| Spizella | |
|---|---|
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| Field sparrow Spizella pusilla | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Passerellidae |
| Genus: | Spizella Bonaparte, 1832 |
| Type species | |
| Fringilla pusilla[1] A. Wilson, 1810
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| Species | |
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See text | |
The genus Spizella is a group of American sparrows in the family Passerellidae.[2]
These birds are fairly small and slim, with short bills, round heads and long wings. They are usually found in semi-open areas, and outside of the nesting season they often forage in small mixed flocks.[2]
Systematics
This genus was formerly placed with the Old World buntings in the family Emberizidae.[2] However, genetic studies revealed that New World sparrows formed a distinct clade and thus it was placed in the resurrected family Passerellidae.[3][4]
Species
- Chipping sparrow, Spizella passerina
- Clay-colored sparrow, Spizella pallida
- Brewer's sparrow, Spizella breweri
- Timberline sparrow, Spizella breweri taverneri
- Field sparrow, Spizella pusilla
- Worthen's sparrow, Spizella wortheni
- Black-chinned sparrow, Spizella atrogularis
The American tree sparrow, Spizelloides arborea, was formerly a member of this group, but is now placed in its own monotypic genus Spizelloides.[2]
References
- ^ "Passerellidae". aviansystematics.org. The Trust for Avian Systematics. Retrieved 2023-07-16.
- ^ a b c d Slager, David L.; Klicka, John (2014). "A new genus for the American Tree Sparrow (Aves: Passeriformes: Passerellidae)". Zootaxa. 3821 (3): 398–400. doi:10.11646/zootaxa.3821.3.9. PMID 24989754. S2CID 34796887.
- ^ Barker, F.K.; Burns, K.J.; Klicka, J.; Lanyon, S.M.; Lovette, I.J. (2013). "Going to extremes: contrasting rates of diversification in a recent radiation of New World passerine birds". Systematic Biology. 62 (2): 298–320. doi:10.1093/sysbio/sys094. PMID 23229025.
- ^ Barker, F.K.; Burns, K.J.; Klicka, J.; Lanyon, S.M.; Lovette, I.J. (2015). "New insights into New World biogeography: An integrated view from the phylogeny of blackbirds, cardinals, sparrows, tanagers, warblers, and allies". Auk. 132 (2): 333–346. doi:10.1642/AUK-14-110.1.
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