American Tree Sparrow vs Sierra Madre Sparrow
Passerella arborea в сравнении с Xenospiza baileyi
Side-by-Side Comparison
| Характеристика | American Tree Sparrow | Sierra Madre Sparrow |
|---|---|---|
| Научное название | Passerella arborea | Xenospiza baileyi |
| Отряд | Passeriformes | Passeriformes |
| Семейство | Passerellidae | Passerellidae |
| Охранный статус | Least Concern | Endangered |
| Длина | — | — |
| Размах крыльев | 14,4 cm (5.7 in) | 12,2 cm (4.8 in) |
| Масса | 19,0 g (0.67 oz) | 17,4 g (0.61 oz) |
| Питание | -- | -- |
| Размер кладки | 4-6 | 3 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
American Tree Sparrow
Endangered
Sierra Madre 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.