Pete Oxford / Fishing boats moored by a jetty. Punta Allen, Sian Ka'an Biosphere Reserve, Quintana Roo, Yucatan Peninsula, Mexico.

Andy Trowbridge / Jewelled gecko (Naultinus gemmeus) on a kanuka bush (Kunzea ericoides). Banks Peninsula; Canterbury, South Island, New Zealand.

Andy Trowbridge / New Zealand Rock Wren (Xenicus gilviventris) pineapple shrub (Dracophyllum menziesii), Homer Tunnel, Fiordland National Park, South Island, New Zealand.

Andy Trowbridge / Moody sky over stoney beach, with mountains just visible in the background, Kaikoura, Canterbury, South Island, New Zealand. September, 2006.

Andy Trowbridge / Cathedral Cove just after sunrise, Hahei, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand. November, 2006.

Andy Trowbridge / European beaver (Castor fiber) walking in snow. Southern Norway. February

Andy Trowbridge / Southern Giant Petrel (Macronectes giganteus) in flight off the coast of Kaikoura, Kaikoura, South Island, New Zealand. February.

Andy Trowbridge / Great Grey Owl (Strix nebulosa) adult and chicks on nest. Nest 'frame' is manmade. Ostersund, Sweden. June.

Andy Trowbridge / Underwater view of rainbow trout (Oncorhynchus mykiss) being released by a fly fisherman in a small spring fed stream, North Canterbury, South Island, New Zealand. December, 2011.

Andy Trowbridge / Great Grey Owl (Strix nebulosa) adult bringing food to chicks on nest. Nest 'frame' is manmade. Ostersund, Sweden. June.

Andy Trowbridge / Yellow-eyed Penguins (Megadyptes antipodes) vocalising with chick. Endangered species. Katiki Point, Moeraki, Otago, New Zealand. January.

Andy Trowbridge / Moeraki Boulder / Kaihinaki, on Koekohe Beach. 60 Million year old mudstone concretions. Moeraki, Waitaki District, Otago Region, South Island, New Zealand. January, 2012. Taken with Blue-n-Gold Polar...

Andy Trowbridge / Yellow-eyed Penguin (Megadyptes antipodes) or Hoiho calling. Katiki Point, Moeraki, Otago, South Island, New Zealand. January. Endangered species

Andy Trowbridge / Sandfly Bay at sunrise. Otago Peninsula, Dunedin, South Island, New Zealand. January, 2012 taken with 'Blue-n-Gold Polariser'

Andy Trowbridge / Split level shot of a fly fisherman (Murray Trowbridge) releasing a large brown trout (Salmo trutta) in a gin clear 'backcountry' river, North Canterbury South Island, New Zealand. January, 2012. Mode...

Andy Trowbridge / Gibson's Albatross / Toroa (Diomedea antipodensis gibsoni) or Kaikoura Coast, Kaikoura, South Island, New Zealand. January.

Andy Trowbridge / Fly fisherman (Michael Watson) practising 'catch and release'. Releasing a large brown trout (Salmo trutta) which was caught in a small spring fed stream, North Canterbury, South Island, New Zealand,...

Andy Trowbridge / Portrait of fly fisherman (Michael Watson) holding a large brown trout (Salmo trutta) prior to release. Caught in a small spring fed stream, North Canterbury, South Island, New Zealand, December, 2003...

Andy Trowbridge / A fly fisherman 'playing' a large brown trout (Salmo trutta) on small spring fed creek, North Canterbury, South Island, New Zealand, December, 2003.

Andy Trowbridge / Fly fisherman (Murray Trowbridge) hooking a large brown trout (Salmo trutta) on the spring fed Hydra Waters, North Canterbury, South Island, New Zealand, November, 2003. Model released.

Andy Trowbridge / Little Shag / Little pied cormorant / Kawaupaka(Microcarbo melanoleucos) perched on bridge railing. Heathcote River, Christchurch, Canterbury, South Island, New Zealand, May

Andy Trowbridge / Australasian Harrier / Harrier hawk / Swamp Harrier (Circus approximans) portrait. Banks Peninsula, Canterbury, South Island, New Zealand.

Andy Trowbridge / Fly fisherman (Michael Watson) 'playing' a large brown trout (Salmo trutta) on small spring fed creek, North Canterbury, South Island, New Zealand, December, 2003. Model Released.

