Royal Mail has recently launched some new stamps which feature  ten of our endangered indigenous mammals. The stamps which were launched on the 13th of April feature the humpback whale, wildcat, brown long eared bat, polecat, sperm whale, water vole, greater horseshoe bat, otter, dormouse and hedgehog. The stamps are being backed by the Norfolk Wildlife Trust which has seen some success with its conservation programs providing better protection for otters in their local area.