Results 11 to 20 of about 343 (154)

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

Cryptosporidium spp. and Giardia spp. in Free-Ranging Introduced Monk Parakeets from Santiago, Chile [PDF]

open access: yesAnimals, 2021
Monk Parakeets (Myiopsitta monachus) are medium-sized parrots that due to international pet trade currently exist as invasive species in 19 countries globally.
Alejandra Sandoval-Rodríguez   +6 more
doaj   +2 more sources

Florida's Introduced Birds: Monk Parakeet (Myiopsitta monachus)

open access: yesEDIS, 2009
WEC-257, a 6-page illustrated fact sheet by Steve A. Johnson and Sam Logue, introduces this small to medium-sized member of the parrot family that has become an established non-native bird in Florida — species description, similar species, native range ...
Steve A. Johnson, Sam Logue
doaj   +8 more sources

Hindlimb myology of the monk parakeet (Aves, Psittaciformes)

open access: yesJournal of Morphology, 2014
ABSTRACTWe studied the hindlimb myology of the monk parakeet (Myiopsitta monachus). Like all parrots, it has zygodactyl feet enabling perching, climbing, hanging, moving easily among trees, and handling food. Muscles were described and weighed, and physiological cross‐sectional area (PCSA) of four flexors and one extensor was calculated.
Julieta Carril   +2 more
exaly   +4 more sources

Monk parakeets 'test the waters' when forming new relationships. [PDF]

open access: yesBiol Lett
Initiating and developing social relationships with strangers can provide fitness benefits, but it is an inherently risky process. To mitigate potential risks and develop trust, strangers may ‘test the waters’ by gradually escalating the type of social investment from low-cost to high-cost.
O'Connell CL   +3 more
europepmc   +3 more sources

Evidence for vocal signatures and voice-prints in a wild parrot [PDF]

open access: yesRoyal Society Open Science, 2023
In humans, identity is partly encoded in a voice-print that is carried across multiple vocalizations. Other species also signal vocal identity in calls, such as shown in the contact call of parrots.
Simeon Q. Smeele   +3 more
doaj   +2 more sources

Metagenomic Detection of Multiple Viruses in Monk Parakeet (Myiopsitta monachus) in Australia [PDF]

open access: yesVeterinary Medicine and Science
Background Birds are known to harbour many pathogens, including circovirus, herpesviruses, adenoviruses and Chlamydia psittaci. Some of these pose zoonotic risks, while others, such as beak and feather disease virus (BFDV), have a significant impact on ...
Babu Kanti Nath   +6 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

Liposarcoma in a Common Quail (Coturnix coturnix): A Case Report. [PDF]

open access: yesVet Med Sci
A well‐differentiated liposarcoma was identified in a common quail near the uropygial gland. Diagnosis was confirmed through histopathology ABSTRACT Introduction Liposarcoma is a rare malignant soft tissue tumour and it has only been occasionally reported in birds such as goose, parrot and falcon.
Barari M   +3 more
europepmc   +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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