Crossword clues for Birds. 4 letters:BIRDOne concerned with nest eggsBIRDOne in a flockBIRDSparrow or crowBIRDFrequent tweeterBIRDWhat a tot might draw as an "m"BIRDTwitter producerBIRDSee 30-AcrossBIRDWhat Superman first looked like?BIRDCrane or cuckooBIRDOwl or ospreyBIRDSeed eaterBIRDPart of four NFL logosBIRDCertain flock memberBIRDOne word in the 10 longest answers, if one letter is changedBIRDWNBA all-time assists leader Sue ___BIRDBunting, e.g.BIRDRaven or robinBIRDModern-day dinosaurBIRDGrebe, grackle, or grosbeakBIRD#33 for the CelticsBIRDFormer Celtics starBIRDBooby or loonBIRDPigeon or ploverBIRDAircraft, so to speakBIRDFinch or flycatcherBIRDDiver, for instanceBIRDMany a sports team logoBIRDTweeter in a treeBIRDEagle or orioleBIRDEarly Antarctic aviator*BIRDFlyer or fryerBIRDCardinal or orioleBIRDFlying egg-layerBIRDAnimal that is a surprisingly close relative of a dinosaurBIRDUSA Dream Team co-captainBIRDCeltics starBIRDWhat a U.K. hobbyist called a "twitcher" hopes to seeBIRDTraffic signal?BIRDOriole or cardinalBIRDParrot or sparrowBIRDCharlie Parker's nicknameBIRDAviary's occupantBIRDDinosaur descendantBIRDLarry who may leap for a layupBIRDCock, but not bullBIRDFeathered friendBIRDEagle or larkBIRDParker's nicknameBIRDAircraft, slangilyBIRDHawk or dove, e.g.