River Ogmore estuary, Ogmore-by-Sea, Bridgend, South Wales, United Kingdom

Adult sanderling (Calidris alba) feeding on the tidal flat in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

The intertidal zone of the Quantock Coast, West Somerset, contains an abundance of geology and wildlife. It is a Site of Special Scientific Interest (SSSI) and is of international geological importance.

Footprint in tidal mud flats, North Sea, Germany, Europe

Breakwaters or groynes, coastal protection measures, Noderfriedrichskoog tidal flats, Nationalpark Schleswig-Holsteinisches Wattenmeer, Schleswig-Holstein Wadden Sea National Park, Eiderstedt peninsula, North Friesland region, Schleswig-Holstein, Germany,

Saltwort tidal flats, pioneer vegetation, salt marsh vegetation (Salicornia), red in autumn, Norderfriedrichskoog tidal flats, Nationalpark Schleswig-Holsteinisches Wattenmeer, Schleswig-Holstein Wadden Sea National Park, Eiderstedt peninsula, North Fries

View across the Wadden Sea with coastal protection, groynes, Hallig Langeness, small island, at back, North Sea shore, Schleswig-Holstein Wadden Sea National Park, Dithmarschen region, Schleswig-Holstein, Germany, Europe

Aerial view, tidal flat between Harlesiel and Wangerooge, Wadden Sea National Park, coast, North Sea, North Frisia, Schleswig-Holstein, Germany, Europe

Isle of Harris, part of the island Lewis and Harris in the Outer Hebrides of Scotland. The coastal salt marsh near Northton during sunset. Europe, Scotland, July

Isle of Harris, part of the island Lewis and Harris in the Outer Hebrides of Scotland. The coastal salt marsh near Northton during sunset. Europe, Scotland, July

Isle of Lewis, part of the island Lewis and Harris in the Outer Hebrides of Scotland. The Uig Bay ( Traigh Uuige) with bladder wrack (Fucus vesiculosus). Europe, Scotland, July

Aerial view of Wadden Sea, city and road across sea, Den Helder, Netherlands

Sunset Beach

Sandhill crane (Grus canadensis) migrating north in late April to nesting grounds in Alaska, cries out from a farmer's field in Palmer, Alaska. Located in the Matanuska Valley, Palmer was founded as an agricultural colony in the mid-20th century, Palmer, Alaska, United States of America

Hawaii, Oahu, North Shore, Waimea Shorebreak, rough seas, soft sunlight

Hawaii, Oahu, Waimea Bay; big wave curling and crashing

Hawaii, Oahu, North Shore, Waimea Shorebreak, rough seas, soft sunlight

Hawaii, Oahu, North Shore, large wave curling breaking with white mist blowing back.

Hawaii, Large blue, curling wave, mountain and beach in the background.

Hawaii, Oahu, North Shore; large wave curling breaking with white mist blowing back.

Blue wave curling over.

Hawaii, Waves crash in the morning light.

Hawaii, Curling wave, white spray, blue sky and clouds.