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Posts Tagged ‘croaking’

Have you ever watched a frog as he was croaking?

Apparently he closes his mouth and nostrils, squeezes his lungs, and his vocal sacs expand, looking a lot like a bubblegum bubble.

Southern Leopard Frogs (Lithobates sphenocephalus) have a vocal sac on either side of their head, although some other frogs have only a single sac under their chin,

Here’s a shot I took on Monday of one as he was croaking. You can see the vocal sac bubble pretty wellif you look closely at the side of the head nearest the camera.

croaking1_blog

I am including this additional frog photo, because I really like the way that the bubbles surround his head.

bubbles1_blog

© Michael Q. Powell. All rights reserved

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