Neil Aldridge / Black rhinoceros (Diceros bicornis) stands in evening light on Chief's Island in Okavango Delta, Botswana,. This rhino was released in the Okavango Delta as part of efforts to rebuild the rhino popula...

Marie Read / Roseate spoonbill (Ajaia ajaja) adult in breeding plumage preening tail feathers, Black Point Wildlife Drive, Merritt Island National Wildlife Refuge, Florida, USA, January.

Duncan Murrell / Mangroves on Tupeti Island, Southern Lagoon, Forgotten Coast, Lagoons of New Caledonia: Reef Diversity and Associated Ecosystems UNESCO World Heritage Site. New Caledonia.

Alex Hyde / Southern Elephant Seal bull (Mirounga leonina) close up portrait, King Haakon Bay, South Georgia. November.

Alex Hyde / Southern Elephant Seals (Mirounga leonina) pup with mother. King Haakon Bay, South Georgia. November.

Alex Hyde / Colonies of King penguins (Aptenodytes patagonicus) and Southern Elephant Seals (Mirounga leonina) on beach at St. Andrews Bay, South Georgia. November.

David Tipling / Snow petrel (Pagadroma nivea nivea) flying around Iceberg off South Georgia, Southern Ocean January

David Tipling / King penguin (Aptenodytes patagonicus) Trollheim South Georgia, January.

David Tipling / Wandering albatross (Diomedea exulans) Southern Ocean near South Georgia, November

Seth Patterson / A compilation of items found washed up along a half mile stretch of the high tide line of South Padre Island, Texas. October 2016. Some of the plastic bottles and bags of signs of nip marks from hun...

Richard Robinson / Snares crested penguin (Eudyptes robustus) on rock washed with sea surf, Snares (Tine Heke) Sub Antarctic Island Group, Southern Ocean, New Zealand. December 2016. Editorial use only.

Frederique Olivier / Southern rockhopper penguin (Eudyptes chrysocome) at nest in breeding colony, stretching and knocking chick over, New Island, Falkland Islands.