RULE: Canyon Wren

<Question>
Match
{Variable}
Direct Choice
{Variable}
Infered Choice

IF
What SIZE was the TAIL = {Short} OR {Medium} OR {Long} OR {Unknown} AND
What colour TAIL PATTERN was there if any = {Dark and light bands across it} OR {None} OR {Unknown} AND
What colour PATTERN if any was on the BACK = {Streaked, mottled, spotted, or barred} OR {Unknown} AND
What colour was the BACK = {Red, or pink} OR {Rufous (dull-red or rust-colored)} OR {Brown, or chestnut (reddish-brown)} OR {Unknown} AND
What colour was the BELLY = {Red, or pink} OR {Rufous (dull-red or rust-colored)} OR {Brown, or chestnut (reddish-brown)} OR {Unknown} AND
What colour was the BREAST = {White, or pale (grayish-white)} OR {Red, or pink} OR {Rufous (dull-red or rust-colored)} OR {Brown, or chestnut (reddish-brown)} OR {Unknown} AND
What colour was the THROAT = {White, or pale (grayish-white)} OR {Unknown} AND
What SHAPE was the BILL = {Straight and slender} OR {Straight and thick} OR {Conical and slender} OR {Downcurved} OR {Unknown} AND
What LENGTH was the BILL = {Medium} OR {Long} OR {Very long} OR {Unknown} AND
What FACIAL or HEAD features were noted if any = {Light area near or around the eye} OR {Light area up the side of the neck or head} OR {NONE or a PLAIN unmarked FACE} OR {Unknown} AND
What colour was the TOP of HEAD = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
What was the predominant colour of the HEAD = {White, or pale (grayish-white)} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
How BIG was the bird = {Smaller than a sparrow} OR {Sparrow-sized} AND
<What TYPE of bird was seen> = {Songbird} AND
What type of ENVIRONMENT was the bird seen in = {Open area: field, prairie, farmland, tundra} OR {Desert, arid grassland, cactus, mesquite} OR {Mountainous terrain} OR {Rocky saltwater shore; cliff} AND
WHERE was the bird seen = {Southwestern United States} OR {Northwestern Canada or United States}
THEN
Canyon Wren (Confidence: 5)