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Blue jay: Difference between revisions
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After the eggs are layed, they are incubated mainly by the mother for 18 days. The mothers shed the feathers off a part of their stomache called the incubation patch. The area is filled with small blood vessels and provides heat for the eggs or young fledges. [http://www.birdhouses101.com/blue-jay-facts.asp] | After the eggs are layed, they are incubated mainly by the mother for 18 days. The mothers shed the feathers off a part of their stomache called the incubation patch. The area is filled with small blood vessels and provides heat for the eggs or young fledges. [http://www.birdhouses101.com/blue-jay-facts.asp] | ||
After the eggs hatch, the young | After the eggs hatch, the young are helpless, vulnerable, and without feathers. After about 17 days they have all their feathers and at 21 days of age they are able to leave the nest. The baby birds are closely watched and fed by their parents until they leave their nest at about 2 to 4 months old. However, the fledgings can feed themselves at about 3 weeks old but still follow their parents around. [http://www.shawcreekbirdsupply.com/blue_jay_info.htm] | ||
[http://animaldiversity.ummz.umich.edu/site/accounts/information/Cyanocitta_cristata.html] The young birds look identical to the adults except that they are lighter in color: their blue feathers are more gray and their black feathers are more brown. [http://www.all-birds.com/Blue-Jay.htm] They can start mating withing the first year of their birth. The average lifespan for living in the wild is about 17 years. [http://animaldiversity.ummz.umich.edu/site/accounts/information/Cyanocitta_cristata.html] | [http://animaldiversity.ummz.umich.edu/site/accounts/information/Cyanocitta_cristata.html] The young birds look identical to the adults except that they are lighter in color: their blue feathers are more gray and their black feathers are more brown. [http://www.all-birds.com/Blue-Jay.htm] They can start mating withing the first year of their birth. The average lifespan for living in the wild is about 17 years. [http://animaldiversity.ummz.umich.edu/site/accounts/information/Cyanocitta_cristata.html] | ||
