close up of bangau tongtong leptoptilus javanicus standing on the grass with one feet

activity adjutant amazing animal asian aves avian background bangau beak beautiful bigbird bill bird birdeye birdwatching black bold color conservation eating ecology ecosystem element environment exotic eyes fauna feather feathering feet field fish flying free group habitat head javanicus juvenile leptoptilos long meadow motion move mutation natural nature nest ornithology outdoor park pleasant plumage population predator prey rare reserve sanctuary scavenger species standing stork tall tame tongtong tree tropical ugly vegetation vertebrata wallpaper water white wild wildlife wings zoo zoology