Like two stones being knocked together.
It is called a 'croak', and its onomatopoeia in American English is 'ribbit'.
they croak all year and it is just their sound , I mean you couldn't say what time of year do humans talk and why , now could you?
Amphibians like frogs and toads make the croak sound. There are no other animals that croak. The call of a raven might be described by many people as a croak.
yes frogs can cry because when i was little i played with a frog and i went to go pet it and it started to make a croaking noise but then it began to wine and make this baby cry sound,as a tried to comfort it it still cried but with it's mouth open....no lie!
well, frogs burp, and it makes a vibration, so loud, causing it to make a sound.
The majority of frogs produce high-pitched whistles, buzzes, peeps and similar sounds. Some large frogs produce a low hoarse sound called a croak. It sounds a bit like a choking person trying to say, "ribbit". To reproduce it, try saying "ribbit" as far down in your throat as you possibly can.
The sound a frog makes is called a "Croak".
The Red Eyed Tree frog Agalychnis callidryas does not croak like a regular frog, they make a sound similar to a babies rattle or small rocks in a tin.See web page link below for more information and recorded sounds.
Ribbit > ribbit only refers to the sound frogs make in north america. the general verb is to croak. See references on Wikipedia & Merriam webster dictionary via the related links
Frogs croak when they want to mate; males are the ones that croak.
Um well all different species of frogs have different croaks and also female bull frogs are attracted to the males with the deepest croaks. When a female frog of the right species comes into a male frogs territory, the male does not mess around he clings to the female and they jump in the water and produce sperm and egg cells! Sorry if this is not what ur looking for! :)
Frogs will always croak, but it seems as if they croak more before a storm. This is because all noises become louder and more vibrant just before rain because the sound is reflected and magnified by the low clouds.