RULE: Steller's Sea-Eagle

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

IF
Was the bird seen in ALASKA = {Yes} AND
How was the bird SEEN BEST = {While landed} AND
What colour TAIL PATTERN was there if any = {None} OR {Unknown} AND
What colour was the TAIL = {White, or pale (grayish-white)} OR {Unknown} AND
What colour was the BACK = {Brown, or chestnut (reddish-brown)} OR {Black, purple, or dark} OR {Unknown} AND
What colour PATTERN if any was shown on the BREAST = {Uniform color} OR {Unknown} AND
What colour was the BREAST = {White, or pale (grayish-white)} OR {Brown, or chestnut (reddish-brown)} OR {Black, purple, or dark} OR {Unknown} AND
What colour was the BILL = {Yellow} OR {Orange, buff (orange-yellow), or tan} 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
What colour was the TOP of HEAD = {Brown, or chestnut (reddish-brown)} OR {Black, purple, or dark} OR {Unknown} AND
What was the predominant colour of the HEAD = {White, or pale (grayish-white)} OR {Brown, or chestnut (reddish-brown)} 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> = {Hawk-like}
THEN
Steller's Sea-Eagle (Confidence: 1)