RULE: Ivory-billed 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 = {Black, purple, or dark} OR {Unknown} AND
What colour was the BREAST = {Black, purple, or dark} OR {Unknown} AND
What colour was the THROAT = {Black, purple, or dark} OR {Unknown} AND
What colour was the BILL = {White, or pale (grayish-white)} 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 FACIAL or HEAD features were noted if any = {Light area near or around the eye} OR {Light area up the side of the neck or head} OR {Crest of feathers on top of the head} OR {Unknown} AND
How BIG was the bird = {Pigeon-sized} OR {Crow-sized} AND
<What TYPE of bird was seen> = {Woodpecker or Tree-clinging bird} AND
WHERE was the bird seen = {Southeastern United States} OR {Southwestern United States}
THEN
Ivory-billed Woodpecker (Confidence: 1)