| Timberline sparrow | |
|---|---|
Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Passerellidae |
| Genus: | Spizella |
| Species: | |
| Subspecies: | S. b. taverneri |
| Trinomial name | |
| Spizella breweri taverneri Swarth & Brooks, 1925 | |
| Synonyms | |
Spizella taverneri | |
Thetimberline sparrow (Spizella breweri taverneri) is ataxonomically controversialAmerican sparrow. Usually treated as asubspecies ofBrewer's sparrow, it is considered a distinctspeciesSpizella taverneri by some authorities.[who?] While the timberline sparrow recognizably differs in some details, there is littlereproductive isolation between thetaxa.[citation needed]
When it was still considered a species, it was listed as being ofleast concern by theIUCN.[2]
