Rufous-crowned Sparrow vs American Tree Sparrow
Aimophila ruficeps مقارنةً بـ Passerella arborea
Side-by-Side Comparison
| السمة | Rufous-crowned Sparrow | American Tree Sparrow |
|---|---|---|
| الاسم العلمي | Aimophila ruficeps | Passerella arborea |
| الرتبة | Passeriformes | Passeriformes |
| الفصيلة | Passerellidae | Passerellidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 12,0 cm (4.7 in) | 14,4 cm (5.7 in) |
| الوزن | 18,675 g (0.66 oz) | 19,0 g (0.67 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 2-6 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Rufous-crowned Sparrow
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.