Variation in spring migration routes and breeding distribution of northern pintails Anas acuta that winter in Japan

Autor: Hupp, Jerry W., Yamaguchi, Noriyuki, Flint, Paul L., Pearce, John M., Tokita, Ken-ichi, Shimada, Tetsuo, Ramey, Andrew M., Kharitonov, Sergei, Higuchi, Hiroyoshi
Zdroj: Journal of Avian Biology, 2011 Jul 01. 42(4), 289-300.
Databáze: JSTOR Journals