Wild endangered species Greater Adjutant, Leptoptilos dubius, gently preening its wing feathers on a windy day in a forest in Buriram, Isan, Thailand, Asia

greater adjutant stork vulture plucking beak preen ciconiiformes peck bird aves wildlife ciconiidae swallower animal buri pterotillomania ornithology feather endangered leptoptilos animalia chordata scavenger species ram leptoptilos dubius adjutant behavioural bill bone nature wild maladaptive isan close up asia buriram natural wilderness thailand southeast endangerment wedge calcutta forest outdoors disorder coat of arms no people