Slovenia Post has collaborated with WWF organization issued the stamp set features the specific species of Slovenia, Stone crayfish. The issue comprises of 4 postage stamps and one local official first day cover. All stamp depicted this species in their environment and have marked of WWF logo .
The Local WWF Cover of this stamp series presented in the other blogs “Stone crayfish” . This official FDC released together with the issue of stamps.
Three species of crayfish live in fresh water in Slovenia: the noble crayfish, the stone crayfish and white-clawed crayfish.
The stone crayfish or Austropotamobius torrentium, is a European species of freshwater crayfish in the family Astacidae.
It is mostly found in tributaries of the Danube, having originated in the northern part of the Balkan Peninsula..
Its range extends throughout central and southern Europe. In Slovenia it is widespread mainly in the Sava and Drava watersheds, and is less present in the Primorska and Pomurje regions.