The low light in spring and autumn makes for atmospheric Polar Bear shots in Svalbard (Image by Roy Mangersnes)

Portrait of a European Shag in northern Norway (Image by Espen Lie Dahl)

A Little Cormorant watches the sunset at Tadoba, India (Image by Inger Vandyke)

Walrus male portrait from Svalbard (Image by Roy Mangersnes)

Red-crowned Cranes flighting to roost (image by Mark Beaman)

Portrait of a Panther Chameleon in Madagascar (Image by Dani Velasco)

Ladakhi women wearing their traditional costume of Perak was a highlight of our 2017 Ladakh Women's Project (Image by Inger Vandyke)

A priest holding his crucifix at Lalibela in Ethiopia (Image by Inger Vandyke)

Everything is fine in Galapagos until one of those damn Espanola Mockingbirds climbs on your back! (Image by Mark Beaman)

A line of Indian Wild Asses at sunset in the Little Rann of Kutch, Gujarat (Image by Mike Watson)

Ladakh is the place to see and photography the shy, fabled Snow Leopard (Image by Mike Watson)

A young Suri woman shows off her beautiful body markings. (Image by Inger Vandyke)

Common Guillemots (or Common Murres) with sunrise reflection bokeh at Hornøya, northern Norway (Image by Audun Lie Dahl)

Svalbard's small icebergs can offer interesting photographic opportunities, especially in autumn light (Image by Roy Mangersnes)

A Lioness shakes off the water after a river crossing (image by Mark Beaman)

Snow Monkeys often huddle together for warmth in the cold winter of the Japanese Alps (image by Mark Beaman)

As the first sunlight catches the hoar-frost-covered trees at Otawa, the steam rising from the river adds to the other-worldly scene of roosting Red-crowned Cranes, Hokkaido, Japan (Image by Mark Beaman)

Gelada Baboon males are magnificent creatures and you can, with care, approach them very closely in the Simien Mountains of Ethiopia (Image by Inger Vandyke)

Polar bear (Ursus maritimus) on an ice flow off northern Spitsbergen in Svalbard, as the sun sets on the horizon (Image by Roy Mangersnes)

Whooper Swans at dusk at Lake Kussharo (image by Mark Beaman)

A Whooper Swan comes in to land (image by Mark Beaman)

A herd of Siberian Ibex run up a mountainside in Ladakh (Image by Inger Vandyke)

A backlit Snow Monkey near sunset (image by Mark Beaman)

A Svalbard Polar Bear comes really close! (Image by Roy Mangersnes)

Leopard Seal, one of Antarctica's most iconic predators (Image by Roy Mangersnes)

Steller's Sea Eagles in the dawn light of Hokkaido, Japan (Image by Inger Vandyke)

A young Blackbuck peers at a Black Drongo that has landed on its back, Velavadar, Gujarat (Image by Inger Vandyke)

Displaying Red-crowned (or Japanese) Cranes in winter in Hokkaido. Cranes mate for life (Image by Inger Vandyke)

Portrait of a Red-crowned Crane, Hokkaido, Japan (Image by Inger Vandyke)

View from the crater rim of Erta Ale, one of the most active volcanoes in the world, into the active, red-glowing lava lake. Erta Ale is a continuously active basaltic shield volcano in the Afar Region of northeastern Ethiopia, only some kilometers from the border with Eritrea

Whooper Swans in the mist (image by Mark Beaman)

Portrait of a Ladakhi woman wearing a traditional Perak (Image by Inger Vandyke)

Antarctica has a fearsome majesty (Image by Roy Mangersnes)

A Steller's Sea Eagle 'brakes' at the last moment as it dives for food (image by Mark Beaman)

A Steller's Sea Eagle forces a White-tailed Eagle to drop a piece of fish by grabbing hold of its leg and talons! (image by Mark Beaman)

Siamese Fireback male at Cat Tien, Vietnam (Image by Pete Morris)

Hooded and White-naped Cranes in the snow at Arasaki , Japan (Image by Mark Beaman)

A Tiger wanders down to a waterhole in Tadoba Andhari Tiger Reserve in India (Image by Inger Vandyke)

Lilac-breasted Roller flight portrait (image by Mark Beaman)

A Chinstrap Penguin has a scratch (Image by Inger Vandyke)

"How wonderful it is to be born a high-caste Snow Monkey and be able to visit the hot bath!" (image by Mark Beaman)

