Marsh harrier (Circus aeruginosus) in flight, in the Aiguamolls marsh, Spain

circus aeruginosus winter adult alone flap wings lying in wait fly to profile shot overview circus catalonia autonomous community freshwater swamp least concern blue sky december marsh harrier circus aeruginosus natural park aigüamolls del emporda natural park nobody adults single lonely only solo one lone flapping wings flaps wings flutter watchful be on the watch stalking being on the watch stalk at steal in flight flight flights flying profile sights profile sight profile shots profile view profile views side view overviews global sight global sights full length freshwater swamps fresh water swamp fresh water swamps bog bogs least concern species blue skies good weather nice weather natural parks nature park nature parks with nobody temperate season seasons atmosphere stage of development individual enumeration locomotion motion hunt behavior shot accipitridae falconiformes aves tetrapoda vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota spain european union europe freshwater wetland area area convention on international trade in endangered species of wild cites species low risk iucn) lr iucn red list of threatened species sky meteorological phenomenon harrier prey diurnal bird bird wild animal environment protection environment management biodiversity management environment