RULE: Black-chinned Hummingbird (Male)

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

IF
What SHAPE was the TAIL = {Square or slightly notched at the end} OR {Forked} OR {Unknown} AND
What colour was the BACK = {Green} OR {Unknown} AND
What colour was the BREAST = {White, or pale (grayish-white)} OR {Green} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the THROAT = {Red, or pink} OR {Black, purple, or dark} OR {Unknown} AND
<What SHAPE was the BILL> = {Straight and slender} OR {Unknown} AND
<What LENGTH was the BILL> = {Medium} OR {Long} OR {Very long} OR {Unknown} AND
What colour were the CHEEKS = {Black, purple, or dark} OR {Unknown} AND
What colour was the TOP of HEAD = {Green} OR {Black, purple, or dark} OR {Unknown} AND
<How BIG was the bird> = {Smaller than a sparrow} AND
<What TYPE of bird was seen> = {Hummingbird} AND
WHEN was the bird seen = {Spring} OR {Summer} OR {Fall} AND
WHERE was the bird seen = {Southwestern United States} OR {Northwestern Canada or United States}
THEN
Black-chinned Hummingbird (Confidence: 5)