Downy Woodpecker
Date 1921
Source http://www.biodiversitylibrary.org/page/13653782
Author Ferdinand Schuyler Mathews
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_(6260103657).jpg

The downy woodpecker (Dryobates pubescens syn. Picoides pubescens) is a species of woodpecker in North America. Adult downy woodpeckers are the smallest of North American woodpeckers.