Revisiting Winter Wing Molt in Western Grebes (Aechmophorus occidentalis) and Clark's Grebes (A. clarkii)

Autor: Humple, Diana L., Nevins, Hannahrose M., Henkel, Laird A.
Zdroj: Waterbirds: The International Journal of Waterbird Biology, 2013 Dec 01. 36(4), 426-431.
Databáze: JSTOR Journals