RULE: Williamson's Sapsucker (Female)

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

IF
Was the RUMP or LOWER BACK light = {Yes} 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 = {White, or pale (grayish-white)} OR {Brown, or chestnut (reddish-brown)} OR {Unknown} AND
What colour was the BELLY = {White, or pale (grayish-white)} OR {Yellow} OR {Unknown} AND
What colour was the BREAST = {Yellow} 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 {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
<What SHAPE was the BILL> = {Straight and slender} OR {Straight and thick} OR {Unknown} AND
<What LENGTH was the BILL> = {Medium} OR {Long} OR {Very long} OR {Unknown} AND
What colour were the CHEEKS = {White, or pale (grayish-white)} OR {Orange, buff (orange-yellow), or tan} OR {Brown, or chestnut (reddish-brown)} OR {Unknown} AND
What colour was the TOP of HEAD = {Brown, or chestnut (reddish-brown)} OR {Unknown} AND
What was the predominant colour of the HEAD = {Brown, or chestnut (reddish-brown)} OR {Unknown} AND
<How BIG was the bird> = {Sparrow-sized} OR {Robin-sized} AND
<What TYPE of bird was seen> = {Woodpecker or Tree-clinging bird} AND
<WHERE was the bird seen> = {Southwestern United States} OR {Northwestern Canada or United States}
THEN
Williamson's Sapsucker (Confidence: 2)