Lots of animals make a grunting noise. Some of the animals that make grunting noises are alligators, chimpanzee's, orangutans, gorilla, pigs, and hogs.
a grunting noise
Wild boars are known to make grunting sounds at night.
They make a grunting noise when contented and if they are lying down and you sratch them they close their eyes and lean into you, like calves. Thats what my pig does anyway HI
The sound that a hog makes is called "oinking." It is a low, grunting noise typically made by pigs to communicate with each other.
a whale makes a grunting sound
nothing
An elephant
a duck
You
Yes. They make grunting-hissing noises.
parrot
Fruit bats.