RULE: Chuck-will's-widow

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

IF
Did the bird show conspicuous or promient white in flight = {No} OR {Unknown} AND
How was the bird SEEN BEST = {In flight} AND
What SHAPE were the wings = {Rounded} OR {Unknown} AND
What SIZE was the TAIL = {Medium} OR {Long} OR {Very Long} OR {Unknown} AND
What SHAPE was the TAIL = {Rounded at the end} OR {Unknown} AND
<What SHAPE was the BILL> = {Straight and thick} OR {Hooked} OR {Downcurved} OR {Unknown} AND
<What LENGTH was the BILL> = {Very short} OR {Short} OR {Unknown} AND
<How BIG was the bird> = {Robin-sized} OR {Pigeon-sized} AND
<What TYPE of bird was seen> = {Swallow-like} OR {Hawk-like} AND
WHERE was the bird seen = {Southeastern United States} OR {Southwestern United States}
THEN
Chuck-will's-widow (Confidence: 4)