A worldwide community photographing and learning about wildlife
Rana arvalis
Thank you, Daniele. It couldbe a rana arvalis (moor frog) According to Wikipedia the colours can vary and are very vivid.
Oulanka NP Finland, rocky sandy forest with water
H CarolaFichtner, and welcome to Project Noah! This is a frog and not a toad. One of the features by which you can tell are the visible ridges on the back. This one is in the genus Rana. There are two similar species found in Finland: Rana temporaria (Commo frog) and Rana arvalis (Moor frog).