River boat on the Congo river, Mbandaka, Equateur province, Democratic Republic of Congo, Africa

Aerial of the Congo River, Mbandaka, Equateur province, Democratic Republic of Congo, Africa

Spotted sandpiper (Actitis macularius) non-breeding plumage, common shorebird in the Americas, Nosara River, Nosara, Guanacaste, Costa Rica

Aerial view of the Santa Cruz River around El Calafate, Patagonia, Argentina, South America

River rapids at the Miabi water reservoir, Mbuji Mayi, Eastern Kasai, Democratic Republic of Congo, Africa

A view of the Mitchell River meandering towards Swift Bay as seen from a commercial helicopter, Kimberley, Western Australia, Australia, Pacific

Sangha river, Dzanga Sangha National Park, UNESCO, Central African Republic

Aerial of a dugout canoe on the Congo River, Mbandaka, Equateur province, Democratic Republic of Congo, Africa

Three yellow-spotted river turtles (Podocnemis unifilis) on wooden branch on Lake Sandoval, Tambopata National Reserve near Puerto Maldonado, Tambopata Province, Madre de Dios Region, Peru, South America

Australasian darter bird (Anhinga novaehollandiae) drying wings, snake bird spreading wings, Poovar Island, Kerala, India, Asia