2, ACCIPITRIDAE, ADULT, ADULTS, AGGRESSIVE, AGGRESSIVENESS, AGGRESSOR, AGGRESSORS, ALBERTO, AND, ANIMAL, APPENDIX, ARGENTA, ASSAULT, ASSAULTED, ASSAULTING, ATMOSPHERE, ATTACK, ATTACKED, ATTACKING, ATTACKS, AVES, BEHAVIOR, BETWEEN, BIOSPHOTO, BIRD, BUTEO, BUZZARD, BUZZARDS, CHALLENGE, CITES, COMMON, COMPETITION, COMPETITIONS, CONCERN, CONVENTION, DECEMBER, DEVELOPMENT, DI, DIURNAL, DOWN, DUET, DUETS, EMILIA-ROMAGNA, ENDANGERED, ENUMERATION, EUROPE, EUROPEAN, FALCONIFORMES, FAUNA, FERRARA, FIGHTING, FLAP, FLAPPING, FLAPS, FLIGHT, FLIGHTS, FLORA, FLUTTER, FLY, FLYING, FOR, FULL, GHIZZI, GLOBAL, IN, INDIVIDUAL, INTERNATIONAL, INTRA-SPECIFIC, ITALY, IUCN, LAND, LANDING, LANDINGS, LC, LEAST, LENGTH, LIST, LOCOMOTION, LOW, LR, MORPHOLOGY, MOTION, NOBODY, OF, ON, ORGANISM, OVERVIEW, OVERVIEWS, PAIR, PAIRS, PANIZZA, PERCH, POSE, POSED, POSING, PREY, PROFILE, RED, RISK, RIVALRIES, RIVALRY, SEASON, SEASONS, SETTLING, SETTLINGS, SHOT, SHOTS, SIDE, SIGHT, SIGHTS, SPECIES, STAGE, TEMPERATE, THE, THREAT, THREATEN, THREATENED, THREATENING, THREATS, TO, TOUCH, TOUCHING, TRADE, TWO, UNION, VALLI, VERTEBRATA, VIEW, VIEWS, WILD, WING, WINGS, WINTER, WITH, ZOOLOGY,