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Common Frog Rana temporaria Length 6-10cm Widespread amphibian. Adult male has smooth, moist skin. Usually olive-yellow or greyish brown with variable dark blotching and spots. Darker red animals occur in uplands. Eye has yellow iris with dark, oval pupil. Dark mask runs from eye to eardrum. Underparts are greyish white with faint darker marbling. Hind feet have five webbed toes. In breeding season, acquires bluish throat and swollen nuptial pads on innermost digit of front feet, used for gripping female when mating. Adult female is similar but larger with white granulations on the flanks. Juvenile, when newly metamorphosed resembles miniature adult but with large head. Male utters low-pitched croaking calls when courting. Found in a wide range of habitats if still water is present for breeding. Easy to see in early spring when courting.