Timberline sparrow

Timberline sparrow

SUBSPECIES OF

Kingdom
Phylum
Class
Family
Genus
SPECIES
Spizella breweri taverneri

The timberline sparrow 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.

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References

1. Timberline sparrow Wikipedia article - https://en.wikipedia.org/wiki/Timberline_sparrow
3. Xeno-canto bird call - https://xeno-canto.org/619363

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