RULE: Anhinga (Male)

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

IF
What color was the UNDERSURFACE of the wing as seen in flight = {Dark} OR {Unknown} AND
In FLIGHT did the bird display a LIGHT WING STRIPE or PATCH = {Yes} OR {Unknown} AND
What SIZE was the TAIL = {Medium} OR {Long} OR {Very Long} OR {Unknown} AND
What colour was the BACK = {Green} OR {Black, purple, or dark} OR {Unknown} AND
What colour was the BELLY = {Green} OR {Black, purple, or dark} OR {Unknown} AND
What colour was the BREAST = {Green} OR {Black, purple, or dark} OR {Unknown} AND
What colour was the THROAT = {Green} OR {Black, purple, or dark} OR {Unknown} AND
<What SHAPE was the BILL> = {Straight and slender} OR {Straight and thick} OR {Hooked} OR {Unknown} AND
<What LENGTH was the BILL> = {Medium} OR {Long} OR {Very long} OR {Unknown} AND
What was the predominant colour of the HEAD = {Green} OR {Black, purple, or dark} OR {Unknown} AND
How BIG was the bird = {Goose-sized} OR {Larger than a goose} AND
<What TYPE of bird was seen> = {Gull-like, or a Seabird} OR {Duck or Goose-like} AND
<WHERE was the bird seen> = {Southwestern United States}
THEN
Anhinga (Confidence: 1)