Why Do Frogs Croak?
Published by If you’ve ever lived beside a pond or water filled field, you must often have heard the loud croaking of frogs. Sometimes, their odd noises are so loud that it can be enough to keep you from sleeping!
Though some female frogs may make certain sounds when they are injured, the familiar ’singing’ or croaking we are familiar with is limited to the male. The chief reason he sings is to attract the female. However, his singing is not limited to the breeding season. It can be heard at night long after the breeding season. Do you know how a male frog make this croaking sound? He inhales, closes his nostrils and mouth, and forces the air back and forth between the mouth and lungs. The sound is produced when the air passes over the vocal cords and causes them to vibrate. Many kinds of frogs have vocal sacs that open into mouth. When the frog is singing, these sacs act as resonators and help give the frog’s croaking that peculiar sound. Did you know that the American Bulldog’s voice may sometimes be heard from a distance of a kilometre or more!
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