white pelican: large American pelican; white with black wing feathers
pelican: large long-winged warm-water seabird having a large bill with a distensible pouch for fish
cyclops: minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming; important in some food chains and as intermediate hosts of parasitic worms that affect man e.g. Guinea worms