Sulci are small grooves, but there are also large grooves, and these are called fissures. Fissures divide the cerebral cortex into lobes and also divide the cerebrum into the right and left cerebral hemispheres along the saggital plane.
The ducks predator is the pelican,and,wolf, foxes, raccoons, snakes, sharks, weasels, hawks, owls, eagles, cats, dogs, rats, large fish (especially for ducklings), turtles, co â¦ yotes, Tasmanian devils, seals, killer whales, mountain lions, badgers, falcons, shoebills, storks, herons, and wolverines. duck is both predator and prey. A duck eats living organisms such as small fishes (not to mention insects and grasses), which makes it a predator.
According to About.com, fish are one of the most common foods ducks eat. Ducks also typically feed on snails, worms, crustaceans, grasses, weeds, aquatic plants, small amphibians, insects, seeds, fruits and nuts. Ducks are omnivores, but their diets vary for several reasons. Continue Reading.