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Parrots and the corvid family of crows, ravens, and jays are considered the most intelligent of birds. Research has shown that these species tend to have the largest high vocal centers. Dr. Harvey J. Karten, a neuroscientist at UCSD who has studied the physiology of birds, has discovered that the lower parts of avian brains are similar to those ...
The budgerigar, or common parakeet (Melopsittacus undulatus), is a popular talking-bird species because of their potential for large vocabularies, ease of care and well-socialized demeanor. [27] Between 1954 and 1962, a budgerigar named Sparkie Williams held the record for having the largest vocabulary of a talking bird; at his death, he knew ...
The Eurasian magpie is one of the most intelligent birds. [2] The expansion of its nidopallium is approximately the same in its relative size as the brain of chimpanzees, gorillas, orangutans and humans. [3] It is the only non-mamalian species known to pass the mirror test.
Grey parrots are highly intelligent and are considered to be one of the most intelligent species of psittacines. Many individuals have been shown to perform some tasks at the cognitive level of a four- to six-year-old human child. Several studies have been conducted indicating a suite of higher-level cognitive abilities.
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Parrots—along with ravens, crows, jays, and magpies—are among the most intelligent birds, and the ability of some species to imitate human speech enhances their popularity as pets. They form the most variably sized bird order in terms of length; many are vividly coloured and some, multi-coloured.
G. newtoni was about 7 feet (2 meters) tall and weighed up to 529 pounds (240 kilograms). It belonged to the family Dromornithidae, a group of flightless birds known from fossils found in Australia.