They are mounted on fenceposts, trees or poles, usually in open fields with short grasswhere bluebirds can easily find insects.
(They; are mounted; L:on fenceposts, trees or poles, usually in open fields with short grasswhere bluebirds) (They; can easily find; insects)
They They
are mounted can easily find
L:on fenceposts, trees or poles, usually in open fields with short grasswhere bluebirds
insects