Andy Trowbridge / Fly fisherman (Michael Watson) releasing a large brown trout (Salmo trutta) which was caught on a small spring fed stream. 'Catch and release' is widely practised in New Zealand. North Canterbury, Sou...

Andy Trowbridge / Kea (Nestor notabilis) portrait, Arthur's Psss National Park, Canterbury, South Island, New Zealand. June. Vulnerable species.

Andy Trowbridge / South Island Robin (Petroica australis australis) perched on branch, Inland Kaikoura Range, Marlborough, South Island, New Zealand, April.

Andy Trowbridge / Looking up the Tutoko River from historic suspension bridge. Stormy clouds covering mountains peaks, Tutoko River, Fiordland National Park, South Island, New Zealand, February, 2005.

Andy Trowbridge / Brown trout (Salmo trutta) with artificial dry fly ( Parachute Adams) in corner of mouth. North Canterbury, South Island, New Zealand. January.

Andy Trowbridge / Brown trout (Salmo trutta) having artificial nymph removed with forcep while being held in clear water, North Canterbury, New Zealand. November.

Andy Trowbridge / Blue Duck (Hymenolaimus malacorhynchos) or Whio (Maori name) portrait, endemic to New Zealand.Hollyford River, Fiordland National Park, Southland, South Island, New Zealand. September.

Andy Trowbridge / Shag Rock at sunrise, in 2005. This landmark was almost completely destroyed in the 2011 Christchurch earthquakes, Sumner Beach, Christchurch, South Island, New Zealand. August, 2005.

Andy Trowbridge / White Heron (Egretta alba modesta) fishing in the Heathcote River during winter. Heathcote River, Christchurch, Canterbury, South Island, New Zealand.

Andy Trowbridge / South Island Tomtit (Petroica macrocephala macrocephala) perched on a matagouri bush (Discaria toumatou), Lewis Pass, North Canterbury, South Island, New Zealand. June.

Andy Trowbridge / Broken Hill and clouds being reflected in the calm waters of Lake Pearson Flock Hill Station, Canterbury, South Island, New Zealand. June, 2005.

Andy Trowbridge / Fly fisherman (David Tasker) 'playing' a large brown trout (Salmo trutta) on a small stream, North Canterbury, South Island, New Zealand. October, 2005. Model released.

Andy Trowbridge / Fly fisherman (David Tasker) 'playing' a large brown trout (Salmo trutta) on a small stream, North Canterbury, South Island, New Zealand. October, 2005. Model released.

Andy Trowbridge / New Zealand Rock Wren (Xenicus gilviventris) portait, Homer Tunnel, Fiordland National Park, South Island, New Zealand.

Andy Trowbridge / New Zealand Rock Wren (Xenicus gilviventris) perched on a rock; Homer Tunnel, Fiordland National Park, South Island, New Zealand.

Andy Trowbridge / Fly fisherman (Paul van Klink) 'sight' fishing to brown trout (Salmo trutta) in a gin clear 'backcountry' river, Ugly River, Kahurangi National Park, Buller District, South Island, New Zealand. Decemb...

Andy Trowbridge / Female fly fisher with a 'trophy' brown trout (Salmo trutta) of 12 pounds (5.5kg), Lewis Pass, North Canterbury, South Island, New Zealand. December, 2005.

Andy Trowbridge / A fly fisherman (Paul van Klink) fishing for brown trout (Salmo trutta) on a small spring creek running through farmland. Here the fisherman is fishing 'blind', drifting a weighted nymph through likel...

Andy Trowbridge / Fly fisherman (David Tasker) poses with a very good brown trout (Salmo trutta) prior to it's release, North Canterbury, Selwyn District, South Island, New Zealand. October, 2005. Model released.

Andy Trowbridge / Fly fisherman (Paul van Klink) hooking a lively brown trout (Salmo trutta) in a clear 'backcountry' river, Ugly River, Kahurangi National Park, Buller District, South Island, New Zealand. December, 20...

Andy Trowbridge / Fly fisherman (Paul van Klink) playing a lively brown trout (Salmo trutta) in a clear 'backcountry' river, Ugly River, Kahurangi National Park, Buller District, South Island, New Zealand. December, 20...

Andy Trowbridge / Fly fisherman (Paul van Klink) casting a fly to a sighted brown trout (Salmo trutta) in a gin clear 'backcountry' river, Ugly River, Kahurangi National Park, Buller District, South Island, New Zealand...

