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

LYNN M. STONE / Chesapeake Bay retriever, female, standing by salt marsh pond, Waterford, Connecticut, USA

LYNN M. STONE / Chesapeake Bay retriever, female, sitting by salt marsh pond, Waterford, Connecticut, USA

LYNN M. STONE / Black Labrador Retriever on retrieve, running through shallows of pond in salt marsh, Rhode Island, USA

Tui De Roy / Lava Gull (Larus fuliginosus) feeding on mullet in salt pond, Galapagos Islands, Ecuador

Doug Wechsler / Diamondback Terrapin {Malaclemys terrapin} juvenile in salt marsh, Stone Harbor, New Jersey, USA

Albert Lleal / Old evaporative salt ponds of Janubio near Lanzarote, Canary Islands, Spain

Albert Lleal / Old evaporative salt ponds of Janubio near Lanzarote, Canary Islands, Spain

Nick Upton / Pond bats {Myotis dasycneme} hibernating in old salt mine, Estonia

Doug Wechsler / Diamondback Terrapin {Malaclemys terrapin} juvenile in salt marsh, Delaware Bay, New Jersey, USA