fulmars nesting on inclined, eroded mudstone strata of the bressay flagstone formation at sumburgh head in south shetland, uk

and aquatic avian bird birding breeding bressay cliff coast coastline eroded fauna fulmar fulmarus glacialis gray grey group incline inclined islands layered layers natural nature nesting north outdoor people petrel petrels population remote rock rocks sandstone scotland scottish sea seabird seascape shearwater shearwaters shetland shetlands strata sunny sunshine tourism water wild wildlife