RULE: Lewis' Woodpecker

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

IF
What colour PATTERN if any was on the BACK = {Uniform} OR {Unknown} AND
What colour was the BACK = {Green} OR {Black, purple, or dark} OR {Unknown} AND
What colour was the BELLY = {Red, or pink} OR {Unknown} AND
What colour was the BREAST = {White, or pale (grayish-white)} OR {Red, or pink} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the THROAT = {White, or pale (grayish-white)} OR {Green} 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> = {Medium} OR {Long} OR {Very long} OR {Unknown} AND
What colour were the CHEEKS = {Red, or pink} OR {Rufous (dull-red or rust-colored)} OR {Unknown} AND
What colour was the TOP of HEAD = {Gray, or blue-gray} OR {Black, purple, or dark} OR {Unknown} AND
What was the predominant colour of the HEAD = {Red, or pink} OR {Rufous (dull-red or rust-colored)} OR {Green} OR {Black, purple, or dark} OR {Unknown} AND
How BIG was the bird = {Robin-sized} OR {Pigeon-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
Lewis' Woodpecker (Confidence: 4)