Results 11 to 20 of about 365 (157)

Chondroma in an Indian ring neck parrot (Psittacula krameri manillensis): A case report [PDF]

open access: yesVeterinary World, 2013
[Vet World 2013; 6(4.000): 223-225]
S. K. Panda   +3 more
doaj   +2 more sources

Spatial and Temporal Trends in the Invasion Dynamics of the Ring-Necked Parakeet (Psittacula krameri) in the Urban Complex of Thessaloniki, Greece [PDF]

open access: yesAnimals
Invasive alien species pose a major threat to global biodiversity, especially within Europe. Understanding their spatial and temporal dynamics is essential for effective management planning and implementation. The ring-necked parakeet (Psittacula krameri,
Charalambos T. Thoma   +2 more
doaj   +2 more sources

Multi-layer networks reveal changes in plant-bird interactions driven by invasive species [PDF]

open access: yesCommunications Biology
Biological 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

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

An Influx of Non-Native Bird Species into the Natural Environment Owing to the Accidental Release of Pet Birds in Japan [PDF]

open access: yesAnimals
The 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

Psittacula krameri subsp. krameri [PDF]

open access: yesBiological Journal of the Linnean Society, 2022
Psittacula krameri krameri (Scopoli, 1769) LITERATURE. — Bannerman (1931); Green & Sayer (1979); Holyoak & Seddon (1989); Thonnérieux et al. (1989); Aimassi & Levi (1993); Dowsett (1993); Balanca & de Visscher (1997); Mauvais (1998); Borrow & Demey (2001, 2014); Portier (2002c); Söderström et al. (2003); Thiollay (2006a); Balanca et al.
Boano, Giovanni   +6 more
  +9 more sources

The Number and Distribution of Introduced and Naturalized Parrots

open access: yesDiversity, 2021
Parrots have been transported and traded by humans for at least the last 2000 years and this trade continues unabated today. This transport of species has involved the majority of recognized parrot species (300+ of 382 species).
Carlos E. Calzada Preston   +1 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

Purification, crystallization and preliminary X-ray diffraction studies of parakeet (Psittacula krameri) haemoglobin [PDF]

open access: yesActa Crystallographica Section F: Structural Biology Communications, 2009
A B Mandal, Arumugam V
exaly   +2 more sources

Population counts and potential impact of two successful invaders in a town of Northern Italy: the case of ring-necked parakeet and Alexandrine parakeet in Reggio Emilia

open access: yesNatural History Sciences, 2021
In our paper, we reported the presence of two alien species in the city of Reggio Emilia, the ring-necked parakeet Psittacula krameri and the Alexandrine parakeet Psittacula eupatria.
Andrea Viviano, Emiliano Mori
doaj   +1 more source

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