Endurance Test

Yellow Warbler.

Flicker.

Baltimore Oriole.

COMMON BLACK BIRDS.

Crow.

Purple Grackle.

Red-winged Blackbird.

Cowbird.

COMMON BLACK AND WHITE BIRDS.

Black and White Warbler.

Bobolink.

Downy Woodp.e.c.k.e.r.

COMMON BROWN BIRDS.

Thrushes.

Sparrows.