RULE: Tree Pipit

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

IF
Was the bird seen in ALASKA = {Yes} AND
<What colour PATTERN if any was on the BACK> = {Streaked, mottled, spotted, or barred} OR {Unknown} AND
What colour was the BACK = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Black, purple, or dark} OR {Unknown} AND
What colour was the BELLY = {White, or pale (grayish-white)} OR {Orange, buff (orange-yellow), or tan} OR {Unknown} AND
What colour PATTERN if any was shown on the BREAST = {Streaked lengthwise (from head to tail)} OR {Spotted or mottled} OR {Unknown} AND
What colour was the BREAST = {White, or pale (grayish-white)} OR {Yellow} OR {Brown, or chestnut (reddish-brown)} 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 {Unknown} AND
<What LENGTH was the BILL> = {Very short} OR {Short} OR {Medium} OR {Unknown} AND
What FACIAL or HEAD features were noted if any = {Light area between the bill and the eye} OR {Light area near or around the eye} OR {Whisker stripe running down the face} 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 {Black, purple, or dark} OR {Unknown} AND
What was the predominant colour of the HEAD = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Black, purple, or dark} 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
WHERE was the bird seen = {Northwestern Canada or United States}
THEN
Tree Pipit (Confidence: 1)