Nesting of the Ruby-Throated Hummingbird: Trochilus Colubris

Autor:	Jacobs, J. W.
Zdroj:	The Ornithologists' and Oologists' Semi-Annual, 1889 Jul 01. 1(2), 34-36.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/4153237 Zobrazit plný text záznamu