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Blue jay: Difference between revisions
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== Reproduction == | == Reproduction == | ||
Blue Jays have only one mate for their entire life. The | Blue Jays have only one mate for their entire life. [http://animaldiversity.ummz.umich.edu/site/accounts/information/Cyanocitta_cristata.html] Mating usually starts in May and ends in late summer or early fall. A group of males will follow a female, bobbing their heads up and down, trying to show off. The female chooses one of them to be her mate. [http://www.wild-bird-watching.com/Blue_Jay.html] | ||
[http://animaldiversity.ummz.umich.edu/site/accounts/information/Cyanocitta_cristata.html]They build their nests in trees or shrubs using twigs, bark, weeds, feathers, grass, roots, and whatever else they can find. They lay about 3-7 blue-green eggs at a time. [http://www.enchantedlearning.com/subjects/birds/printouts/Bluejayprintout.shtml] They eggs can be a variety of glossy colors like pink, blue, green, or olive with brown or purple speckles. [http://www.all-birds.com/Blue-Jay.htm] | [http://animaldiversity.ummz.umich.edu/site/accounts/information/Cyanocitta_cristata.html]They build their nests in trees or shrubs about 8-30 feet off the ground using twigs, bark, weeds, feathers, grass, roots, and whatever else they can find. They lay about 3-7 blue-green eggs at a time. [http://www.enchantedlearning.com/subjects/birds/printouts/Bluejayprintout.shtml] They eggs can be a variety of glossy colors like pink, blue, green, or olive with brown or purple speckles. [http://www.all-birds.com/Blue-Jay.htm] | ||
After the eggs are layed, they incubated, mainly by the mother, for 18 days. The baby birds are closely watched by their parents until they leave their nest at about 2 months old. The fledgings can feed themselves at 3 weeks old, but before that are fed by the parents. | After the eggs are layed, they incubated, mainly by the mother, for 18 days. The baby birds are closely watched by their parents until they leave their nest at about 2 months old. The fledgings can feed themselves at 3 weeks old, but before that are fed by the parents. | ||
[http://animaldiversity.ummz.umich.edu/site/accounts/information/Cyanocitta_cristata.html] The young birds look close 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. [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 close 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] | ||
== Ecology == | == Ecology == | ||
