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DescriptionRanaArvalisBlueMale3.jpg
English: Male specimen of the Moor frog (Rana arvalis), at the climax of the spawning season. For a few days the males of this species appear blue-dyed.
Deutsch: Männchen des Moorfrosches (Rana arvalis) während der Hochphase der Laichzeit, mit kurzzeitig intensiver Blaufärbung.
Italiano: Maschio di Rana arvalis durante il culmine del periodo riproduttivo. Per alcuni giorni i maschi assumono una vistosa colorazione celeste.
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Picture taken with:. Location: North-eastern Lower Saxony, Germany.
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