RULE: Arizona Woodpecker

IF: Was the bird seen in ARIZONA, NEW MEXICO, or TEXAS = {Yes} AND
How BIG was the bird = {Sparrow-sized} OR {Robin-sized} AND
List any unique FEEDING or other BEHAVIOUR observed = {Climbing up tree trunks} OR {Drumming by banging its head on a tree} AND
<What TYPE of bird was seen> = {ID by Unique Behaviour or Jizz} AND
WHERE was the bird seen = {Southwestern United States}