Results 11 to 20 of about 1,377 (205)

Investigating ecological impacts of the non-native population of rose-ringed parakeets (Psittacula krameri) in the UK [PDF]

open access: green, 2014
The rose-ringed parakeet has been present in the South East of England since at least the 1970s. However, there is little understanding about the impact that this exotic, gregarious bird has on native wildlife and therefore whether anything should or can
Peck, Hannah Louise
core   +3 more sources

High Prevalence of Novel Beak and Feather Disease Virus in Sympatric Invasive Parakeets Introduced to Spain From Asia and South America [PDF]

open access: yesDiversity, 2020
The psittacine beak and feather disease (PBFD) is a globally widespread infectious bird disease that mainly affects species within the Order Psittaciformes (parrots and allies).
Francisco Morinha   +3 more
doaj   +3 more sources

Psittacid herpesvirus 3 infection in rose-ringed parakeets in southern Brazil [PDF]

open access: bronzeJournal of Veterinary Diagnostic Investigation, 2020
We diagnosed disease caused by psittacid herpesvirus 3 (PsHV-3), a novel psittacid pathogen, in rose-ringed parakeets ( Psittacula krameri) housed in an exotic psittacine breeding colony in southern Brazil. The disease affected several adult birds. Clinical signs included apathy, tachypnea, and wheezing.
Laurete Murer   +6 more
openalex   +3 more sources

Urban Foraging and Plant Toxicological Risks for Rose-Ringed Parakeets (Psittacula krameri) in Athens [PDF]

open access: goldDiversity
The Rose-ringed Parakeet (Psittacula krameri) is an invasive parrot increasingly established in European cities, including Athens, Greece, yet its diet and exposure to plant toxins in Mediterranean ecosystems remain poorly documented.
Mathis A. B. Christodoulopoulos   +7 more
doaj   +2 more sources

Sexing and ageing Rose‐ringed ParakeetsPsittacula krameriin Britain [PDF]

open access: bronzeRinging & Migration, 2004
Although Rose‐ringed Parakeets Psittacula krameri over three years old can easily be sexed due to the males’ rose‐coloured neck‐rings and black bibs, sexually immature males and females are considered impossible to separate in the hand. The biometrics of males and females overlap but males tend to be slightly larger than females in all measurements. We
Christopher J. Butler, Andrew Gosler
openalex   +2 more sources

Status of the rose-ringed parakeet Psittacula krameri in Lisbon, Portugal

open access: yesBiologia (Poland), 2016
This research was supported by the COST Action ES1304 (‘ParrotNet’) that provided networking and funds for the visit to Lisbon with a Short Term Scientific Mission of one of the authors.
Alvaro Luna, Miguel Monteiro, Luis Reino
exaly   +3 more sources

Parrots in the wild in Polish cities. [PDF]

open access: yesPLoS ONE
Amateur 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

Returning to the Wilderness: Potential Habitat Suitability of Non-Native Pet Birds in South Africa [PDF]

open access: yesBiology
The global trade of non-native pet birds has increased in recent decades, and this has accelerated the introduction of invasive birds in the wild. This study employed ensemble species distribution modelling (eSDM) to assess potential habitat suitability ...
Tinyiko C. Shivambu   +5 more
doaj   +2 more sources

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