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 kl. esculenta:
Pupil: , horizontal, oval;
R.kl.esculenta is a hybrid between R.lessonae and R.ridibunda
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).
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
(difficult distincion, hybridized/bastardized)
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