Breeding-Season Survival of Mallard Females in the Prairie Pothole Region of Canada

Autor:	Devries, James H., Citta, John J., Lindberg, Mark S., Howerter, David W., Anderson, Michael G.
Zdroj:	The Journal of Wildlife Management, 2003 Jul 01. 67(3), 551-563.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3802713 Zobrazit plný text záznamu