Species: Spizella arborea

American Tree Sparrow

Species

Birds

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Terrestrial vertebrates: birds

Encyclopedia of Puget Sound

Classification

Kingdom

Animalia

Phylum

Craniata

Class

Aves

Order

Passeriformes

Family

Emberizidae

Genus

Spizella

NatureServe

Source:
ELEMENT_GLOBAL.2.105457

Classification

Other Global Common Names

bruant hudsonien

Informal Taxonomy

Animals, Vertebrates - Birds - Perching Birds

Formal Taxonomy

Animalia - Craniata - Aves - Passeriformes - Emberizidae - Spizella - See Zink and Dittmann (1993) for a hypothesis for evolution in the genus SPIZELLA. See Dodge et al. (1995) for a comparison of phylogenies derived from two molecular data sets for the genus SPIZELLA; among other results, monophyly of SPIZELLA including the American tree sparrow was supported.

Ecology and Life History

Short General Description

A small bird (sparrow).

Migration

false - false - true - Migrates northward in flocks through U.S. in March-April (Terres 1980); arrives in breeding areas in northern Alaska and northwestern Canada late May-early June, departs by mid-September (Johnson and Herter 1989).

Non-migrant

false

Locally Migrant

false

Food Comments

Feeds primarily on seeds, but also eats some insects. Forages on the ground.

Reproduction Comments

Eggs laid May-July (begins nesting in mid-June in northern Alaska and northwestern Canada). Clutch size 3-5, sometimes 6. Incubation 12-13 days (Terres 1980). Young tended by both adults, usually leave nest 9-10 days after hatching, unable to fly for 5-6 more days.

Ecology Comments

During winter often seen in groups of 4-8 birds.

Length

Weight

Conservation Status

NatureServe Global Status Rank

Global Status Last Reviewed

1996-12-04

Global Status Last Changed

1996-12-04

Other Status

LC - Least concern

Distribution

Conservation Status Map

Global Range

BREEDING: Alaska and across central Canada, from northern Yukon and Mackenzie east to Labrador. NON-BREEDING: south-coastal and southeastern Alaska (rarely), southern Canada south to northern California, central Nevada, northern and east-central Arizona, central and southeastern New Mexico, northern Texas, Arkansas, Tennessee, and North Carolina (casually farther south) (AOU 1983).

ELEMENT_GLOBAL.2.105457