Andy Trowbridge / Western Weka (Gallirallus australis australis) foraging for food, Oparara River, Kahurangi National Park, Buller District, South Island, New Zealand. December. Vulnerable species.

Andy Trowbridge / Fly fisherman (Paul van Klink) drifting a fly pass a brown trout (Salmo trutta) in a gin clear 'backcountry' river, Ugly River, Kahurangi National Park, Buller District, South Island, New Zealand. Dec...

Andy Trowbridge / Lake Elmer, Domett Range at the head of the Ugly River Valley. Designated Wilderness Area. Lake Elmer, Kahurangi National Park, Buller District, West Coast, New Zealand. December, 2005.

Andy Trowbridge / Limestone Arch on the Oparara River known as 'Moria Gate'. The Oparara river system has been sculpting the limestone into an intriguing complex of caves, arches and channels for millions of years Opa...

Andy Trowbridge / Giant land snail (Powelliphanta spp.) on wet moss, Oparara River, Kahurangi National Park, Buller District, South Island, New Zealand. January, 2006.

Andy Trowbridge / Nelson Cave Spider (Spelungula cavernicola) covered in dew, sitting on empty egg sack, Oparara River, Kahurangi National Park, Buller District, South Island, New Zealand. January.

Andy Trowbridge / North Island Saddleback (Philesturnus rufusater) perched on driftwood. Endangered species. Tiritiri Matangi Island, Hauraki Gulf, North Island, Auckland, New Zealand. September.

Andy Trowbridge / Tui (Prosthemadera novaeseelandiae) endemic to New Zealand. Tiritiri Matangi Island, Hauraki Gulf, Auckland, North Island, New Zealand. September.

Andy Trowbridge / Tui (Prosthemadera novaeseelandiae) perched on kowhai tree (Sophora spp.) endemic to New Zealand. South Island, Stewart Island. Tiritiri Matangi Island, Hauraki Gulf, Auckland, North Island, New Zeala...

Andy Trowbridge / Fly fisherman drifting a fly pass a rainbow trout (Oncorhynchus mykiss) in a gin clear 'backcountry' stream, North Canterbury, Selwyn District, South Island, New Zealand. February, 2006.

Andy Trowbridge / Nugget Point (Ka Tokata) lighthouse at sunrise, rain clouds sweeping on the horizon and crepuscular rays, Catlins, Clutha District, Otago, South Island, New Zealand. October, 2006.

Andy Trowbridge / Nugget Point (Ka Tokata) Lighthouse at sunrise, rain clouds sweeping in from the horizon, Catlins, Clutha District, Otago, South Island, New Zealand. October, 2006.

Andy Trowbridge / Kea (Nestor notabilis), juvenile, in beech forest, Homer Tunnel, Fiordland National Park, South Island, New Zealand. October, 2006.

Andy Trowbridge / Early morning light on the Earl Mountains, from the left, Mt Ngatmamoe (2174m), Mt Flattop (2282m) and Mt Pyramid (2295m), taken from Key Summit (918m); Fiordland National Park, Southland, South Islan...

Andy Trowbridge / Key Summit and the Darren Mountains in dawn light with a colour sky, taken from Key Summit (918m), the prominent peak is Mount Christina (2474), Key Summit, Fiordland National Park, Southland, South I...

Andy Trowbridge / Marokopa Falls (30 m), King Country, Waitomo, Waikato, North Island, New Zealand. November, 2006.

Andy Trowbridge / The upper Emerald Lake on the Tongariro Crossing, looking east, it striking colours are caused by dissolved minerals being washed down from thermal area of nearby Red Crater, Tongariro Crossing, Tonga...

Andy Trowbridge / Portrait of Australasian Gannet (Morus serrator) taken at sunset. Black Reef Gannet Colony, Cape Kidnappers, Hawke's Bay, North Island, New Zealand. October.

Andy Trowbridge / Lake Rotoiti and jetty in moody evening light, rain clouds sweeping over the surrounding moutains. Looking south, towards the Travers River Valley, Nelson Lakes National Park, Saint Arnaud, Tasman Reg...

Andy Trowbridge / Kea (Nestor notabilis), juvenile, on car roof biting the rear windscreen wiper, Homer Tunnel, Fiordland National Park, South Island, New Zealand. October.

Andy Trowbridge / Waiau Falls, No. 309 Road, Coromandel Peninsula, North Island, New Zealand. November, 2006.

