(Regulus calendula. 749.)
Dark greenish-olive; light underneath; ring about eye and wing-bars white; male shows at will a brilliant ruby crown-patch; remarkable song. [Golden-crowned Kinglet.] [Warblers.]
29. HAIRY WOODPECKER. 9 in.
(Dryobates villosus. 393.)
White band down the middle of black back; wings black spotted with white; beneath white; outer tail-feathers white not barred; red band on neck of male; large bill; note, sharp resonant “plick.” [Downy Woodpecker.] [Yellow-bellied Sapsucker.]
30. TREE SWALLOW. 6-1/4 in.
(Iridoprocne bicolor. 614.)
Metallic blue-green; shining white below; tail appears nearly square at end in flight; often seen skimming near the surface of still water. [Barn Swallow.] [Purple Martin.]
31. CARDINAL. 8-1/2 in.
(Cardinalis cardinalis. 593.)