboviruses and foster their spread. Usutu virus (USUV) has been circulating endemically in Germany since 2011, while West Nile virus (WNV) was first diagnosed in several bird ...
Eiden, Martin   +19 more
core   +2 more sources

Human infections associated with wild birds. [PDF]

open access: yes, 2008
IntroductionWild birds and especially migratory species can become long-distance vectors for a wide range of microorganisms. The objective of the current paper is to summarize available literature on pathogens causing human disease that have been ...
Bauchinger, Ulf   +4 more
core   +1 more source

The evolution, distribution and diversity of endogenous circoviral elements in vertebrate genomes [PDF]

open access: yes, 2018
Circoviruses (family Circoviridae) are small, non-enveloped viruses that have short, single-stranded DNA genomes. Circovirus sequences are frequently recovered in metagenomic investigations, indicating that these viruses are widespread, yet they remain ...
Dennis, Tristan P.W.   +5 more
core   +1 more source

Investigating Past and Present Carpometacarpus Morphology in Mimidae: A Multi-Methods Approach to Evidence from the Guadeloupe Islands

open access: yesOpen Quaternary, 2021
Past bird communities are still under-studied in several Caribbean regions, including the Lesser Antilles. In order to improve our understanding of this area’s avifauna, we explore morphometrical variations of the carpometacarpus (CMC) within West Indies
Nicolas Jeantet   +5 more
doaj   +1 more source

Mitochondrial heteroplasmy in an avian hybrid form (Passer italiae: Aves, Passeriformes) [PDF]

open access: yes, 2019
Mitochondrial heteroplasmy is the result from biparental transmission of mitochondrial DNA (mtDNA) to the offspring. In such rare cases, maternal and paternal mtDNA is present in the same individual.
Giacalone G.   +3 more
core   +1 more source

A CRIAÇÃO DE PASSERIFORMES COMO FORMA DE PRESERVAÇÃO AMBIENTAL

open access: yesRevista Eletrônica Direito e Política, 2014
O presente artigo tem como objeto ANALISAR a importância da criação de passeriformes em cativeiro para a preservação ambiental, procurando-se destacar a efetiva e prática aplicação desta atividade como contribuição ao bem estar ambiental.
Heloise Siqueira Garcia   +1 more
doaj   +1 more source

Interacciones sociales de aves granívoras silvestres frente a comederos experimentales en el matorral semiárido del norte de Chile

open access: yesGayana, 2022
Se estudió la expresión de conductas agresivas de aves frente a comederos artificiales con semillas en una región semiárida de Chile. En ocho comederos experimentales cuantificamos 1.118 eventos de interacción social, registrándose 366 conductas ...
Matías Portflitt-Toro   +2 more
doaj  

Species traits explaining long-term abundance changes of breeding birds in farmland areas in Álava (N Spain) [PDF]

open access: yesMunibe Ciencias Naturales
In recent decades, the populations of many common bird species have greatly declined in Europe, particularly in farmland habitats. However, this decline has not affected every species, and to understand the mechanisms behind this interspecific ...
José Antonio Gainzarain   +1 more
doaj   +1 more source

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