American Tree Sparrow vs Worthen's Sparrow
Passerella arborea verglichen mit Spizella wortheni
Side-by-Side Comparison
| Merkmal | American Tree Sparrow | Worthen's Sparrow |
|---|---|---|
| Wissenschaftlicher Name | Passerella arborea | Spizella wortheni |
| Ordnung | Passeriformes | Passeriformes |
| Familie | Passerellidae | Passerellidae |
| Erhaltungsstatus | Least Concern | Endangered |
| Länge | — | — |
| Flügelspannweite | 14,4 cm (5.7 in) | 13,3 cm (5.2 in) |
| Gewicht | 19,0 g (0.67 oz) | 12,416666666666666 g (0.44 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 4-6 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
Gemeinsame Lebensräume
American Tree Sparrow only
Worthen's Sparrow only
-
Erhaltungsstatus
Least Concern
American Tree Sparrow
Endangered
Worthen's 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.