Author: Bent, Arthur C.
Title: Life histories of North American Jays, Crows, and Titmice. Order Passeriformes.
Description: Washington, 1946. [reprint N.Y., 1964]. 2 vols. XI,495 pp. 68 plts. Softcover. (Smithsoniam Institution, United States National Museum Bulletin 191).

Keywords: Birds America Vogels Amerika