RULE: Vesper Sparrow

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

IF
What SIZE was the TAIL = {Short} OR {Medium} OR {Long} OR {Unknown} AND
What SHAPE was the TAIL = {Square or slightly notched at the end} OR {Unknown} AND
What colour TAIL PATTERN was there if any = {Light outer edge or corners} OR {None} OR {Unknown} AND
<What colour PATTERN if any was on the BACK> = {Streaked, mottled, spotted, or barred} OR {Unknown} AND
What colour PATTERN if any was shown on the BREAST = {Streaked lengthwise (from head to tail)} OR {Unknown} AND
What colour was the BREAST = {White, or pale (grayish-white)} OR {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 = {White, or pale (grayish-white)} OR {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
<What SHAPE was the BILL> = {Conical and slender} OR {Conical and thick} OR {Unknown} AND
<What LENGTH was the BILL> = {Very short} OR {Short} OR {Medium} OR {Unknown} AND
What were the EYE markings if any = {Light RING (white or yellow) AROUND the eye} OR {None} OR {Unknown} AND
What colour was the TOP of HEAD = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
<How BIG was the bird> = {Smaller than a sparrow} OR {Sparrow-sized} AND
<What TYPE of bird was seen> = {Sparrow-like}
THEN
Vesper Sparrow (Confidence: 3)