Timberline Sparrow
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| Timberline Sparrow | ||||||||||||||||
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| Spizella breweri taverneri Swarth & Brooks, 1925 |
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Spizella taverneri |
The Timberline Sparrow (Spizella breweri taverneri) is a taxonomically controversial American sparrow. Usually treated as a subspecies of Brewer's Sparrow, it is still considered a distinct species Spizella taverneri by many authorities. While the Timberline Sparrow recognizably differs in some details, there is little reproductive isolation between the taxa.
When it was still considered a good species, it was listed as Least Concern by the IUCN[1].
[edit] Footnotes
- ^ E.g. Baillie et al. (2004).
[edit] References
- Baillie, J.E.M.; Hilton-Taylor, C. & Stuart, S.N. (eds.) (2004): 2004 IUCN Red List of Threatened Species. A Global Species Assessment. IUCN, Gland, Switzerland and Cambridge, UK. ISBN 2-8317-0826-5
- BirdLife International (2004). Spizella taverneri. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 27 July 2007.
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