Results 51 to 60 of about 5,670 (195)

The influence of separation on the pair bond in budgerigars (Melopsittacus undulatus; Aves, Psittacidae [PDF]

open access: yes, 1976
Trillmich F. The influence of separation on the pair bond in budgerigars (Melopsittacus undulatus; Aves, Psittacidae. Zeitschrift für Tierpsychologie.
Trillmich, Fritz ; https://orcid.org/
core  

Primer registro de la cotorra argentina (Myiopsitta monachus) en Baja California Sur, México

open access: yesHuitzil, 2012
La cotorra argentina (Myiopsitta monachus) es un ave de la familia Psittacidae que se distribuye de manera nativa en Sudamérica, con poblaciones asilvestradas en otros países fuera de su distribución original.
Patricia Galina-Tessaro   +4 more
doaj   +1 more source

Positional Behavior of Introduced Monk Parakeets (Myiopsitta monachus) in an Urban Landscape

open access: yesAnimals, 2022
Positional behaviors have been broadly quantified across the Order Primates, and in several other mammalian lineages, to contextualize adaptations to, and evolution within, an arboreal environment.
Michael C. Granatosky   +19 more
doaj   +1 more source

Spatial proximity and mate-specific behaviour in a flock of budgerigars (Melopsittacus undulatus; Aves, Psittacidae) [PDF]

open access: yes, 1976
Trillmich F. Spatial proximity and mate-specific behaviour in a flock of budgerigars (Melopsittacus undulatus; Aves, Psittacidae). Zeitschrift für Tierpsychologie.
Trillmich, Fritz ; https://orcid.org/
core  

Nuevas aberraciones de plumaje en aves paraguayas no passeriformes y la definición de una nueva aberración de plumaje única a Psittacidae [PDF]

open access: yes, 2017
Anomalous plumage colourations are reported for three species of non-passerine birds from Paraguay, Limpkin (Aramaus guarauna; Aramidae), Nanday Parakeet (Nandayus nenday; Psittacidae), and the Little Woodpecker (Veniliornis passerinus; Picidae).
Smith, Paul, Ríos, Sergio D.
core   +1 more source

A review of the genus Forficuloecus Conci (Phthiraptera: Philopteridae) from parrots (Psittaciformes: Psittacidae), with descriptions of four new species

open access: yes, 2008
Price, Roger D., Johnson, Kevin P., Palma, Ricardo L. (2008): A review of the genus Forficuloecus Conci (Phthiraptera: Philopteridae) from parrots (Psittaciformes: Psittacidae), with descriptions of four new species.
Price, Roger D.   +2 more
core   +1 more source

Lovebird image classification based on convolutional neural network

open access: yesTeknika, 2023
Lovebird is a type of bird from the Psittacidae family, consisting of 90 generations. One of them is the genus Agapornis Selby or Lovebird, which has 9 species.
Amelia Gizzela Sheehan Auni   +3 more
doaj   +1 more source

Vector‐borne diseases‐knowledge maps

open access: yesEFSA Journal, Volume 24, Issue 5, May 2026.
Abstract This scientific report provides a structured overview of the main characteristics of 25 selected vector‐borne diseases (VBDs) of potential relevance for the EU, including 12 diseases listed under the Animal Health Law (AHL) and 13 non‐listed diseases.
European Food Safety Authority (EFSA)   +7 more
wiley   +1 more source

Presence of a Human Diarrheagenic Escherichia coli Clone in Captivity Kept Psittacidaes [PDF]

open access: yesThe Open Microbiology Journal, 2011
Bacterial cultures of cloaca swabs from 86 captivity kept psittacidaes revealed 17 Escherichia coli bearing birds sharing strains which, on the basis of enterobacterial repetitive intergenic consensus (ERIC) PCR analysis, proved to be genetically similar. Further, triplex PCR specific for the
Marietto-Gonçalves, Guilherme A.   +2 more
openaire   +4 more sources

Reappraisal of the parrots (Aves: Psittacidae) from the Mascarene Islands, with comments on their ecology, morphology, and affinities

open access: yes, 2007
HUME, JULIAN PENDER (2007): Reappraisal of the parrots (Aves: Psittacidae) from the Mascarene Islands, with comments on their ecology, morphology, and affinities.
HUME, JULIAN PENDER
core   +1 more source

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