Royal Mail stamps highlight threatened UK mammals

A hedgehog from Tiggywinkles, a specialist hospital dedicated to rescuing and rehabilitating all species of British wildlife, helps Royal Mail launch its collection of stamps featuring 10 threatened UK mammals Photograph: Royal Mail/PA Photograph: Royal Mail/guardian.co.uk Hedgehog Photograph: Royal Mail/PA Photograph: Royal Mail/guardian.co.uk Wildcat Photograph: Royal Mail/PA Photograph: Royal Mail/guardian.co.uk Sperm whale Photograph: Royal Mail/PA Photograph: Royal Mail/guardian.co.uk Water vole Photograph: Royal Mail/PA Photograph: Royal Mail/guardian.co.uk Greater horseshoe bat Photograph: Royal Mail/PA Photograph: Royal Mail/guardian.co.uk Polecat Photograph: Royal Mail/PA Photograph: Royal Mail/guardian.co.uk Otter Photograph: Royal Mail/PA Photograph: Royal Mail/guardian.co.uk Humpback whale Photograph: Royal Mail/PA Photograph: Royal Mail/guardian.co.uk Dormouse Photograph: Royal Mail/PA Photograph: Royal Mail/guardian.co.uk Brown long-eared bat Photograph: Royal Mail/PA Photograph: Royal Mail/guardian.co.uk