Moor frog
The Moor Frog, Wolterstorff's Frog, Swedish swamp frog, Siberian frog, or Altai swamp frog (Rana arvalis) is a species of frog. It is part of the family Ranidae.  It lives in many parts of Europe and Asia, as far north as Siberia. It is skinny, reddish-brown and semi-aquatic amphibians.