Nigel Marven / Solander's petrel {Pterodroma solandri} on Lord Howe Island, Australia

John Cancalosi / Rare breed domestic Churro sheep, NM, USA.

Nigel Marven / Volcanic cone, Badkhyz, Uzbekistan, Russia

Nigel Marven / Talan Is, Kamchatka, Siberia, Russia

Tom Vezo / Snow geese fly in V formation {Chen caerulescens} Bosque del Apache, NM, USA.

Tom Vezo / Snow geese at sunset {Chen caerulescens} Bosque del Apache, NM, USA.

Rolf Nussbaumer / Sandhill crane in flight {Grus canadensis} Bosque del Apache NP, NM, USA

Rolf Nussbaumer / Snow goose in flight {Chen caerulescens} Bosque del Apache, NM, USA.

Rolf Nussbaumer / Sandhill crane in flight {Grus canadensis} Bosque del Apache, NM, USA

Nigel Marven / Blue sulphuric/hydochloric lake in volcano crater, Kamchatka, Russia

Doug Wechsler / Joshua Tree (Yucca brevifolia) NM, California, USA Granite Boulders.

Nigel Marven / Mt Damarand, Iran, Middle-East.

Neil MacIntyre / Otter (Lutra lutra) family at rest on seaweed covered rock, taken in the Inner Hebrides, Scotland, UK, November. Highly commended in BWPA Competition 2019.

Nigel Marven / Orsinii's viper (Vipera ursinii) on rock with flowers, Albarz Mountains, Iran, vulnerable species

Nigel Marven / Houbara bustard (Chlamydotis undulata) head portrait, Vulnerable species

Rob Tilley / The Painted Hills, John Dan NM, Oregon, USA

Rob Tilley / The Painted Hills, John Dan NM, Oregon, USA

Rob Tilley / The Painted Hills, John Dan NM, Oregon, USA

Rob Tilley / The Painted Hills, John Dan NM, Oregon, USA

Doug Wechsler / Ocotillo plant {Fouquieria splendens} in leaf and flower following the rains, Organ Pipe cactus NM, Arizona, USA

Nigel Marven / Wrybill (Anarhynchus frontalis) on stones in alpine stream, New Zealand, vulnerable species

Nigel Marven / Wrybill (Anarhynchus frontalis) eggs amongst rocks, New Zealand, vulnerable species

Nigel Marven / Nigel Marven, Producer / Presenter, holding a male marsh frog vocalising, Anzali, Iran

Nigel Marven / Ian McCarthy, cameraman, in bat cave wearing mask to protect him from fungal spores that grow on bat guano.

Nigel Marven / Broomrape {Orobanchaceae} amongst scrubland, Iran

Rob Tilley / Dry Fork Slot Canyon, Grand Staircase Escalante NM, Utah, USA

Rob Tilley / Painted hills, John Day Fossil Beds NM, Oregon, USA

Rob Tilley / Painted hills, John Day Fossil Beds NM, Oregon, USA

Rob Tilley / Painted hills, John Day Fossil Beds NM, Oregon, USA

Rob Tilley / Painted hills, John Day Fossil Beds NM, Oregon, USA

Nigel Marven / Simon King filming imprinted Whooper swans in flight for tv programme "Addicted to Swans", UK

Nigel Marven / David Attenborough, Martin Saunders and Nigel Marven in boat, Galapagos Islands, on location for filming for BBC Life of Birds 1997

Nigel Marven / Fishermen with Common atlantic sturgeon caught for caviar (Acipenser sturio) Caspian sea, Iran

Nigel Marven / Nigel Marven, producer, with Rupert Jackman, cameraman, in Repetek desert, Turkmenistan, filming for BBC 'Walking with Dinosaurs' 1998

Nigel Marven / Aboriginal rock paintings, Rainbow serpent, Kakadu NP, Northern Territory, Australia

Nigel Marven / Aboriginal rock paintings, Rainbow serpent, Kakadu NP, Northern Territory, Australia

Nigel Marven / Cameraman filming imprinted goose that is flying beside vehicle, BBC NHU 'Birds of Winter'. UK 1990

George McCarthy / Cattle Egret (Bubulcus ibis) in breeding plumage, NM, USA

George McCarthy / Male House / Common Sparrow (Passer domesticus) in NM, USA

George McCarthy / Male Cinnamon Teal (Anas cyanoptera) on water, NM, USA

George McCarthy / Mexican Ground Squirrel at burrow entrance. NM, USA

George McCarthy / Mule Deer (Odocoileus hemionus) portrait, NM, USA

George McCarthy / Mexican Ground Squirrel (Spermophilus mexicanus) NM, USA

George McCarthy / Red-winged Blackbird (Agelaius phoeniceus) perched on dead stick, NM, USA

George McCarthy / Pied-billed Grebe (Podilymbus podiceps) on water, NM, USA

Rolf Nussbaumer / Common American Crow (Corvus brachyrhynchos), Bosque del Apache National Wildlife Refuge, NM, USA. Dec 2003

Rolf Nussbaumer / Sandhill Crane (Grus canadensis) in marsh, Bosque del Apache National Wildlife Refuge, NM, USA. December 2003

