RULE: Pelagic Cormorant

<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 = {No} OR {Unknown} AND
<What colour was the BACK> = {Brown, or chestnut (reddish-brown)} OR {Black, purple, or dark} OR {Unknown} AND
What colour was the BELLY = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Black, purple, or dark} OR {Unknown} AND
What colour was the BREAST = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Black, purple, or dark} OR {Unknown} AND
What colour was the THROAT = {Red, or pink} OR {Rufous (dull-red or rust-colored)} 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 = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Black, purple, or dark} OR {Unknown} AND
<How BIG was the bird> = {Crow-sized} OR {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
<What type of ENVIRONMENT was the bird seen in> = {Saltwater marsh or wetland} OR {Flat saltwater shore; beach} OR {Rocky saltwater shore; cliff} OR {Open ocean; beyond sight of land} OR {In flight over saltwater} AND
<WHERE was the bird seen> = {Southwestern United States} OR {Northwestern Canada or United States}
THEN
Pelagic Cormorant (Confidence: 3)