| helminth parasites of northern spotted owls (strix occidentalis caurina) from oregon. | helminth parasites are reported for the first time from northern spotted owls. seventy-one percent of a sample of strix occidentalis caurina from western oregon was infected. nematodes (porrocaecum depressum, capillaria falconis, microtetrameres sp. and synhimantus hamatus) were the most prevalent parasites although cestodes (paruterina rauschi) and acanthocephalans (centrorhynchus conspectus) were also represented. there was an association between components of this helminth fauna and the diet ... | 1989 | 2716105 |