Rolf Nussbaumer / Group of Sandhill Cranes (Grus canadensis) taking off from roosting place, Bosque del Apache National Wildlife Refuge, NM, USA. December 2003

Nigel Marven / Wrybill in alpine stream {Anarhynchus frontalis} New Zealand

John Cancalosi / Ringneck snake feigning death (Diadophis punctata) New Mexico, NM, USA

Tom Vezo / Silhouette of Snow geese {Chen caerulescens} in water at sunset, Bosque del Apache, NM, USA

Nigel Marven / Komodo dragon digging for eggs (Varanus komodoenis) Komodo Island, Indonesia

Tom Vezo / Snow goose {Chen caerulescens} in flight, Bosque del Apache, NM, USA

Tom Vezo / Snow goose {Chen caerulescens} in flight, Bosque del Apache, NM, USA

Nigel Marven / Pika haystack den {Ochotona sp} Parvar, Iran

Tom Vezo / Flock of Snow geese {Chen caerulescens} in flight at sunset, Bosque del Apache, NM, USA

Doug Wechsler / Zebra tailed lizard sunning {Callosaurus draconoides} Organ Pipe Cactus NM, Arizona, USA

Nigel Marven / Person holding Cave salamander {Batrachuperus persicus} Iran

Mike Wilkes / View across Joshua Tree NM, California, USA

LYNN M. STONE / Sandhill crane {Grus canadensis} amongst Snow geese {Anser caerulescens} NM, USA

Tom Vezo / White Crowned Sparrow {Zonotrichia Leucophrys} Bosque del Apache, NM, USA.

Tom Vezo / White crowned Sparrow {Zonotrichia leucophrys}, Bosque del Apache, NM, USA.

Tom Vezo / Three Sandhill Cranes {Grus canadensis} in flight, Bosque del Apache, NWR, NM, USA.

Tom Vezo / Pied-Billed Grebe {Podilymbus podiceps}, Bosque del Apache, NWR, NM, USA.

Tom Vezo / Pintail duck {Anas acuta} profile in wetlands, Bosque del Apache NWR, NM, USA.

Tom Vezo / Sandhill Crane {Grus canadensis} calling in flight, Bosque del Apache, NWR, NM, USA.

Tom Vezo / Four Sandhill Cranes {Grus canadensis} in flight at sunset, Bosque del Apache, NWR, NM, USA.

Doug Wechsler / Organ pipe cactus {Stenocereus thurberi} Sonoran Deset NM, Arizona, USA

John Cancalosi / Anasazi ruins at Puye cliffs NM, New Mexico, USA

Doug Wechsler / Saguaro cactus standing above Owlclover, gold poppy and other annual wildflowers, Organ Pipe Cactus NM, Arizona, USA

Nigel Marven / Ancient Bas relief showing camel and men, Persepolis, Iran

Nigel Marven / Wild Pistachio trees (Pistacia sp) in Badkhyz desert, Turkmenistan, CIS

Nigel Marven / Basalt chimney of volcano, after surrounding sediment has eroded, Badkhyz Desert Reserve, Eroilanduz, Turkmenistan, Central Asia

Nigel Marven / Aerial view of volcano, Kamchatka, Russia

Nigel Marven / Looking down into smoking crater of volcano, Kamchatka, Russia

Nigel Marven / Aerial view looking down into blue sulphuric / hydrochloric lake in volcanic crater, Kamchatka, Russia

John Cancalosi / Collection of wet fly and nymph fishing hooks, NM, USA

Nigel Marven / Man with trained Cobra snake, annual snake festival in Shirala, Maharashtra, India

Nigel Marven / Large waterfall flowing in the summer, Kamchatka, Russia

Nigel Marven / Geysers in Geyser valley, Kamchatka, Russia

Nigel Marven / Aerial view of volcano, Kamchatka, Russia

Nigel Marven / Aerial view over Kamchatka volcanic landscape, Russia

Nigel Marven / Aerial view of volcanic landscape, Kamchatka, Russia

Nigel Marven / Looking down into volcanic crater with turquoise crater lake and steep slopes with snow at the top, Kamchatka, Russia

Nigel Marven / Paruar protected area, Iran, 1998

Nigel Marven / View across Tehran city, with Alborz Mountains in background, Iran, 1998

Nigel Marven / Clouds forming over Mt Damavand capped in snow, Iran, 1998

Nigel Marven / Marsh Arab woman collecting grass from boat, Iran / Iraq border, 1998

Nigel Marven / Marsh arab with domestic buffalo, Iran, 1998

Nigel Marven / Ashura festival, Shiraz, Iran, May 1998

Nigel Marven / Boats pass throuch lock before traditional "Swan Upping" on River Thames, Henley, Oxfordshire, UK

Rob Tilley / Sand ripples, White Sands NM, New Mexico, USA

Rob Tilley / Soaptree Yucca growing on sand dune, White Sands NM, New Mexico, USA

Luiz Claudio Marigo / Sykes monkey {Cercopithecus albogularis} Gedes Ruins NM, Watamu, Kenya

Nick Upton / Territorial encounter of rival Honey ants standing tall {Myrmecocystus mimicus} NM, USA

Tom Vezo / Sandhill cranes {Grus canadensis} Bosque del Apache, NM, USA.