Image 8 of 19
Marsh Frog Pelophylax ridibunda Length 11-13cm Relatively large and impressive frog, adults of which are often strikingly green with warts and dark spots. When singing (a croaking Whoa-aa-aa-aa) a male shows grey vocal sacs. Extremely tied to water, favouring still or very slow-flowing channels. Introduced to and established in coastal marshes in SE England.