influence of petroleum hydrocarbons on the endoparasitic helminths of the common eider, somateria mollissima, from newfoundland. | a comparison of commonly occurring metazoan parasites in the digestive tract was made between common eiders, somateria mollissima, that were contaminated with oil and reference birds confiscated from illegal hunting. there was a greater number of commonly occurring parasites and their abundance in reference than in oiled eiders. except for an acanthocephalan, polymorphus botulus, which was embedded in the wall of the intestinal tract, most of the other taxa of parasites, including trematodes, ce ... | 2010 | 21208521 |