Bird name:

American Tree Sparrow

Spizella arboreaOrder: PASSERIFORMES Family: Sparrows (Emberizidae)

Codes: Common Name: ATSP Scientific Name: SPIARB ITIS Taxonomic No.: 179432

American Tree Sparrow Juvenile - The juvenile American Tree Sparrow shows less rufous-brown and has a messy, streaked appearance on head and breast.

American Tree Sparrow Winter - The winter American Tree Sparrow is duller and more buff colored than the breeding male, with a rufous crown that sometimes forms a central stripe.

American Tree Sparrow - The male American Tree Sparrow is gray-brown with black and rufous streaks on the back and wings. Face is gray, cap is brown and wing bars are white. His breast is gray with one dark spot in the middle.

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Bird Call Credits: The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology. Martyn Stewart, http://www.naturesound.org, Redmond, Washington USA. The reuse or copying of bird calls in this database is strictly forbidden.

American Tree Sparrow

American Tree Sparrow: Medium, gray-brown sparrow, black and rufous-brown streaks on back, wings. Crown, eyestripes, flanks are rufous-brown, contrasting with gray face. Pale gray breast with dark central spot, rufous-brown sides. Upper mandible is dark gray, lower mandible is yellow.

● Song: "tweedle-eet, tweedle-eet"

● Foraging & Feeding: American Tree Sparrow: Eats mostly seeds during winter; also eats insects, berries, and small flowers in the summer; scratches on the ground, foliage, or snow when foraging.

● Breeding & nesting: American Tree Sparrow: Three to seven light blue or green eggs with brown spots and flecks are laid in a nest made of stems, bark pieces, moss, and grass, with lining of feathers, fur, and hair. Nest is normally built atop a clump of grass or moss, rarely low in a shrub or tree, 1 to 5 feet above the ground. Incubation ranges from 12 to 13 days and is carried out by the female.

● Similar species: American Tree Sparrow: Field Sparrow is smaller, has pink bill, and lacks central breast spot.

Flight Pattern

Short flights with series of rapid wing beats alternating with wings pulled to sides.

● Range & Habitat: American Tree Sparrow: More common in the western U.S. Preferred habitat includes moist deciduous woodlands and willow thickets along streams.

^BreedingMonogamous, Solitary nester

^PopulationFairly common

^MigrationMigratory

^Weight0.7 Ounces

4 and 6 letter alpha codes

The four letter common name alpha code is is derived from the first two letters of the common first name and the first two letters of common last name. The six letter species name alpha code is derived from the first three letters of the scientific name (genus) and the first three letters of the scientific name (species). See (1) below for the rules used to create the codes..

Four-letter (for English common names) and six-letter (for scientific names) species alpha codes were developed by Pyle and DeSante (2003, North American Bird-Bander 28:64-79) to reflect A.O.U. taxonomy and nomenclature (A.O.U. 1998) as modified by Supplements 42 (Auk 117:847-858, 2000) and 43 (Auk 119:897-906, 2002). The list has been updated by Pyle and DeSante to reflect changes reported by the A.O.U from 2003 through 2006.

Field Guide to Birds of North America