Rufous-crowned Sparrow vs American Tree Sparrow
Aimophila ruficeps verglichen mit Passerella arborea
Side-by-Side Comparison
| Merkmal | Rufous-crowned Sparrow | American Tree Sparrow |
|---|---|---|
| Wissenschaftlicher Name | Aimophila ruficeps | Passerella arborea |
| Ordnung | Passeriformes | Passeriformes |
| Familie | Passerellidae | Passerellidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 12,0 cm (4.7 in) | 14,4 cm (5.7 in) |
| Gewicht | 18,675 g (0.66 oz) | 19,0 g (0.67 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 2-6 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
Gemeinsame Lebensräume
Rufous-crowned Sparrow only
-
American Tree Sparrow only
Erhaltungsstatus
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.