Hiroya Minakuchi / Amazon River Dolphin (Inia geoffrensis), Rio Negro, Brazil

Hiroya Minakuchi / Amazon River Dolphin (Inia geoffrensis) spy-hopping, Rio Negro, Brazil

Hiroya Minakuchi / Amazon River Dolphin (Inia geoffrensis), Rio Negro, Brazil

Peter Cairns / 2020VISION / Estuarine river inlet running across mudflats at dawn, Morecambe Bay, Cumbria, England, UK, February. 2020VISION Book Plate.

Konrad Wothe / Estuarine / Saltwater crocodile (Crocodylus porosus) amongst mangrove roots, Daintree National Park, Queensland, Australia, October

Ingo Arndt / Saltwater Crocodile (Crocodylus porosus) swimming, Northern Territory, Australia

Kevin Schafer / Amazon River Dolphin (Inia geoffrensis) in flooded forest, Rio Negro, Amazonia, Brazil

Kevin Schafer / Amazon River Dolphin (Inia geoffrensis) in flooded forest, Rio Negro, Amazonia, Brazil

Kevin Schafer / Amazon River Dolphin (Inia geoffrensis) playing with floating seed, Rio Negro, Amazonia, Brazil

Kevin Schafer / Amazon River Dolphin (Inia geoffrensis) jumping, Rio Negro, Amazonia, Brazil

Kevin Schafer / Amazon River Dolphin (Inia geoffrensis) mother and baby swimming through flooded forest, Rio Negro, Amazonia, Brazil

Kevin Schafer / Amazon River Dolphin (Inia geoffrensis) group swimming, Rio Negro, Amazonia, Brazil