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.