CHANGES IN SPRING ARRIVAL DATES OF RUFOUS HUMMINGBIRDS ( SELASPHORUS RUFUS ) IN WESTERN NORTH AMERICA IN THE PAST CENTURY

Autor:	COURTER, JASON R.
Zdroj:	The Wilson Journal of Ornithology, 2017 Sep 01. 129(3), 535-544.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/26456067 Zobrazit plný text záznamu