Sebastian Kennerknecht / Snowy Plover (Charadrius nivosus) biologist, Ben Pearl, picking up chick from mud flat in salt pond, Eden Landing Ecological Reserve, Union City, Bay Area, California

Pete Oxford / Salt mounds and evaporation ponds (sea salt production plant started in the 1600's and worked by african slaves) Cargill Solar Salt Works, Pekelmeer lagoon, Bonaire, Netherlands Antilles, Caribbean

Martin Gabriel / Evaporation ponds for production of salt. La Palma Island, Canary Islands, Spain, February 2010.

Tui De Roy / Greater Flamingo (Phoenicopterus ruber) group and Galapagos Sea Lion (Zalophus wollebaeki) sharing Salt Pond, Rabida Island, Galapagos Islands, Ecuador

Sebastian Kennerknecht / Snowy Plover (Charadrius nivosus) nest in restored salt pond with shells laid by biologists to increase camouflage possibilities for adults, Eden Landing Ecological Reserve, Union City, Bay Area, Cali...

Loic Poidevin / Salt evaporation ponds on Ile de Re, Charente-Maritime, France, Atlantic Coast. July 2017. The colours are produced by the concentration of algae or halobacteria that live in the ponds which indicates...

Loic Poidevin / Salt evaporation ponds on Ile de Re, Charente-Maritime, France, Atlantic Coast. July 2017. The colours are produced by the concentration of algae or halobacteria that live in the ponds which indicates...

Loic Poidevin / People collecting salt from salt evaporation ponds and child waving, Olonne, Vendee, France, July.

Loic Poidevin / Looking down at salt evaporation ponds surrounded by the Salt Marshes of Olonne, Vendee, France, July 2017. The colours are produced by the concentration of algae or halobacteria that live in the pond...

Loic Poidevin / Looking down at salt evaporation ponds and salt piles surrounded by the Salt Marshes of Olonne, Vendee, France, July 2017. The colours are produced by the concentration of algae or halobacteria that l...

Loic Poidevin / Man harvesting salt from salt evaporation pond, La Vendee, France, July 2017.

Loic Poidevin / Man collecting salt from salt evaporation pond, L'Ile d'Olonne, Vendee, France, July.