RULE: Chestnut-collared Longspur (Nonbreeding Male)

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

IF
What SIZE was the TAIL = {Very short} OR {Short} OR {Medium} 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 = {Light outer edge or corners} OR {Broad dark band across the tip} OR {Unknown} AND
<What colour PATTERN if any was on the BACK> = {Streaked, mottled, spotted, or barred} OR {Unknown} AND
What colour was the BELLY = {White, or pale (grayish-white)} OR {Orange, buff (orange-yellow), or tan} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the BREAST = {White, or pale (grayish-white)} OR {Orange, buff (orange-yellow), or tan} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Black, purple, or dark} OR {Unknown} AND
What colour was the THROAT = {White, or pale (grayish-white)} OR {Orange, buff (orange-yellow), or tan} OR {Unknown} AND
<What SHAPE was the BILL> = {Straight and slender} OR {Straight and thick} OR {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 were the CHEEKS = {Orange, buff (orange-yellow), or tan} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
Was the CROWN or the TOP of HEAD striped = {Yes} OR {Unknown} AND
What colour was the TOP of 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} OR {Songbird} AND
WHEN was the bird seen = {Fall} OR {Winter} AND
What type of ENVIRONMENT was the bird seen in = {Open area: field, prairie, farmland, tundra} AND
WHERE was the bird seen = {Southwestern United States} OR {Northwestern Canada or United States}
THEN
Chestnut-collared Longspur (Confidence: 3)