sanderling juvenile autumn

agency alba animal aquamarine autumn autumnal avian beach beak bird birding birdlife birdwatching black blue britain british calidris coast color colour dark england environment estuary eurasia eurasian europe fauna feathers gray grey harbor harbour juvenile kingdom marine migratory natural nature ocean ornithology patch pebble pebbles plumage plump reserve ripples rother rye sanderling sandpiper sandploughman sea seashore seaside shingle shore shoulder small southeast spangled stint sussex thick tidal tide trust united wader water waves wet white wild wilderness wildlife winter