Cryptococcus neoformans, C.albicans, A.flavus, A.flavipes, A.nidulans, A.niger A.fumigatus, A. ornatus, Penicillium and Fusarium spp. could be isolated from diseased, dead pigeons and dead in shell-pigeon embryos. On the other hand, Cryptococcus neoformans, Sacchromyces, A.fumigatus, A.niger, A.nidulans. A.flavipes, Mucor and Penicillium spp. were isolated from pigeon excreta (inside and outside nests) and from pigeon drinking water. The effect of some antifungal drugs on the isolated Crypt. neoformans were studied in vitro. Garlic was more effective than Mycostatin..