RULE: Canada Goose

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

IF
What colour PATTERN if any was on the BACK = {Uniform} OR {Streaked, mottled, spotted, or barred} OR {Unknown} AND
What colour was the BREAST = {White, or pale (grayish-white)} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the THROAT = {White, or pale (grayish-white)} OR {Black, purple, or dark} OR {Unknown} AND
What colour was the NECK = {Black, purple, or dark} OR {Unknown} AND
<What SHAPE was the BILL> = {Flattened} OR {Unknown} AND
<What LENGTH was the BILL> = {Medium} AND
What FACIAL or HEAD features were noted if any = {Light area up the side of the neck or head} OR {NONE or a PLAIN unmarked FACE} OR {Unknown} AND
What was the predominant colour of the HEAD = {White, or pale (grayish-white)} OR {Black, purple, or dark} OR {Unknown} AND
<How BIG was the bird> = {Goose-sized} OR {Larger than a goose} AND
<What TYPE of bird was seen> = {Duck or Goose-like}
THEN
Canada Goose (Confidence: 7)