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Tree of Life
Plant Flower, Tree
Invertebrate Octopus, Ant, Bee, Butterfly, Spider, Lobster
Vertebrate Fish, Seahorse, Ray, Shark, Frog, Turtle, Tortoise, Dinosaur
Bird, Ostrich, Owl, Crow, Parrot
Mammal Bat, Rabbit, Giraffe, Camel, Horse, Elephant, Mammoth
Whale, Dolphin, Walrus, Seal, Polar Bear, Bear, Cat, Tiger, Lion, Dog, Wolf
Monkey, Chimpanzee, Human
These are organized by a classification scheme developed exclusively for Cosma. More…
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
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
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)
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.
Goffin's cockatoos can create and manipulate...
on November 7, 2018 at 7:00 pm
Goffin's cockatoos can tear cardboard into long strips as tools to reach food—but fail to adjust strip width to fit through narrow openings, according to a study published November 7, 2018 in the open-access journal PLOS ONE by A.M.I. Auersperg from the Medical University of Vienna, Austria, and colleagues. […]
Underestimating combined threats of deforestation...
on October 6, 2018 at 10:50 am
The combined impact of deforestation and wildlife exploitation on bird numbers is severely underestimated and could lead to some species becoming extinct, a joint study by the University of Sheffield and National University of Singapore has found. […]
Scientists develop new way to track swift parrots
on October 2, 2018 at 1:57 pm
Researchers from The Australian National University (ANU) could be a step closer to saving the critically endangered swift parrot, after showing it's possible to predict where the parrots will settle to breed. […]
We must strengthen environmental protections...
on September 27, 2018 at 12:40 pm
Australian rural communities face hardships during extended drought, and it is generally appropriate that governments then provide special support for affected landholders and communities. […]
Omnivore sharks and cannibal hippos – the...
on September 26, 2018 at 4:26 pm
Animals don't always stick to traditional menus, and they certainly don't read the descriptions of their diets we include in textbooks. When it recently emerged that a notorious carnivore (a shark) was actually selecting the vegetarian option, scientists were intrigued. […]