large group of pigeon on street

adeno animals beautiful beauty birds blurred buildings built candida canker circo city coccidiosis colds coli collibacillosis crop diarrhea diseases dove europe external eye feather flying freedom group image infections life locations malaria motion mycoplasmosis nature one ornithology ornithosis outdoors paramyxovirus parasites paratyphoid pets pigeon pigeons pmv pox respiratory salmonellosis scene sour structure thrush town travel trichomoniasis urban virus wild wings worm zoology