Parasites were found in 28 individuals during the examination of blood smears from 1011 geese and ducks of 19 spp. Haemoproteus hermani is reported from mallard, green-winged teal and shoveller; Leucocytozoon simondi from mallard, pintail, baldpate and shoveller; Plasmodium relictum from pintail and cinnamon teal; and P. sp., with elongate gametocytes, from pintail. Microfilariae were seen only in smears obtained from heart blood from the mallard, green-winged teal and baldpate.