Challenge between buzzards (Buteo buteo) two buzzards fighting for the perch, Valli di Argenta, Ferrara, Italy

buteo buteo buteo accipitridae falconiformes aves vertebrata winter adult wing land to flap wings posing aggressiveness attack fly to threat profile shot overview buteo common buzzard buteo buteo pair emilia romagna cites appendix 2 least concern iucn lc december competition rivalry intra specific nobody temperate season seasons atmosphere stage of development individual morphology zoology morphology organism locomotion motion behavior shot accipitridae falconiformes aves vertebrata buzzard prey diurnal bird bird wild animal enumeration italy european union europe convention on international trade in endangered species of wild cites species low risk iucn lr iucn red list of threatened species adults wings landing touching down landings touch down flapping wings flaps wings flutter posed pose settlings settling aggressive assaulting assaulted assault attacked attacking aggressors aggressor attacks in flight flight flights flying threats threatening threaten threatened profile sights profile sight profile shots profile view profile views side view overviews global sight global sights full length common buzzards duet pairs duets 2 two least concern species competitions rivalries intra specific with nobody buteo buteo