Results 1 to 10 of about 5,323 (207)

Core and Shell Song Systems Unique to the Parrot Brain

open access: yesPLoS ONE, 2015
The ability to imitate complex sounds is rare, and among birds has been found only in parrots, songbirds, and hummingbirds. Parrots exhibit the most advanced vocal mimicry among non-human animals.
Torben Dabelsteen   +2 more
exaly   +2 more sources

Parrots Eat Nutritious Foods despite Toxins [PDF]

open access: yesPLoS ONE, 2012
Generalist herbivores are challenged not only by the low nitrogen and high indigestibility of their plant foods, but also by physical and chemical defenses of plants.
James D Gilardi, Catherine A Toft
exaly   +2 more sources

A conservação da Ararinha-azul, Cyanopsitta spixii (Wagler, 1832)

open access: yesBiodiversidade Brasileira, 2021
A ararinha-azul (Cyanopsitta spixii) é o único representante do seu gênero e hoje é considerada provavelmente extinta na natureza. O manejo ex situ é prioridade na estratégia de conservação desde o início da década de 90, sendo um exemplo de parceria ...
Camile Lugarini   +4 more
doaj   +1 more source

An association between feather damaging behavior and corticosterone metabolite excretion in captive African grey parrots (Psittacus erithacus) [PDF]

open access: yesPeerJ, 2016
Background African grey parrots (Psittacus erithacus) are kept as pets and are frequently hand-reared. It has been observed that hand-reared African grey parrots may develop behavioral disorders such as feather damaging behavior (FDB).
Pierluca Costa   +6 more
doaj   +2 more sources

A survey of vocal mimicry in companion parrots

open access: yesScientific Reports, 2022
Parrots are one of the rare animal taxa with life-long vocal learning. Parrot vocal repertoires are difficult to study in the wild, but companion parrots offer a valuable data source.
Lauryn Benedict   +3 more
doaj   +1 more source

Wildlife Trade Influencing Natural Parrot Populations on a Biodiverse Indonesian Island

open access: yesDiversity, 2021
Indonesia has been identified as the highest priority country for parrot conservation based on the number of species, endemics, and threats (trapping and smuggling).
Dudi Nandika   +3 more
doaj   +1 more source

Psittacine beak and feather disease virus and avian polyomavirus detection rate in clinically healthy captive birds in the Czech Republic

open access: yesVeterinární Medicína, 2021
The aim of this study was to document the detection rate of the beak and feather disease virus (BFDV) and avian polyomavirus (APV) across clinically healthy captive parrots in the Czech Republic. The presence of the BFDV and APV was tested using a nested
Michaela Valastanova   +3 more
doaj   +1 more source

Trade in African Grey Parrots for Belief-Based Use: Insights From West Africa's Largest Traditional Medicine Market

open access: yesFrontiers in Ecology and Evolution, 2021
Over 1.2 million wild-sourced African Grey parrots (Psittacus erithacus) have reportedly been traded internationally since the 1970s, the majority of which were taken from the wild with serious implications for conservation, animal welfare, and ...
Délagnon Assou   +14 more
doaj   +1 more source

Exotic parrots breeding in urban tree cavities: nesting requirements, geographic distribution, and potential impacts on cavity nesting birds in southeast Florida

open access: yesAvian Research, 2019
Background Exotic parrots have established breeding populations in southeast Florida, including several species that nest in tree cavities. We aimed to determine the species identity, nest site requirements, relative nest abundance, geographic ...
Joshua M. Diamond, Michael S. Ross
doaj   +1 more source

Image Classification of Amazon Parrots by Deep Learning: A Potentially Useful Tool for Wildlife Conservation

open access: yesBiology, 2022
Parrots play a crucial role in the ecosystem by performing various roles, such as consuming the reproductive structures of plants and dispersing plant seeds. However, most are threatened because of habitat loss and commercial trade.
Jung-Il Kim   +2 more
doaj   +1 more source

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