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parrot : any of numerous widely distributed tropical birds (order Psittaciformes and especially family Psittacidae) that are often crested and brightly colored, have a distinctive stout hooked bill and zygodactyl feet, and include some excellent mimics — Webster
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Parrots, also known as psittacines, are birds of the roughly 393 species in 92 genera that make up the order Psittaciformes, found in most tropical and subtropical regions. The order is subdivided into three superfamilies: the Psittacoidea (“true” parrots), the Cacatuoidea (cockatoos), and the Strigopoidea (New Zealand parrots). Parrots have a generally pantropical distribution with several species inhabiting temperate regions in the Southern Hemisphere, as well. The greatest diversity of parrots is in South America and Australasia.
Characteristic features of parrots include a strong, curved bill, an upright stance, strong legs, and clawed zygodactyl feet. Many parrots are vividly coloured, and some are multi-coloured. Most parrots exhibit little or no sexual dimorphism in the visual spectrum. They form the most variably sized bird order in terms of length. The most important components of most parrots’ diets are seeds, nuts, fruit, buds, and other plant material. A few species sometimes eat animals and carrion, while the lories and lorikeets are specialised for feeding on floral nectar and soft fruits. Almost all parrots nest in tree hollows (or nest boxes in captivity), and lay white eggs from which hatch altricial (helpless) young.
Parrots, along with ravens, crows, jays, and magpies, are among the most intelligent birds, and the ability of some species to imitate human voices enhances their popularity as pets. Trapping wild parrots for the pet trade, as well as hunting, habitat loss, and competition from invasive species, has diminished wild populations, with parrots being subjected to more exploitation than any other group of birds. — Wikipedia
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Parrots, songbirds pack more neurons into their forebrains than most mammals (Devi Shastri, Science Magazine)
Bird brains are dense—with neurons (John Timmer, Ars Technica)
The Secret Behind Birds’ Brainy Feats Revealed (Tia Ghose, Live Science)
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Macaw and Parrot Clay Licks (Go Tambopata)
About Tambopata National Reserve (Go Tambopata)
Tambopata National Reserve (Wikipedia)
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Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.
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Habitat destruction by logging and agriculture is pushing parrot species towards extinction, while current protected areas are failing to mitigate these effects, according to new research.
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- New study could offer helping hand for picky...on December 11, 2020 at 2:50 pm
New research has shown just how picky the iconic superb parrot is about the types of tree hollows they nest in, with the discovery potentially key to protecting the threatened species.
- Human reproductive technologies like sperm...on December 4, 2020 at 1:46 pm
More and more threatened species are relying on captive breeding to avoid extinction. Some species on the brink only exist in captivity, and others depend on captive breeding for their recovery before they're released to the wild.