A Comparison of Feathers and Oral Swab Samples as DNA Sources for Molecular Sexing in Companion Birds [PDF]
Animals, 2023 The early age determinism of the sex in case of monomorphic birds is very important, because most companion birds have no distinct sexual dimorphic traits.
Maria-Carmen Turcu +3 more
doaj +2 more sources
Zootaxa, 2019 The long-tailed parakeets of the genus Psittacula Cuvier, 1800 have thus far been regarded as a homogeneous and monophyletic group of parrots. We used nucleotide sequences of two genetic markers (mitochondrial CYTB, nuclear RAG-1) to reconstruct the phylogenetic relationships of Psittacula and closely related species.
Michael P, Braun +7 more
openaire +3 more sources
Multi-layer networks reveal changes in plant-bird interactions driven by invasive species [PDF]
Communications BiologyBiological invasions can strongly disrupt ecosystems, reshaping their structure and functioning. We investigate how two widespread invasive parrots –the rose-ringed parakeet Psittacula krameri and the monk parakeet Myiopsitta monachus- affect plant-bird ...
Jaume Izquierdo-Palma +5 more
doaj +2 more sources
Intersex plumage in Plum-headed Parakeet (c)
Rivista Italiana di Ornitologia - Research in OrnithologyThis note reports the first documented case of intersex plumage in a Plum-headed Parakeet from India.
Rounak Choudhary +3 more
doaj +3 more sources
Parrots in the wild in Polish cities. [PDF]
PLoS ONEAmateur breeding of parrots as pets has contributed to many species being found in areas where they never occurred in the wild, particularly in warmer regions, but also in the temperate climates of North America and Europe.
Agnieszka Ważna +4 more
doaj +2 more sources
An Influx of Non-Native Bird Species into the Natural Environment Owing to the Accidental Release of Pet Birds in Japan [PDF]
AnimalsThe escape of pet birds into the wild raises concerns about the introduction of invasive avian species. This study investigated the impact of escaped pet birds on the introduction of non-native species in Japan.
Sumiko Nishida, Wataru Kitamura
doaj +2 more sources
Not in the countryside please! Investigating UK residents’ perceptions of an introduced species, the ring-necked parakeet (Psittacula krameri) [PDF]
NeoBiotaWildlife management can generate social conflict when stakeholder perceptions of the target species are not considered. Introduced Ring-necked Parakeets (RNP) are established in the UK and have been added to the ‘general licence’ of birds that can be ...
Alessandro Pirzio-Biroli +5 more
doaj +4 more sources
Supplementary Remarks on the Genus Psittacula Brisson
The Auk, 1888 USNM ...
Robert Ridgway
openaire +3 more sources
Determination of Ophthalmic Parameters and Ocular Morphology in Ring-Necked Parakeets (Psittacula krameri). [PDF]
Vet OphthalmolABSTRACT Purpose To determine normal ophthalmic test values and to describe the ocular morphology of ring‐necked parakeets (Psittacula krameri). Materials and Methods 33 captive birds were examined, although not all tests were conducted on each bird.
Wendt FT +7 more
europepmc +2 more sources
Parental Provisioning in an Urban Apex Predator. [PDF]
Ecol EvolWe combine high‐definition webcams and citizen science to explore parental care in urban peregrine falcons from 30 locations across England between 2020 and 2023. By analysing detailed webcam footage, we quantified changes in prey type and delivery rates as chicks developed.
Drewitt EJA +3 more
europepmc +2 more sources