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Published September 1937 | Published
Journal Article Open

A New House Finch from Central Mexico

Abstract

For some time the author has been convinced that the large House Finches of Guanajuato represent a new form, differing not only from the described forms to the east and south but also from the birds of the Central Plateau to the west, formerly known as rhodocolpus. It seemed better to hold description in abeyance until the accumulation of additional specimens from southwestern Chihuahua might determine whether the Jalisco-Durango plateau birds are closer to frontalis of New Mexico and Texas or to so-called sonoriensis of Sonora. Fourteen fresh specimens from localities in southwestern Chihuahua and ten from northeastern Sinaloa have simplified the problem. I am therefore describing below the form from Guanajuato.

Additional Information

© 1937 American Ornithological Society. Published: 01 September 1937.

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August 19, 2023
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