2, A, ADULT, ADULTS, AMBIANCE, ANIMAL, AVES, BEEN, BILATERIA, BIODIVERSITIES, BIODIVERSITY, BIOLOGICAL, BIRD, BRITAIN, BUNTING, BY, CANORUS, CHASE, CHASED, CHASING, CHORDATA, CHORDATE, CITRINELLA, COELOMATA, COMMON, CONCERN, CUCKOO, CUCULIDAE, CUCULIFORMES, CUCULUS, DESMETTE, DEUTEROSTOMIA, DEVELOPMENT, DIFFERENT, DIVERSITIES, DIVERSITY, DUET, DUETS, EMBERIZA, EMBERIZIDAE, ENGLAND, ENUMERATION, ENVIRONMENT, EUKARYOTA, EUROPE, EUROPEAN, euteleostomi, FACE, FACES, FLAP, FLAPPING, FLAPS, FLIGHT, FLIGHTS, FLUTTER, FLY, FLYING, FREDERIC, GNATHOSTOMATA, GREAT, IMAGE, IMAGES, IN, INDIVIDUAL, IUCN, JUNE, KINGDOM, LC, LEAST, LIST, LOCOMOTION, LOW, LR, MALE, MALES, METAZOA, MIGRATORY, MOTION, NOBODY, OF, OPISTHOKONTA, PAIR, PAIRS, PARTICULARITY, PASSERIFORMES, PASSERINE, PHOTO, PHOTOS, PROFILE, PURSUE, PURSUED, PURSUING, RED, rhipidistia, RISK, SARCOPTERYGII, SAUROPSID, SAUROPSIDA, SEASON, SEASONS, SEVERAL, SHOT, SHOTS, SIDE, SIGHT, SIGHTS, SP, SPECIES, SPRING, STAGE, SUMMER, TEMPERATE, TETRAPODA, TETRAPODOMORPHA, THREATENED, TO, TWO, UNDERNEATH, UNION, UNITED, VENTRAL, VERTEBRATA, VERTEBRATE, VIEW, VIEWS, WILD, WINGS, WITH, YELLOWHAMMER, YELLOWHAMMERS,