pigeon stands on one leg on a blurred background

adenovirus alone animal background bacteria beak beautiful beauty bird birdflu birdmites bokeh candidiasis carrier chickenmite city dirty dove excreta externalparasites faeces feather feces flock flu fly free germ histoplasmosis important infection mycoplasmosis one ornithosis outdoors paramyxovirus pathogen pigeon problem respiratory respiratoryinfections salmonellosis serious unsanitary virus wild wildlife