Bell's Sparrow vs American Tree Sparrow
Artemisiospiza belli 对比 Passerella arborea
Side-by-Side Comparison
| 属性 | Bell's Sparrow | American Tree Sparrow |
|---|---|---|
| 学名 | Artemisiospiza belli | Passerella arborea |
| 目 | Passeriformes | Passeriformes |
| 科 | Passerellidae | Passerellidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 13.0 cm (5.1 in) | 14.4 cm (5.7 in) |
| 体重 | 16.266666666666666 g (0.57 oz) | 19.0 g (0.67 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-6 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Bell's Sparrow
Least Concern
American Tree Sparrow
About These Birds
Bell's Sparrow
Bell's Sparrow is a small sparrow of sagebrush scrub and chaparral habitats in western North America, ranging from California to Baja California. It has brown-streaked upperparts, a whitish underside, and a dark malar stripe giving a distinctive facial pattern. It forages on the ground and in low shrubs for seeds and insects.
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.