RULE: Rhinoceros Auklet

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

IF
What SIZE was the TAIL = {Very short} OR {Short} OR {Medium} OR {Unknown} AND
What colour was the BACK = {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 {Unknown} AND
What colour was the THROAT = {Brown, or chestnut (reddish-brown)} OR {Gray, or blue-gray} OR {Unknown} AND
What colour was the BILL = {White, or pale (grayish-white)} OR {Yellow} OR {Orange, buff (orange-yellow), or tan} OR {Olive (yellowish-green)} OR {Gray, or blue-gray} OR {Unknown} AND
<What SHAPE was the BILL> = {Straight and thick} OR {Conical and slender} OR {Conical and thick} 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 = {Light area near or around the eye} OR {Light area up the side of the neck or head} OR {Ear "tufts" or horns} OR {NONE or a PLAIN unmarked FACE} OR {Unknown} AND
What colour were the EYES = {White or light gray} OR {Yellow or olive} 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> = {Robin-sized} OR {Pigeon-sized} OR {Crow-sized} 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
Rhinoceros Auklet (Confidence: 5)