Grenouille verte /Grenouille de Lessona (F); Klein Groene /Groene Kikker (NL); Ätlig Groda /Dammgroda (S); Grøn frø /Kortbenet Grøn frø (DK); Skokan zelený (CZ)

Widespread throughout Europe at lower altitudes, isolated populations in central Scandinavia. Absent on the Iberian and Italian peninsula and in the southern Balkans. Status in England unclear.

Rana lessonae
about 4,5-5,5 cm;
about 5-6,5 cm

Rana kl. esculenta:
about 5-9 cm;
about 6-11 cm

Pupil: , horizontal, oval;

Metamorphosed Animal:
R.kl.esculenta is a hybrid between R.lessonae and R.ridibunda
(Marsh frog).
R.lessonae with its rather yellow-green, hardly spotted back and white belly, is often found together with R.kl.esculenta, which is usually more spotted, both with light vertebral stripe. Identification difficult.
Metatarsal tubercles of both are obvious larger than in Lake frog (photo).
have grey nuptial pads on thumbs.
Attention: Young frogs often have a dark temporal patch in their first year. Usually easily distinguishable by their green colour.


Pool frog Pelophylax (Rana) lessonae
and Edible frog Pelophylax
(Rana kl. esculenta)
kl. esculentus
Green frog complex

Adult forms
(difficult distincion, hybridized/bastardized)
XXL slide




Mating: May/June.

Call: Call of R.lessonae sounds like a steady crack of onto 1.5 sec. length. In R.kl.esculenta it is possible to hear the tones separately in a series of the same length.

The vocal sac, becoming visible in calling, is usually white or pale in both forms.