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Discovery
Snake Attack on Frog Eggs Provokes Premature Hatching

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snake attacking frog eggs

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This video clip shows a cat-eyed snake attacking a clutch of red-eyed tree frogs and the embryos hatching prematurely to escape predation. The audio track contains the vibrations for this video sequence, transformed into sound.

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To see the clip with the captions on, you will need to select Tools > Preferences > Content > Use Supplemental text captioning when available, or deselect it if you do not wish to see the captions. Then re-start the video.

Credit: Michael Caldwell and Karen Warkentin, Boston University

 

Graph of vibrations caused by a snake attack on a clutch of frog eggs

A recording made by an accelerometer inserted in an egg mass to record vibrations. This particular attack was made by a parrot snake, Leptophis ahaetulla.

Credit: Karen Warkentin, Boston University


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