Guadalupe Junco vs American Tree Sparrow
Junco insularis 比較対象 Passerella arborea
Side-by-Side Comparison
| 属性 | Guadalupe Junco | American Tree Sparrow |
|---|---|---|
| 学名 | Junco insularis | Passerella arborea |
| 目 | Passeriformes | Passeriformes |
| 科 | Passerellidae | Passerellidae |
| 保全状況 | Endangered | Least Concern |
| 体長 | — | — |
| 翼開長 | 13.4 cm (5.3 in) | 14.4 cm (5.7 in) |
| 体重 | 20.0 g (0.71 oz) | 19.0 g (0.67 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 3 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Endangered
Guadalupe Junco
Least Concern
American Tree 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.