Relationship of Nutritional Condition of Permanent-Resident Woodland Birds with Woodlot Area, Supplemental Food, and Snow Cover

Autor:	Doherty,, Paul F., Grubb,, Thomas C.
Zdroj:	The Auk, 2003 Apr 01. 120(2), 331-336.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/4090185 Zobrazit plný text záznamu