RULE: Dusky Thrush

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

IF
Was the bird seen in ALASKA = {Yes} AND
Did the WINGS have STRIPES or PATCHES = {No} OR {Unknown} AND
What colour were the WINGS = {White, or pale (grayish-white)} OR {Orange, buff (orange-yellow), or tan} OR {Red, or pink} OR {Rufous (dull-red or rust-colored)} OR {Brown, or chestnut (reddish-brown)} OR {Unknown} AND
Were the SIDES STREAKED, SPOTTED or BARRED = {Yes} OR {Unknown} AND
What colour was the BACK = {Rufous (dull-red or rust-colored)} OR {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 {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 {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 {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 = {Short} OR {Medium} OR {Long} 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 {Dark area near the eye} 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 = {White, or pale (grayish-white)} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Black, purple, or dark} OR {Unknown} AND
How BIG was the bird = {Robin-sized} AND
<What TYPE of bird was seen> = {Songbird} AND
WHERE was the bird seen = {Northwestern Canada or United States}
THEN
Dusky Thrush (Confidence: 1)