RULE: Surfbird

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

IF
In FLIGHT did the bird display a LIGHT WING STRIPE or PATCH = {Yes} OR {Unknown} AND
What colour were the LEGS or FEET = {Yellow} OR {Orange, buff (orange-yellow), or tan} OR {Olive (yellowish-green)} OR {Green} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the BELLY = {White, or pale (grayish-white)} OR {Unknown} AND
What colour PATTERN if any was shown on the BREAST = {Streaked lengthwise (from head to tail)} OR {Spotted or mottled} OR {Barred crosswise (from side to side)} OR {Unknown} AND
What colour was the BREAST = {White, or pale (grayish-white)} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the THROAT = {White, or pale (grayish-white)} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the BILL = {Yellow} OR {Orange, buff (orange-yellow), or tan} OR {Red, or pink} OR {Gray, or blue-gray} OR {Black, purple, or dark} OR {Unknown} AND
What SHAPE was the BILL = {Straight and slender} OR {Straight and thick} OR {Unknown} AND
What LENGTH was the BILL = {Short} OR {Medium} OR {Long} OR {Unknown} AND
How BIG was the bird = {Sparrow-sized} OR {Robin-sized} AND
<What TYPE of bird was seen> = {Sandpiper-like} AND
WHERE was the bird seen = {Southwestern United States} OR {Northwestern Canada or United States}
THEN
Surfbird (Confidence: 6)