Andy Trowbridge / Bridal Veil Falls (55m), Raglan, Waikato, North Island, New Zealand. November, 2006.

Andy Trowbridge / Livingstone Mountains and beech forest reflected in small tarn near Mavoura Lakes, Southland, South Island, New Zealand. November, 2006.

Andy Trowbridge / Cathedral Cove just after sunrise, Hahei, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand. November, 2006.

Andy Trowbridge / Cathedral Cove at sunrise, Hahei, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand. November, 2006.

Andy Trowbridge / Western Weka chick walking along forest edge. Milford Track, Fiordland National Park, Southland, South Island, New Zealand. November, 2006.

Andy Trowbridge / The Clinton River on the Milford Track, Fiordland National Park, Southland District, South Island, New Zealand. November, 2006.

Andy Trowbridge / Glade House at the start of the Milford Track, a famous hiking route. Fiordland National Park, Southland District, South Island, New Zealand. November, 2006.

Andy Trowbridge / Lower section of MacKay Falls on the Milford Track, Arthur Valley, Fiordland National Park, Southland, South Island, New Zealand. November, 2006.

Andy Trowbridge / One of many waterfalls on the Milford Track, Arthur Valley, Fiordland National Park, Southland District, South Island, New Zealand. November, 2006.

Andy Trowbridge / Juvenile kea (Nestor notabilis) preening; Mackinnon Pass, Milford Track, Fiordland National Park, South Island, New Zealand. November.

Andy Trowbridge / Early morning light on MacKinnon Pass, the highest point of the Milford track. Mount Elliot (1928m) and Mount Wilmur (right) being reflected in an alpine tarn, Milford Track, Fiordland National Park,...

Andy Trowbridge / Giant Gate Falls on the Milford Track, Arthur Valley, Fiordland National Park, Southland, South Island, New Zealand. November, 2006.

Andy Trowbridge / Giant Gate Falls on the Milford Track, Arthur Valley, Fiordland National Park, Southland, South Island, New Zealand. November, 2006.

Andy Trowbridge / Fly fisherman (David Tasker) drifting an artificial fly passed a 'sighted' brown trout (Salmo trutta) sitting in shadow water, Oreti River, Te Anau, Southland District, South Island, New Zealand. Dece...

Andy Trowbridge / Fly fisherman (David Tasker) drifting an artifical fly pass a 'sighted' brown trout (Salmo trutta) on the Oreti River, Te Anau, Southland District, South Island, New Zealand. December, 2006. Model rel...

Andy Trowbridge / A fly fisherman (David Tasker) searches for trout on the Oreti River, Te Anau, Southland District, South Island, New Zealand. December, 2006. Model released.

Andy Trowbridge / New Zealand Falcon (Falco novaeseelandiae), female perched on a flax flower stem. Oreti River, Mossburn, Southland, South Island, New Zealand. November.

Andy Trowbridge / Brown trout (Salmo trutta) with artificial gold bead nymph in corner of mouth, lying in a gin clear water in the Southern Alps, Oreti River, Te Anau, Southland, South Island, New Zealand. December, 20...

Andy Trowbridge / New Zealand Falcon (female) in flight. Oreti River, Mossburn, Southland, South Island, New Zealand. December.

Andy Trowbridge / Fly fisherman (David Tasker) changes fly pattern on the Oreti River, Te Anau, Southland District, South Island, New Zealand. December, 2006. Model released.

Andy Trowbridge / Wild South Island Takahe (Porphyrio hochstetteri) sitting on nest. Endangered species. Murchsion Mountains, Fiordland National Park, South Island,New Zealand. December.

Andy Trowbridge / Yellowhead (Mohoua ochrocephala) perched on beech tree. Endangered species. Blue Mountains, Southland, South Island, New Zealand. December.

Andy Trowbridge / Yellowhead (Mohoua ochrocephala) perched on beech tree. Endangered species. Blue Mountains, Southland, South Island, New Zealand. December.

Andy Trowbridge / Blue Duck (Hymenolaimus malacorhynchos) perched on mid-stream boulder with late eveing light colouring the water in the background. Hollyford River, Fiordland National Park, Southland, South Island, N...

Andy Trowbridge / Early morning light on Mitre Peak (1683m) reflected in the calm waters of Milford Sound; Milford Sound, Fiordland National Park, Southland, South Island, New Zealand. November, 2007