RULE: Brewer's Sparrow

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

IF
What SIZE was the TAIL = {Medium} OR {Long} OR {Very Long} OR {Unknown} AND
What SHAPE was the TAIL = {Square or slightly notched at the end} OR {Unknown} AND
What colour TAIL PATTERN was there if any = {None} OR {Unknown} AND
<What colour PATTERN if any was on the BACK> = {Streaked, mottled, spotted, or barred} OR {Unknown} AND
What colour PATTERN if any was shown on the BREAST = {Uniform color} OR {Unknown} AND
What colour was the BREAST = {White, or pale (grayish-white)} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the THROAT = {White, or pale (grayish-white)} OR {Unknown} AND
<What SHAPE was the BILL> = {Conical and slender} OR {Conical and thick} OR {Unknown} AND
<What LENGTH was the BILL> = {Very short} OR {Short} OR {Medium} 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 = {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> = {Sparrow-like} AND
What type of ENVIRONMENT was the bird seen in = {Open area: field, prairie, farmland, tundra} OR {Desert, arid grassland, cactus, mesquite} AND
WHERE was the bird seen = {Southwestern United States} OR {Northwestern Canada or United States}
THEN
Brewer's Sparrow (Confidence: 5)