Results 21 to 30 of about 34,648 (240)

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

Biology, 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, Jong-Won Baek, Chang-Bae Kim   +2 more
doaj   +1 more source

Feather picking in pet parrots: sensitive species, risk factor and ethological evidence

Italian Journal of Animal Science, 2016
The goals of this study were to estimate the prevalence of feather picking (FP) in Italian pet parrots and evaluate the risk factors and possible ethological correlation.
Pierluca Costa, Elisabetta Macchi, Laura Tomassone, Fulvio Ricceri, Enrico Bollo, Frine Eleonora Scaglione, Martina Tarantola, Michele De Marco, Liviana Prola, Domenico Bergero, Achille Schiavone   +10 more
doaj   +1 more source

Core and Shell Song Systems Unique to the Parrot Brain.

PLoS 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.
Mukta Chakraborty, Solveig Walløe, Signe Nedergaard, Emma E Fridel, Torben Dabelsteen, Bente Pakkenberg, Mads F Bertelsen, Gerry M Dorrestein, Steven E Brauth, Sarah E Durand, Erich D Jarvis   +10 more
doaj   +1 more source

Seroprevalence of Hepatitis E Virus in Four Species of Parrots in China [PDF]

Pakistan Veterinary Journal, 2014
In this study, antibodies against avian Hepatitis E Virus (avian HEV) were detected in 6.43% of examined serum samples (n=311) from budgerigars (Melopsittacus undulatus), lovebirds (Agapornis sp.), cockatiel (Nymphicus hollandicus) and Alexandrine ...
Xiao-Xuan Zhang, Nian-Zhang Zhang, Dong-Hui Zhou, Wei-Peng Tian, Ying-Tian Xu and Xing-Quan Zhu
doaj  

Local knowledge and community behavior in the exploitation of parrots in surrounding area of aketajawe lolobata national park

Biosfer, 2019
Parrots include in birds of Aves class and Psittaciformes order. In Indonesia, parrots in known by their local species names such as Nuri (true parrot), Kakatua (Cockatoo), and Perkici (Loriini).
M Nasir Tamalene, Said Hasan, K Kartika
doaj   +1 more source

Nest box placement influences occupancy by Yellow-headed (Amazona oratrix) and White-fronted (Amazona albifrons) Parrots in the pine savannas of Belize

Avian Conservation and Ecology, 2022
Supplementation of nest boxes is a common practice to increase nesting opportunities for cavity nesters, such as psittacids (i.e., parrots), many of whom are species of conservation concern.
Fabio L. Tarazona-Tubens, Fitsum Abadi, Charles R. Britt, Mario Muschamp, Martha J. Desmond   +4 more
doaj  

Plasmodium matutinum Causing Avian Malaria in Lovebirds (Agapornis roseicollis) Hosted in an Italian Zoo

Microorganisms, 2021
Avian malaria is a worldwide distributed, vector-born disease of birds caused by parasites of the order Haemosporida. There is a lack of knowledge about the presence and pathogenetic role of Haemosporida in Psittacidae.
Cristiano Cocumelli, Manuela Iurescia, Elena Lavinia Diaconu, Valentina Galietta, Caterina Raso, Carmela Buccella, Fiorentino Stravino, Francesco Grande, Letizia Fiorucci, Claudio De Liberato, Andrea Caprioli, Antonio Battisti   +11 more
doaj   +1 more source

Fast Color Quantization Using Weighted Sort-Means Clustering [PDF]

, 2009
Color quantization is an important operation with numerous applications in graphics and image processing. Most quantization methods are essentially based on data clustering algorithms.
Balasubramanian, Bing, Chang, Cheng, Dekker, Deng, Deng, Drineas, Equitz, Forgy, Gentile, Heckbert, Hu, Hu, Huang, Joy, Kanjanawanishkul, Kanungo, Kasuga, Kolen, Kuo, Linde, Lloyd, M. Emre Celebi, Orchard, Ozdemir, Papamarkos, Schaefer, Scheunders, Sirisathitkul, Wan, Xiang, Xiang, Yang, Yang   +34 more
core   +1 more source

Nesting innovations in neotropical parrots associated to anthropogenic environmental changes

Ecology and Evolution, 2023
Parrots are among the most diverse and widely distributed groups of birds and one of the most threatened bird orders mainly due to habitat loss and illegal poaching.
Pedro Romero‐Vidal, Guillermo Blanco, Fernando Hiraldo, José A. Díaz‐Luque, Álvaro Luna, Daiana Lera, Sergio Zalba, Martina Carrete, José L. Tella   +8 more
doaj   +1 more source

Reintroduction of the Extinct-in-the-Wild Spix’s Macaw (Cyanopsitta spixii) in the Caatinga Forest Domain of Brazil

Diversity
We describe efforts to reintroduce the extinct-in-the-wild Spix’s Macaw (Cyanopsitta spixii) within its historical range in eastern Brazil. Twenty captive-reared Spix’s Macaws were released, along with 15 Blue-Winged Macaws (Primolius maracana), as ...
Cromwell Purchase, Camile Lugarini, Candice Purchase, Ariane Ferreira, Ugo Eichler Vercillo, Mark L. Stafford, Thomas H. White   +6 more
doaj   +1 more source