American Tree Sparrow vs Bachman's Sparrow
Passerella arborea 对比 Peucaea aestivalis
Side-by-Side Comparison
| 属性 | American Tree Sparrow | Bachman's Sparrow |
|---|---|---|
| 学名 | Passerella arborea | Peucaea aestivalis |
| 目 | Passeriformes | Passeriformes |
| 科 | Passerellidae | Passerellidae |
| 保护状况 | Least Concern | Near Threatened |
| 体长 | — | — |
| 翼展 | 14.4 cm (5.7 in) | 11.8 cm (4.6 in) |
| 体重 | 19.0 g (0.67 oz) | 19.139999999999997 g (0.68 oz) |
| 食性 | -- | -- |
| 产卵数 | 4-6 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
American Tree Sparrow
Near Threatened
Bachman'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.
Bachman's Sparrow
The Bachman's Sparrow is a Near Threatened sparrow found in open pine forests and grassland habitats of the southeastern United States, weighing about 19.1g with a wingspan of 11.8cm. It is a secretive ground-dwelling bird that sings from exposed perches and feeds on seeds and insects. Habitat loss due to fire suppression and logging has reduced its range substantially.