RULE: Loggerhead Shrike

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

IF
In FLIGHT did the bird display a LIGHT WING STRIPE or PATCH = {Yes} OR {Unknown} AND
What colour were the WINGS = {Black, purple, or dark} OR {Unknown} AND
What colour was the BACK = {Gray, or blue-gray} OR {Unknown} AND
What colour was the BELLY = {White, or pale (grayish-white)} OR {Unknown} AND
What colour PATTERN if any was shown on the BREAST = {Uniform color} OR {Spotted or mottled} OR {Barred crosswise (from side to side)} 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 {Unknown} AND
What SHAPE was the BILL = {Straight and thick} OR {Conical and slender} OR {Conical and thick} OR {Hooked} OR {Downcurved} OR {Unknown} AND
What LENGTH was the BILL = {Short} OR {Medium} OR {Long} OR {Unknown} AND
What FACIAL or HEAD features were noted if any = {Dark area near the eye} OR {Unknown} AND
What colour was the TOP of HEAD = {White, or pale (grayish-white)} OR {Gray, or blue-gray} OR {Unknown} AND
What was the predominant colour of the HEAD = {White, or pale (grayish-white)} OR {Gray, or blue-gray} OR {Black, purple, or dark} OR {Unknown} AND
How BIG was the bird = {Robin-sized} AND
<What TYPE of bird was seen> = {Songbird}
THEN
Loggerhead Shrike (Confidence: 1)