Consumption of Earthworms by Yellowstone Grizzly Bears

Autor:	Mattson, David J., French, Marilynn G., French, Steven P.
Zdroj:	Ursus, 2002 Jan 01. 13, 105-110.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3873192 Zobrazit plný text záznamu