Results 61 to 70 of about 1,666 (171)

Lost companions: a new quill mite species and its possible coextinction with the Carolina parakeet

open access: yesParasitology
Investigations of the parasites associated with extinct avian species provide unique insights into the ecology and evolution of both hosts and their parasitic counterparts. In the present paper, a new quill mite species, Peristerophila conuropsis sp. n.,
Maciej Skoracki   +3 more
doaj   +1 more source

Isolamento de Salmonella spp. e Escherichia coli de psittaciformes: relevância em saúde pública

open access: yesArquivos do Instituto Biológico, 2016
RESUMO: O tráfico de animais selvagens consiste numa atividade ilegal exercida em diversas partes do mundo, e o Brasil, em função de sua grande extensão territorial e vasta biodiversidade, é um país bastante atingido por essa prática.
Elisângela de Souza Lopes   +7 more
doaj   +1 more source

The Evolution of Masturbation in Birds

open access: yesEcology and Evolution, Volume 16, Issue 6, June 2026.
Masturbation has been sporadically documented across animal groups, yet the evolutionary origins and persistence of this sexual behaviour are largely unexplored. Through combining targeted surveys with published accounts, we test hypotheses about why masturbation occurs using a phylogenetically broad dataset on the presence or absence of masturbation ...
Chloe Heys   +3 more
wiley   +1 more source

Chromosomal Evolution in Psittaciformes. Revisited

open access: yesInternational Journal of Biology, 2016
<p class="1Body">With colourful plumage, charismatic character and vocal learning abilities, parrots are one of the most striking and recognizable bird groups. Their attractiveness has drawn human attention for centuries, and members of the Psittaciformes order were, also, among the first avian species to be subject to cytogenetic studies which ...
A. Villa Rus   +6 more
openaire   +1 more source

Detection and Characterization of ESBL‐Producing and Carbapenem‐Resistant Klebsiella pneumoniae in Ornamental Birds and Their Surrounding Environments

open access: yesMicrobiologyOpen, Volume 15, Issue 3, June 2026.
Multidrug‐resistant ESBL‐ and carbapenem‐resistant Klebsiella pneumoniae were identified from ornamental birds, their handlers and surrounding environments, carrying key virulence and resistant genes, highlighting potential One Health transmission risks between animals, humans and the associated environments.
Md Abdullah Evna Hasan   +14 more
wiley   +1 more source

Free Flight Training as a Tool for Psittacine Reintroductions

open access: yesBirds
As habitat loss and other threats accelerate, ecological restoration and reintroduction science are becoming progressively more important. The psittacines are among the most endangered bird groups and are prime candidates for restoration through ...
Donald J. Brightsmith   +3 more
doaj   +1 more source

An overview of the oldest and most comprehensive avifauna of the early Eocene British London Clay

open access: yesPapers in Palaeontology, Volume 12, Issue 3, May/June 2026.
Abstract Early Eocene birds from the British London Clay have been known for two centuries, but a comprehensive understanding of the avifauna of the London Clay Formation is still in its infancy. In the present study, the bird assemblage of the Walton Member is reviewed, which represents one of the oldest subdivisions of the formation.
Gerald Mayr
wiley   +1 more source

What they do in the shadows: partial nocturnality in a large forest parrot

open access: yesJournal of Field Ornithology
Approximately 97% of all bird species are considered diurnal, although diel activity patterns of birds may be more flexible than previously believed. Much remains unknown about nocturnal activity in typically diurnal birds, which may result in potential ...
Tirth Vaishnav   +2 more
doaj   +1 more source

Reovirus infections associated with high mortality in psittaciformes in The Netherlands

open access: yesAvian Pathology, 2007
In The Netherlands between January 2002 and December 2004, numerous psittaciformes died showing severe splenomegaly and hepatomegaly with multifocal acute necrosis. At the start of the outbreaks mostly parakeets were affected, but later larger parrots were also involved.
van den Brand, Judith M A   +4 more
openaire   +3 more sources

Global research effort in Psittaciformes population genetics: Identifying geographic and taxonomic conservation gaps

open access: yesGlobal Ecology and Conservation
The order Psittaciformes, comprising macaws, parrots, and parakeets, represents one of the most globally threatened bird groups, facing severe impacts from habitat loss, illegal trade, and climate change.
Ana Carolina Petri Gonçalves   +4 more
doaj   +1 more source

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