Helminths from the digestive tracks of mallards and pintails in the Delta Marsh, Manitoba.
D000818:Animals; D001715:Bird Diseases / Q000453:epidemiology*; D004372:Ducks; D005260:Female; D006373:Helminthiasis / Q000453:epidemiology; D006374:Helminthiasis, Animal; D008297:Male; D008350:Manitoba; D013045:Species Specificity