% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for ___ only a bird in . . . 4 letters

AnswerClue
BIRDAudubon subject
BIRDFormer Celtics star
BIRDNest builder
BIRD39-Down, e.g.
BIRDCrane or cuckoo
BIRDCoot or loon
BIRDCelt #33
BIRDWren or hen
BIRDWord that can precede the first words of 20-, 37- and 54-Across, and 11- and 33-Down
BIRDAudubon painting subject
BIRDOne of the flock
BIRD#33 for the Celtics
BIRDFlier on a telephone pole, often
BIRDBrit's chick
BIRDMcHale teammate
BIRDThe Hick From French Lick
BIRDHoliday entree, slangily
BIRDDuck, say
BIRDFormer Celtics star Larry
BIRDParrot or sparrow
BIRDShuttlecock
BIRDDodo, for instance
BIRDCrane or kite
BIRDCeltics legend
BIRDFeeder frequenter
BIRDAviary's occupant
BIRDDinosaur descendant
BIRDLarry who may leap for a layup
BIRDHe's Big on Sesame Street
BIRDLarry Legend
BIRDCeltics star
BIRDThe Celtics' #33
BIRDCeltic No. 33
BIRDParish partner?
BIRDCelt who wore 33
BIRDHall-of-Fame Celtic
BIRDRaven or robin
BIRDWhat a U.K. hobbyist called a "twitcher" hopes to see
BIRDTraffic signal?
BIRDGrebe, grackle, or grosbeak
BIRDModern-day dinosaur
BIRDOriole or cardinal
BIRDGoose or loon
BIRDGrackle or grosbeak
BIRDBadminton projectile
BIRDFrequent flier
BIRDHeckle or Jeckle
BIRDNest egg protector
BIRDSee 19-Across
BIRDCeltic hero