American Tree Sparrow vs Sooty Fox-sparrow
Passerella arborea в сравнении с Passerella unalaschcensis
Side-by-Side Comparison
| Характеристика | American Tree Sparrow | Sooty Fox-sparrow |
|---|---|---|
| Научное название | Passerella arborea | Passerella unalaschcensis |
| Отряд | Passeriformes | Passeriformes |
| Семейство | Passerellidae | Passerellidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 14,4 cm (5.7 in) | 16,8 cm (6.6 in) |
| Масса | 19,0 g (0.67 oz) | 34,65 g (1.22 oz) |
| Питание | -- | -- |
| Размер кладки | 4-6 | 4-5 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Нет
American Tree Sparrow only
Sooty Fox-sparrow only
Нет
Охранный статус
Least Concern
American Tree Sparrow
Least Concern
Sooty Fox-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.