RULE: Bohemian Waxwing

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

IF
What Color were the UNDERTAIL COVERTS = {Reddish or brown} OR {Unknown} AND
What colour TAIL PATTERN was there if any = {Light band at the tip} OR {Broad dark band across the tip} OR {Unknown} AND
What colour was the BACK = {Gray, or blue-gray} OR {Unknown} AND
What colour was the BELLY = {Gray, or blue-gray} OR {Unknown} AND
What colour PATTERN if any was shown on the BREAST = {Uniform color} OR {Unknown} AND
What colour was the BREAST = {Orange, buff (orange-yellow), or tan} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the THROAT = {Brown, or chestnut (reddish-brown)} 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 {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 {Dark area near the eye} OR {Crest of feathers on top of the head} OR {Unknown} AND
What colour was the TOP of HEAD = {Orange, buff (orange-yellow), or tan} OR {Rufous (dull-red or rust-colored)} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
What was the predominant colour of the HEAD = {Orange, buff (orange-yellow), or tan} OR {Brown, or chestnut (reddish-brown)} OR {Black, purple, or dark} OR {Unknown} AND
How BIG was the bird = {Sparrow-sized} OR {Robin-sized} AND
<What TYPE of bird was seen> = {Songbird} AND
<WHERE was the bird seen> = {Northeastern Canada or United States} OR {Southeastern United States}
THEN
Bohemian Waxwing (Confidence: 1)