Pretty much any sound they want to
When humans laugh, they make sounds like "ha ha" or "hee hee." When they cry, they make sounds like "sob" or "wail." When they scream, they make loud, high-pitched sounds. When they sigh, they make a soft, breathy sound.
Thats like saying how do we humans make diffrent sounds if you think about it how do you make diffrent sounds? and thats your answer!
Monkeys make sounds with their mouth, much like humans do. Monkeys make all different kinds of sounds depending on their moods.
It mimics humans sounds or barks not like a dog but in its own way.
Horses make a variety of sounds, including neighs, whinnies, snorts, and nickers. These sounds are used for communication with other horses and with humans.
Because humans don't have the right body structure or the strength to do so. This also deals with the fact human hearing can't detect sounds below about 20Hz(Hertz)
Cats make baby noises, like meowing and purring, to communicate with their owners and show affection. These sounds mimic the sounds of kittens to evoke a nurturing response from humans.
They make many noises but the one noise that is most known to humans is "caw"
They hear sounds in the same way that humans do.
yes dogs can detect lower or higher sounds than humans
Pigs typically make oinking sounds. The sound can vary depending on the pig's age and whether they are communicating with other pigs or humans. They can also grunt, snort, or squeal.
it depends on what sort of bendy thing you're talking about...but yes.....humans and animals are bendy and we make all kinds of sounds