Digital photography quantifies plumage variation and salt marsh melanism among Song Sparrow ( Melospiza melodia ) subspecies of the San Francisco Bay

Autor: Luttrell, Sarah A. M., Gonzalez, Sara T., Lohr, Bernard, Greenberg, Russell
Zdroj: The Auk, 2015 Jan 01. 132(1), 277-287.
Databáze: JSTOR Journals