guillemots sitting on nesting ledges

ablation anomaly archipelago argillaceous barents beach bedded bind bird birds blue break breeding brunnichs cave clay clayey claystone cliff coarse coast colony course dunnbass erosion fissile geologic geological geology grapholith grotto grounds guillemot horizon island killas leck lomvia main mainsail marine metal novaya ocean oceanography rock rocks rookery sciences sea seacoast seashore shaking shale shore slate south strata structure upturned uria wash water waterfront wave zemlya