RULE: Black Skimmer

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

IF
How BIG was the bird = {Pigeon-sized} OR {Crow-sized} OR {Goose-sized} AND
List any unique FEEDING or other BEHAVIOUR observed = {Skimming water surface with lower bill} AND
<What TYPE of bird was seen> = {ID by Unique Behaviour or Jizz} AND
What type of ENVIRONMENT was the bird seen in = {Urban or residential area or at a feeder} OR {Wooded freshwater habitat} OR {Freshwater marsh or wetland} OR {Freshwater river or lake shore} OR {Open body of freshwater} OR {Saltwater marsh or wetland} OR {Flat saltwater shore; beach} OR {Rocky saltwater shore; cliff} OR {In flight over freshwater} OR {In flight over saltwater}
THEN
Black Skimmer (Confidence: 3)