Timberline sparrow
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The timberline sparrow (Spizella breweri taverneri) is a taxonomically controversial American sparrow. Usually treated as a subspecies of Brewer's sparrow, it is considered a distinct species Spizella taverneri by some authorities.Script error: No such module "Unsubst". While the timberline sparrow recognizably differs in some details, there is little reproductive isolation between the taxa.Script error: No such module "Unsubst".
When it was still considered a species, it was listed as being of least concern by the IUCN.[1]
Footnotes
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- ↑ E.g. Baillie et al. (2004).
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References
- <templatestyles src="smallcaps/styles.css"/>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. Template:ISBN
- Template:Cite iucn