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Protecting and preserving Jersey’s wildlife
The Agile Frog (Rana dalmatina) is a light brown or pinkish-buff coloured frog, growing up to 9cm. They have small black spots on their back and an off-white underside and flanks, often with yellow around the base of the hind legs. They are characterised by having relatively long legs with dark-bands and pointed snouts.
Adult Agile Frogs eat earthworms and small insects such as flies and beetles, while tadpoles feed on aquatic plants and detritus.
Adults assemble at their breeding sites from February, with spawn clumps being laid around plant stems in shallow water. In Europe, Agile Frogs breed in shallow pools near the edge of woodland.
In Jersey this species was also historically found in woodland, however it is now restricted to coastal heathland, breeding in shallow ponds in light scrub. The rate of egg development seems to be largely dependent upon temperature, with eggs hatching more quickly when the water is warmer. Tadpoles usually complete their metamorphosis by August.
