Template:Motd/2012-05-10 (en)

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A male Marsh Frog (Pelophylax ridibundus) calling to attract a mate. Vocal sacs are inflated and deflated to amplify the call. Other frogs can be heard but not seen on the video.

This is the English translation of the Media of the day description page from .

Descriptions in other languages:

Motd/2012-05-10 (cs) Motd/2012-05-10 (en) Motd/2012-05-10 (fr)
Motd/2012-05-10 (mk) Motd/2012-05-10 (ru) Motd/2012-05-10 (zh-hans)