American Tree Sparrow vs Brewer's Sparrow
Passerella arborea compared with Spizella breweri
Side-by-Side Comparison
| Attribute | American Tree Sparrow | Brewer's Sparrow |
|---|---|---|
| Scientific Name | Passerella arborea | Spizella breweri |
| Order | Passeriformes | Passeriformes |
| Family | Passerellidae | Passerellidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 14.4 cm (5.7 in) | 12.6 cm (5.0 in) |
| Weight | 19.0 g (0.67 oz) | 10.933333333333332 g (0.39 oz) |
| Diet | -- | -- |
| Clutch Size | 4-6 | 2-4 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
American Tree Sparrow
Least Concern
Brewer's Sparrow
About These Birds
American Tree Sparrow
The American Tree Sparrow is a compact passerellid weighing 19 g with a 14.4 cm wingspan, breeding in shrubby Arctic tundra and wintering in open fields and weedy areas across North America. It is identified by its rufous cap and distinctive central breast spot.