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American Tree Sparrow - Spizelloides arborea



 Kingdom: Animalia
 Phylum: Chordata
 Class: Aves
 Order: Passeriformes
 Family: Passerellidae
 Genus: Spizelloides 
ICUN Redlist - World Status: Least Concern Least Concern


american tree SparrowThe American tree sparrow is 5-6 inches in length with a wingspan of 8-9 inches. It has a gray breast with a black patch and a gray belly and rump. It has a gray head with a chestnut colored cap and chestnut colored streaks near its eyes. It has brown wings with two white bars, a small bill, and a slightly notched tail. The American tree sparrow and the chipping sparrow look alike, but the chipping sparrow doesn't have the black patch on its breast.


MapThe American tree sparrow breeds above the tree line in the tundra in northern Canada and Alaska. It winters from southern Canada throughout most of the United States.



american tree SparrowThe American tree sparrow breeds in the tundra. In the non-breeding season its is found in a variety of habitats including open woodlands, marshes, deserts, fields, gardens, and farmland.


The American tree sparrow eats seeds, berries, and insects.

Life Cycle

american tree SparrowThe male American tree sparrow arrives at the breeding grounds first. He aggressively protects his territory. The female lays 4-6 eggs in a cup-shaped nest made of sticks, grass, and moss. The nest is made on the ground. The female incubates the eggs. Incubation takes about 12 days. Both the male and female care for and feed the chicks. The chicks fledge when they are about two weeks old, but they continue to be fed by their parents for a few more weeks. Most American tree sparrows live two to three years in the wild.


The American tree sparrow migrates at night. There is no overlap between its breeding grounds and its winter territory.

Audio Credit: xeno-canto.org Allen T. Chartier cc logo