Description
367. Red Crossbill
Date 1921
Source http://www.flickr.com/photos/biodivlibrary/6260627312
Author Mathews, F. Schuyler
Full title Field book of wild birds and their music; a description of the character and music of birds, intended to assist in the identification of species common in the United States east of the Rocky Mountains, by F. Schuyler Mathews ... with numerous reproductions of water color and monotone studies of birds, and complete musical notations of bird songs by the author.
Source: https://commons.wikimedia.org/wiki/File:Field_book_of_wild_birds_and_their_music_(6260627312).jpg

The red crossbill (Loxia curvirostra) is a small passerine bird in the finch family Fringillidae, also known as the common crossbill in Eurasia. Crossbills have distinctive mandibles, crossed at the tips, which enable them to extract seeds from conifer cones and other fruits.