David Tipling / Flock of Knot (Calidris canutus) chased by a Peregrine as they arrive to roost at high tide, Cormorants in foreground, Snettisham RSPB Reserve, The Wash, Norfolk, September.

Jack Dykinga / Patterns in the tidal flats of the delta where the delta is swept by tidal encroachment from the Gulf of California. Evidence of the fresh water flow is observable as plant life turns green. Colorado...

Jurgen Freund / Timelapse of the tide rising at Cape Leveque, with Mangroves (Rhizophora) in the foreground, Kimberley, Western Australia, 2016

Jurgen Freund / Timelapse of the tide rising in a Mangrove (Rhizophora) forest, Daintree, Wet Tropics World Heritage Area, North Queensland, Australia.

Jurgen Freund / Timelapse of Periwinkle snails (Littoraria) climbing up Mangrove (Rhizophora) roots at lowtide, Daintree, Wet Tropics World Heritage Area, North Queensland, Australia.

Pedro Narra / Aerial view of low tide in Sado estuary, Portugal. November

Guy Edwardes / St. Michael's Mount, Marazion, Cornwall, England, UK. September 2016.

John Waters / Large mixed flock of Knot (Calidris canutrus), Dunlin (Calidris alpina) and Golden plover (Pluvialis apricaria) in flight at high tide, Steart Marshes WWT Reserve, Somerset, England, UK, December.

Ross Hoddinott / Trevose Lighthouse at dusk, long exposure at high tide, Trevose, Cornwall, UK. January 2015.

Ernie Janes / Low tide on the Wash, Snettisham, Norfolk, England, UK, February.

Graham Eaton,Graham Eaton / A hatchling Leatherback Turtle (Dermochelys coriacea) nearing the waters edge, Cayenne, French Guiana

Adam Burton / High tide water trails on Shippen beach at Hope Cove, South Hams, Devon, England. January 2009.

Fred Bavendam / Horseshoe Crab (Limulus polyphemus) group crawling ashore on the high tides of spring to lay their eggs in Delaware Bay's sandy beaches, New Jersey

Fred Bavendam / Horseshoe Crab (Limulus polyphemus) group crawling ashore on the high tides of spring to lay their eggs in Delaware Bay's sandy beaches, New Jersey

Shane Gross / Aerial view of tidal channels in marshland. Mockhorn Island State Wildlife Management Area, Virginia, USA. May 2019.

Shane Gross / Aerial view of tidal channels in marshland. Mockhorn Island State Wildlife Management Area, Virginia, USA. May 2019.

Shane Gross / Aerial view of tidal channels in marshland, with tree like appearance. Mockhorn Island State Wildlife Management Area, Virginia, USA. May 2019.

Jack Dykinga / Aerial view of alluvial patterns in tidal mudflats of Colorado River Delta, where there is tidal encroachment from the Gulf of California. Waterfalls approximately 8 feet high pour off the delta with...

Jack Dykinga / Aerial view of alluvial patterns in tidal mudflats of Colorado River Delta, where there is tidal encroachment from the Gulf of California. Waterfalls approximately 8 feet high pour off the delta with...

Jack Dykinga / Aerial view of alluvial patterns in tidal mudflats of Colorado River Delta where there is tidal encroachment from the Gulf of California. Baja California, Mexico, 2019.

Jack Dykinga / Aerial view of patterns in tidal mudflats of Colorado River Delta where there is tidal encroachment from the Gulf of California. Baja California, Mexico. 2019.

Jack Dykinga / Aerial view of patterns in tidal mudflats of Colorado River Delta where there is tidal encroachment from the Gulf of California. Baja California, Mexico, 2019.

Jack Dykinga / Aerial view of patterns in tidal mudflats of Colorado River Delta where there is tidal encroachment from the Gulf of California. Baja California, Mexico, 2019.

Guy Edwardes / Storm Ciara battering coast at Porthleven, Cornwall, England, UK. February 2020.

Guy Edwardes / Porthcawl Lighthouse battered by Storm Ciara, man photographing storm from sea wall. Porthcawl, Mid Glamorgan, Wales, UK. February 2020.

