Brent Stephenson / Northern giant petrel (Macronectes halli) moving through water, off Kaikoura, Canterbury, New Zealand, November.

Brent Stephenson / Summit of Aoraki / Mount Cook, as seen from the south at Aoraki / Mount Cook Village, Mount Cook National Park, Canterbury, New Zealand, November 2011.

Brent Stephenson / Juvenile Black stilt (Himantopus novaezelandiae) standing on one leg, Glentanner, Canterbury, New Zealand, November, Critically endangered species.

Brent Stephenson / Cape petrel (Daption capense) flying over sea, off Kaikoura, Canterbury, New Zealand, November.

Brent Stephenson / Juvenile Northern Royal albatross (Diomedea sanfordi) flying over sea, with the Kaikoura coastline in the background, off Kaikoura, Canterbury, New Zealand, November, Vulnerable species.

Brent Stephenson / Cape petrel (Daption capense) gliding, with sea and Kaikoura coastline in the background, Off Kaikoura, Canterbury, New Zealand, November.

Brent Stephenson / New Zealand albatross (Diomedea antipodensis) on sea surface, off Kaikoura, Canterbury, New Zealand, November, Vulnerable species.

Brent Stephenson / New Zealand albatross (Diomedea antipodensis) head portrait, on sea, off Kaikoura, Canterbury, New Zealand, November, Vulnerable species.

Brent Stephenson / Sooty shearwater (Puffinus griseus) flying low over sea, off Kaikoura, Canterbury, New Zealand, November.

Brent Stephenson / Salvin's albatross (Thalassarche salvini) taking off from sea surface, off Kaikoura, Canterbury, New Zealand, November, Vulnerable species.

Brent Stephenson / Sooty shearwater (Puffinus griseus) flying over sea, off Kaikoura, Canterbury, New Zealand, November.

Brent Stephenson / White chinned petrel (Procellaria aequinoctialis) flying over sea, off Kaikoura, Canterbury, New Zealand, November, Vulnerable species.

Brent Stephenson / Northern giant petrel (Macronectes halli) with wings stretched on water, off Kaikoura, Canterbury, New Zealand, November.

Brent Stephenson / Salvin's albatross (Thalassarche salvini) landing on sea, off Kaikoura, Canterbury, New Zealand, November, Vulnerable species.

Brent Stephenson / Northern giant petrel (Macronectes halli) taking off from water. Off Kaikoura, Canterbury, New Zealand, November.

Andy Trowbridge / Mount Cook / Aoraki (height 3754m) with cap cloud forming. Aoraki/Mount Cook National Park, MacKenzie District, Canterbury Region, New Zealand. December 2006.

Andy Trowbridge / Mount Cook / Aoraki (height 3754m) with cap cloud forming, above the Hooker Valley, glacier lake in foreground. Aoraki/Mount Cook National Park, MacKenzie District, Canterbury Region, New Zealand. Dec...

Andy Trowbridge / Mount Cook / Aoraki (height 3754m) with cap cloud forming, above the Hooker Valley, glacier lake in foreground. Aoraki/Mount Cook National Park, MacKenzie District, Canterbury Region, New Zealand. Dec...

Andy Trowbridge / Paradise Shelduck (Tadorna variegata) female standing on boulder. Aoraki/Mount Cook National Park, MacKenzie District, Canterbury Region, New Zealand. December. Endemic species.

Andy Trowbridge / Mount Cook / Aoraki (height 3754m) above the Hooker Valley, Aoraki / Mount Cook National Park, MacKenzie District, Canterbury Region, New Zealand. December 2006.

Andy Trowbridge / Jewelled gecko (Naultinus gemmeus) resting on trunk of New Zealand fushia tree (Fuchsia excorticata) with tongue poking out, Banks Peninsula, Canterbury, South Island, New Zealand.

Andy Trowbridge / Jewelled gecko (Naultinus gemmeus) resting on trunk of New Zealand fushia tree (Fuchsia excorticata) cleaning eye with tongue, Banks Peninsula, Canterbury, South Island, New Zealand.

Andy Trowbridge / Eastern great egret (Ardea alba modesta) standing in shallow water with fish prey in beak, Lake McGregor, Canterbury, South Island, New Zealand.

Ashish & Shanthi Chandola / Sunrise over the Pacific Ocean. Kaikoura, Canterbury, South island, New Zealand. April 2017

Andy Trowbridge / Australasian crested grebe (Podiceps cristatus australis) pair in courtship display, portrait. Lake Camp, Ashburton Lakes, Canterbury, New Zealand. August.

Frederique Olivier / Aerial tracking shot of Rakaia river, Canterbury region, New Zealand, 2017.

Frederique Olivier / Aerial tracking shot of Rakaia river, Canterbury region, New Zealand, 2017.

Frederique Olivier / Aerial tracking shot of Rakaia river, with a man fishing, Canterbury region, New Zealand, 2017.

Frederique Olivier / Aerial tracking shot of Rakaia river, Canterbury region, New Zealand, 2017.