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en.wikipedia.org/wiki/Parrot

Parrots, also known as psittacines /ˈsɪtəsaɪnz/, are birds of the roughly 393 species in 92 ..... Strong sexual dimorphism in plumage is not typical among parrots, with some notable exceptions, the most striking being the .... Learning in early life is apparently important to all parrots, and much of that learning is social learning.

en.wikipedia.org/wiki/Maximum_life_span

Maximum life span is a measure of the maximum amount of time one or more members of a ... Maximum life span contrasts with mean life span (average life span, life expectancy), and longevity. ..... brain; A study of several species of mammals and a bird (pigeon) indicated a linear relationship between oxidative damage to ...

www.yourparrotcage.com/Bird%20Care/Birds%20Average%20Life%20Span.html

A parrot's life span in captivity is considerably shorter than his potential life span. This is due to environmental factures. The larger the parrot the longer the ...

pets.thenest.com/average-lifespan-parrots-6518.html

Macaws also have an average lifespan of 25 to 50 years. ... If you adopt a young parrot with a potential life expectancy that reaches into your own 70s or 80s, ...

10mosttoday.com/10-longest-life-span-animals

Jul 27, 2013 ... Here's a list of the 10 Longest Life Span animals found on Earth. ... often colourful parrots, that can live up to 80 – 100 years in captivity.

www.quora.com/What-is-the-maximum-and-average-lifespan-of-a-parrot-indian-green-parrot

Actually the breed which is commonly observed in wild is Ringed Neck Parakeet, in wild this bird is observed to be living till 15-20 years, where in captivity this bird is ...

www.petyak.com/birds/bird-health/articles/life-expectancy-of-parrots

The life expectancy of parrots depends on many factors, and corresponds to the size of the bird. Generally speaking, the smaller the bird, the shorter its lifespan.

www.quora.com/What-is-the-life-expectancy-of-a-parrot

The maximum life expectancy that was documented was an Amazon Parrot living in Alaska that ... Budgies usual lifespan goes around 15, cockatiels from 16, average 25, to even 30 and more if lucky, some cockatoos can reach up to even 80 ...

www.wildbirds.com/Protect-Birds/Life-Expectancy

These are certainly not average life expectancy -- these are the all time records! These figures are based on the recapture of banded birds. The life of the bird at ...

web.stanford.edu/group/stanfordbirds/text/essays/How_Long.html

Life expectancy in birds is closely correlated with size -- the larger the ... One Sulphur-crested Cockatoo (a common Australian parrot made famous by the TV ...