RULE: Buff-bellied Hummingbird

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

IF
Was the bird seen in ARIZONA, NEW MEXICO, or TEXAS = {Yes} AND
What Color were the UNDERTAIL COVERTS = {White or pale (grayish-white)} OR {Yellow, olive, or tan (light brown)} OR {Unknown} AND
What colour was the BELLY = {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 = {Green} OR {Unknown} AND
What colour was the BILL = {Orange, buff (orange-yellow), or tan} OR {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 = {Green} OR {Unknown} AND
What colour was the TOP of HEAD = {Green} OR {Unknown} AND
<How BIG was the bird> = {Smaller than a sparrow} AND
<What TYPE of bird was seen> = {Hummingbird} AND
WHERE was the bird seen = {Southwestern United States}
THEN
Buff-bellied Hummingbird (Confidence: 1)