2. BIRDS PROMINENTLY MARKED WITH BLUE
Blue, shading to purplish on head; 5½ in.—[INDIGO BUNTING]. Blue; chestnut shoulders; black face; 7 in.—[BLUE GROSBEAK]. Blue above; brownish breast; 7 in.—[BLUEBIRD]. Blue above; black collar, bars on wings and tail (also white)—[BLUE JAY]. Pale blue above and streaks below; white on wings and tail—[CERULEAN WARBLER]. Dark blue above; black throat and sides; white on wing—[BLACK-THROATED BLUE WARBLER]. Light blue head and back; brown breast; 5½ in.—[LAZULI BUNTING].