Shane Gross / Lemon shark juvenile (Negaprion brevirostris) swimming in mangrove habitat near blue crab (Callinectes sapidus), a prey species for the shark. Eleuthera, Bahamas.
Shane Gross / Lemon shark juvenile (Negaprion brevirostris) trying to feed on the leaves of a red mangrove (Rhizophora mangle). As pups, the sharks have to learn to hunt for themselves and sometimes make mistakes....
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.
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.
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...
Ross Hoddinott / Luskentye beach, mountains and incoming tide, Isle of Lewis and Harris, Outer Hebrides, Scotland, UK. October 2018.
Juergen Freund / Timelapse of the tide rising at Cape Leveque, with Mangroves (Rhizophora) in the foreground, Kimberley, Western Australia, 2016
Juergen Freund / Timelapse of the tide rising in a Mangrove (Rhizophora) forest, Daintree, Wet Tropics World Heritage Area, North Queensland, Australia.
Juergen 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 / Gatklettur, Arnarstapi, Snaefellsnes Peninsula, Iceland, March 2017.
Guy Edwardes / Luskentyre beach with three people wading in water, Isle of Harris, Outer Hebrides, Scotland, UK. June 2012.
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.
Theo Bosboom / Limpets (Patellidae) exposed at low tide on the coast of Playa de Ursa, Portugal. Finalist in the Animals in their Environment Category of the Wildlife Photographer of the Year Awards (WPOY) Competiti...
Guy Edwardes / View over Pednvounder Beach towards Logan Rock, Porthcurno, Cornwall, England, UK. April 2009.
Benjamin Barthelemy / Long exposure of tidal water flowing off rocks, with the Okshornan Mountains in the background, Isle of Senja, Troms, Norway, February 2015.
Ross Hoddinott / Ice on black volcanic sand beach with waves, Jokulsarlon, Southeast Iceland, February.
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.
Tui De Roy / Dead Sally-lightfoot crab (Grapsus grapsus) washed up in surf, Puerto Egas, James Bay, Santiago Island, Galapagos, Ecuador, May.
Erlend Haarberg / Rorbu houses in front of Festhelltinden mountain, Hamnoy, Moskenes, Lofoten, Norway, December.
Steven Kazlowski / Polar bear (Ursus maritimus) curious young bear approaching camera, over newly forming pack ice during autumn freeze up, Beaufort Sea, off Arctic coast, Alaska
Ross Hoddinott / Waves washing up Elgol beach in the evening light with a view of the Cuillins, Strathaird peninsula, Isle of Skye, Scotland, UK. December 2013.
Ross Hoddinott / Sunset at Trebarwith Strand with incoming tide, North Cornwall, UK. March 2014.
Mark Taylor / Waves breaking against sea wall and cliffs, Seaford, Sussex, England, UK, 15th February 2014.
Ernie Janes / Oystercatcher (Haematopus ostralegus) footprints on sand at low tide, Norfolk, England, UK, November.
Peter Cairns / Isle of Rum at sunset viewed from Eigg, Scotland, April 2013.
Charlie Summers / Black Bear (Ursus americanus) hunting for spawning Salmon during low tide, Neets Creek estuary, Alaska, July.
Tom Gilks / Zanzibari woman at low tide with harvested seaweed (eucheuma spinosum) Matemwe, Zanzibar, Tanzania
Jean E. Roche / Stormy seas washing on the shore of Camargue, France, October 2012.
Jean E. Roche / Beaver (Castor fiber) on beach, Camargue, France, November.
Ingo Arndt / Olive ridley sea turtles (Lepidochelys olivacea) females coming ashore at twilight during an arribada (mass nesting event) to lay eggs, Pacific Coast, Ostional, Costa Rica.
Colin Varndell,Colin Varndell / Shoreline beneath Bat's Head, East Dorset, UK, February 2013.
Ernie Janes,Ernie Janes / RSPB Nature reserve at Titchwell Marsh Norfolk, May
Merryn Thomas / Man taking a photograph of Three Cliffs Bay, Gower, Swansea, Wales. January 2013. Model released.
Graham Eaton / Leatherback Turtle Hatchling (Dermochelys coriacea) crossing a beach towards the sea at sunrise, Cayenne, French Guiana, July
Graham Eaton,Graham Eaton / A hatchling Leatherback Turtle (Dermochelys coriacea) nearing the waters edge, Cayenne, French Guiana
Graham Eaton / Jurassic ammonite on a beach, with the Jurassic Bridport Sandstone cliffs in the background, Jurassic Coast, Burton Bradstock, Dorset, March 2012
Benjamin Barthelemy / Landscape view of the Devil's Jaw, Ersfjord, Senja, Norway, February.
Sven Zacek,Sven Zacek / Waves along the Baltic Sea coast of Northern Estonia. January 2012.
David Tipling / 2020VISION / Oystercatchers (Haematopus ostralegus) moving in front of incoming tide, The Wash estuary, Norfolk, England, UK, January.
Eric Baccega / Flowerpot sea stacks with outgoing tide at Hopewell Rocks. The world's highest tides. Bay of Fundy, New Brunswick, Canada, September 2010
David Woodfall / Traditional lave net fisherman (a method dating back at least 1,500 years) fishing for salmon. This Severn Estuary way of life is threatened by proposed barrage. Gloucestershire, England, July 2009, M...
Roger Powell / Two Redshank (Tringa totanus) walking along the tideline, Boulmer, Northumberland, UK
Wild Wonders of Europe / Lundgren / Whirlpool in the sea, Saltstraumen, Bodö, Norway, October 2008
Wild Wonders of Europe / Lundgren / The current running out to sea, Saltstraumen, Bodö, Norway, October 2008