Guy Edwardes / Porthcawl Lighthouse and sea wall battered by Storm Ciara. Mid Glamorgan, Wales, UK. February 2020.

Guy Edwardes / Waves crashing against sea wall during Storm Ciara, group of people storm watching. Porthcawl Lighthouse, Mid Glamorgan, Wales, UK. February 2020.

Guy Edwardes / Waves crashing against coast during Storm Ciara, group of people storm watching on sea wall. Porthcawl Lighthouse, Mid Glamorgan, Wales, UK. February 2020.

Guy Edwardes / Waves crashing against coast during Storm Ciara, people storm watching on sea wall. Porthcawl Lighthouse, Mid Glamorgan, Wales, UK. February 2020.

Guy Edwardes / Waves crashing against coast during Storm Ciara, people storm watching on sea wall. Porthcawl Lighthouse, Mid Glamorgan, Wales, UK. February 2020.

Guy Edwardes / Waves crashing against sea wall and Porthcawl Lighthouse during Storm Ciara, people storm watching surrounded by waves. Mid Glamorgan, Wales, UK. February 2020.

Guy Edwardes / Waves crashing against coast at Porthcawl Lighthouse during Storm Ciara, people storm watching on sea wall. Mid Glamorgan, Wales, UK. February 2020.

Guy Edwardes / Storm Ciara battering Porthcawl Lighthouse and coastline, people watching waves from sea wall. Mid Glamorgan, Wales, UK. February 2020.

Ernie Janes / Autumn high tides with stormy skies and rainbow over the sea, Walcott, Norfolk, England, UK, September.

Ross Hoddinott / Welcombe Mouth at high tide, evening light, taken with exposure, Welcombe, North Devon, UK. April.

Ross Hoddinott / Porthleven harbour wall at high tide, sunrise, Cornwall, UK. February 2020.

Ross Hoddinott / Godrevy lighthouse at high tide, near Hayle, West Cornwall, UK. October 2019.

Nick Upton / Wigeon (Anas penelope) swimming up a tidal creek as a high tide rises to cover the mudflats and salt marshes, Severn Estuary, Somerset, UK, January.

Nick Upton / Wigeon (Anas penelope) swimming up a tidal creek as a high tide rises to cover the mudflats, Severn Estuary, Somerset, UK, January.

David Hall / Acorn barnacles (Semibalanus cariosus) and (Balanus glandula), Mussels (Mytilus sp.), and Plumose anemones (Metridium senile) underwater at high tide, Seven Tree Island, Browning Pass, Queen Charlotte...

Milan Radisics / RioTinto tidal area and saltmarshes, with healthy vegetation and red silt containing pyrite (an iron mineral common in sediments). The silt is deposited by constant tidal flooding. This image was take...

Milan Radisics / RioTinto tidal area and saltmarshes, with healthy vegetation and red silt containing pyrite (an iron mineral common in sediments). The silt is deposited by constant tidal flooding. This image was take...

Milan Radisics / RioTinto tidal area and saltmarshes, with healthy vegetation and red silt containing pyrite (an iron mineral common in sediments). The silt is deposited by constant tidal flooding. This image was take...

Jack Dykinga / Patterns in the tidal flats of the Colorado River Delta where the delta is swept by tidal encroachment from the Gulf of California. Receding tide causes waterfalls approximately eight feet high, as...

Jack Dykinga / Patterns in the tidal flats of the Colorado River Delta where the delta is swept by tidal encroachment from the Gulf of California. Receding tide causes waterfalls approximately eight feet high, as wa...

Jack Dykinga / Patterns in the tidal flats of the Colorado River Delta where the delta is swept by tidal encroachment from the Gulf of California. Receding tide causes waterfalls approximately eight feet high, as wa...

Jack Dykinga / Patterns in the tidal flats of the Colorado River Delta where the delta is swept by tidal encroachment from the Gulf of California. Receding tide causes waterfalls approximately eight feet high, as...

Jack Dykinga / Patterns in the tidal flats of the Colorado River Delta where the delta is swept by tidal encroachment from the Gulf of California. Receding tide causes waterfalls approximately eight feet high, as wa...