The animal that makes a sound similar to a duck at night is a frog.
The males have purple spots on their underbelly
The sound a frog makes is called a "Croak".
a door a frog
frog
The blue dart frog (scientific name: Dendrobates azureus) makes a buzzing sound.
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Caxy is the ancient greek word for the sound a frog makes.
To croak can refer to the sound a frog makes, or it can also be an informal term for dying or to speak in a hoarse or low voice.
The striped marsh frog, pobblebonk, whistling Verreau frog, brown tree frog, growling grass frog and the spotted marsh frog live in the Yarra River.
there is this tube that runs through their body and the tube goes from the mouth literally al the way down to the butt of the frog. and when frogs squeeze and release their butt cheeks it makes a vibrating motion that goes up the frogs tube called the (andilos) and forces a monotone sound to come out of the frog. that's where the "ribits" come from in a frog.
The name "Keroro" comes from the Japanese impression of the sound a frog makes, which is "kerokero."