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Q.

How many years do birds live

Tags: birds live
Asked by Kalpana Roy, 16 Aug '12 03:05 pm
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Answers (2)

1.

30yera's.
Answered by neeraj pandey, 17 Aug '12 05:19 pm

 
  
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2.

If a bird lasts long enough, however, the probability of it dying in a given year may once again rise. Common Terns reach old age after about 19 years, and their annual risk of dying then goes up.

Life expectancy in birds is closely correlated with size -- the larger the species, the longer it is likely to live. But the relationship is far from exact. Some groups of birds tend to have long lives for their sizes, especially the Procellariiformes (tubenoses -- albatrosses, shearwaters, and petrels) and Charadriiformes (shorebirds, gulls and terns, and auks). Other groups, for instance titmice and chickadees, wrens, and game birds, are shorter-lived than their sizes would predict.

Birds can be very long-lived in captivity. One Sulphur-crested Cockatoo (a common Australian parrot made famous by the TV show "Baretta") lived most of his 80-plus years in a zoo. Captive Canada Geese have lived for 33 years, House Sparrows 23 years, and Northern Cardinals 22 years. In nature, the life-spa ...more
Source: http://www.stanford.edu/group/stanfordbirds/text/essays/How_Long.html
Answered by Greasemonkey, 16 Aug '12 03:13 pm

 
  
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