Saddle-billed stork (Ephippiorhynchus senegalensis), Chobe National Park, Botswana, Africa

Mugger crocodile (Crocodylus palustris) by the Senanayake Samudraya Lake, Gal Oya National Park, Sri Lanka, Indian subcontinent, South Asia

Mahaweli River, Uva province, Sri Lanka, Indian subcontinent, South Asia

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

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

A young saltwater crocodile (Crocodylus porosus), sunning itself on the banks of Porosus Creek, Kimberley, Western Australia, Australia, Pacific

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

A view of a minor waterfall on the Mitchell River viewed from a helicopter, Kimberley, Western Australia, Australia, Pacific

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

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