Lynn M. Stone / Sanderling (Calidris alba) foraging on beach. Indian Shores, Pinellas County, Florida, USA.

Lynn M. Stone / American oystercatcher (Haematopus palliatus) foraging at waters edge, Indian Shores, Florida, Gulf of Mexico, USA

Richard Du Toit / Aerial photograph, de Mond Nature Reserve, South Africa, Western Cape Province, Indian Ocean, August 2010

Richard Du Toit / Aerial photograph of Indian ocean and forests, northern KwaZulu-Natal Province, South Africa, June 2010

Michael Pitts / Shipwrecks on the Island of Mauritius.

Willem Kolvoort / A beach with palm trees and boats in the distance, Assumption, Seychelles, March 2006

Willem Kolvoort / The beach on the island Picard with fallen tree, situated on the north-west side at the Aldabra atoll. Aldabra, Seychelles, March 2005.

Willem Kolvoort / Lagoon with beaches and little coral islands which are eroded parts of the old coral reef. Aldabra, Seychelles, April 2006

Willem Kolvoort / Anse de Mais beach with tracks of the Green Turtles (Chelonia mydas) on the beach which is nesting site for these turtles. Aldabra, Seychelles, April 2005

Willem Kolvoort / Anse de Mais beach seen from underneath arch, with tracks of the Green Turtles (Chelonia mydas) on the beach which is nesting site for these turtles. Aldabra, Seychelles, April 2005

Richard Du Toit / Aerial Photograph of Kosi Bay, KwaZulu-Natal Province, South Africa; Indian Ocean. June 2010

Richard Du Toit / Aerial Photograph of Lake Sibaya / Sibhayi, KwaZulu-Natal Province, South Africa, Indian Ocean, June 2010

Richard Du Toit / Aerial Photograph of Lake Sibaya / Sibhayi, KwaZulu-Natal Province, South Africa, Indian Ocean, June 2010

Axel Gomille / Marsh Crocodile or Mugger (Crocodylus palustris) basking, with mouth open for thermoregulation, Cauvery river, Karnataka, India

Gertrud & Helmut Denzau / On the shores of Tsomoris Lake (salt lake), Ladakh, North East India

Nick Garbutt / Boats and slum huts on the shores of River Ganges, Garnmuktesar, Uttar Pradesh, India

Heidi & Hans-Juergen Koch / Brown Pelican (Pelecanus occidentalis) in breeding plumage sitting on the beach, Indian Shores, Florida

Heidi & Hans-Juergen Koch / Brown Pelican (Pelecanus occidentalis) with breeding plumage sitting on driftwood, Indian Shores, Florida

Heidi & Hans-Juergen Koch / Brown Pelican (Pelecanus occidentalis) in breeding plumage, Indian Shores, Florida

Heidi & Hans-Juergen Koch / Brown Pelican (Pelecanus occidentalis) in sea grass at the beach, collecting nesting material during mating season, Indian Shores, Florida

Heidi & Hans-Juergen Koch / Brown Pelican (Pelecanus occidentalis) bathing, Indian Shores, Florida

Onne van der Wal / Woman sat reading a book on the bow of a cruising catamaran anchored by eroded granite boulders that line the shores of the Seychelles, Indian Ocean.

Heidi & Hans-Juergen Koch / Brown Pelican (Pelecanus occidentalis) in breeding plumage sitting on the beach in late afternoon, Indian Shores, Florida

Heidi & Hans-Juergen Koch / Brown Pelican (Pelecanus occidentalis) pair silhouetted on beach at sunset, Indian Shores, Florida

Heidi & Hans-Juergen Koch / Brown Pelican (Pelecanus occidentalis) on beach with wings spread to dry wet feathers, Indian Shores, Florida

Heidi & Hans-Juergen Koch / Brown Pelican (Pelecanus occidentalis) standing on the beach in the late afternoon light, Indian Shores, Florida

Heidi & Hans-Juergen Koch / Brown Pelican (Pelecanus occidentalis) in breeding plumage standing on beach with wings spread, preening, Indian Shores, Florida

Heidi & Hans-Juergen Koch / Brown Pelican (Pelecanus occidentalis) close-up of a juvenile's eyes, Indian Shores, Florida

Oriol Alamany / Gharial (Gavialis gangeticus) on the shores of Chambal river, National Chambal Sanctuary, Uttar Pradesh, India. Critically endangered.

Oriol Alamany / Gharial (Gavialis gangeticus) on the shores of Chambal river, National Chambal Sanctuary, Uttar Pradesh, India. Critically endangered.