title: Neoplasms identified in free-flying birds.
abstract: Nine neoplasms were identified in carcasses of free-flying wild birds received at the National Wildlife Health Laboratory; gross and microscopic descriptions are reported herein. The prevalence of neoplasia in captive and free-flying birds is discussed, and lesions in the present cases are compared with those previously described in mammals and birds.
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000453:epidemiology / Q000473:pathology*; D001717:Birds; D005260:Female; D005354:Fibrosarcoma / Q000453:epidemiology / Q000473:pathology / Q000662:veterinary; D008297:Male; D009369:Neoplasms / Q000453:epidemiology / Q000473:pathology / Q000662:veterinary*