A late Whooper Swan heads for its roosting site at sunset (image by Mark Beaman)

A Brown Skua with his prized Gentoo Penguin egg (Image by Inger Vandyke)

A Northern Fulmar is lost against the awesome backdrop of Spitsbergen (Image by Roy Mangersnes)

Japanese Macaques (Snow Monkeys) engaged in mutual grooming in Honshu, Japan (Image by Pete Morris)

A Blakiston's Fish Owl, the largest owl in the world, with its fish dinner, Hokkaido, Japan (Image by Pete Morris)

The scenery of the Antarctic Peninsula is truly awesome (Image by Roy Mangersnes)

Two birds are dwarfed by the watery immensity of the Victoria Falls (image by Mark Beaman)

The striking appearance of a Mursi woman with her lip plate and decorations of warthog tusks in the Mago National Park (Image by Inger Vandyke)

A dancing Red-crowned Crane hurls itself high into the air (image by Mark Beaman)

It's Baloo! A Sloth Bear in Tadoba Andhari Tiger Reserve, Maharashtra, India (Image by Inger Vandyke)

A male Walrus at sunset in Svalbard (Image by Roy Mangersnes)

Ah, that feels good! (Image by Roy Mangersnes)

An Iberian Lynx, one of the world's rarest wild cats, pauses to look at our group while it crosses a path in southern Spain (Image by Mike Watson)

These Dalmatian Pelicans in Romania's Danube Delta are showing the bright red bill pouches of breeding birds (Image by Attila Szilagyi)

A male Lion from the Marsh Pride drags the almost-consumed carcass of a young elephant at Savuti, Botswana (image by Mark Beaman)

Beautiful dancing Red-crowned (or Japanese) Cranes in the snows of Hokkaido (Image by Pete Morris)

Polar Bears, understandably, prefer to keep their feet dry (Image by Roy Mangersnes)

Portrait of a Red Fox (image by Mark Beaman)

A Chinstrap Penguin surveys the dramatic Antarctic world around it (Image by Roy Mangersnes)

Large-billed Crow study (image by Mark Beaman)

Portrait of Bariti, a beautiful Arbore girl (Image by Inger Vandyke)

Portrait of a 'Snow Monkey', Honshu, Japan (Image by Inger Vandyke)

Driving across Lake Assale, Danakil, Ethiopia

Leopard portrait (image by Mark Beaman)

A pair of Steller's Sea Eagles go head to head in Hokkaido, Japan! (Image by Pete Morris)

Black-browed Albatross with motion blur in the Southern Ocean (Image by Roy Mangersnes)

Polar Bear, Ursus maritimus, female walking on an ice-floe north of Svalbard. Our expedition ship MS Origo is seen in the background (Image by Roy Mangersnes)

Some frisky Walruses in Svalbard (Image by Roy Mangersnes)

A beautiful young Suri girl near Kibish in the Omo Valley (Image by Inger Vandyke)

When a Giant Otter crunches down a fish one can hear the noise from 50 metres! Pantanal, Brazil (Image by Mike Watson)

A Gemsbok oryx takes off into the grasslands of Sossusvlei, Namibia. This image was taken on an aerial safari by helicopter from Sesriem (Image by Inger Vandyke)

The dead Camelthorn trees of Deadvlei, Namibia (Image by Inger Vandyke)

Light conditions as winter fades into early spring are perfect for bird photography in northern Norway, as this King Eider image demonstrates (Image by Roy Mangernes)

Hippopotamus heads (image by Mark Beaman)

Sly portrait of a Red Fox in Japan (Image by Pete Morris)

Bar-bellied Pitta in Vietnam (Image by Pete Morris)

Polar Bear mother and cub (Image by Roy Mangersnes)

Himba Head Man in remote Kaokoland, Namibia (Image by Inger Vandyke)

Aba Mezgebe, the father of the church at Asheten Maryam near Lalibela, reveals one of his church's ancient bibles (Image by Inger Vandyke)

A Lalibela priest reads his bible by the light shining through a crucifix shaped 'window' in a rock church (Image by Inger Vandyke)

This is the real Suri. Portrait of an elegant young Suri girl with her traditional green head covering and long copper bracelets (Image by Inger Vandyke)

It is hard to tell if Nazca Boobies in Galapagos are being affectionate or squabbling... (Image by Mark Beaman)

A striking Hamer woman in the market at Turmi. (Image by Inger Vandyke)

Tiny biting flies torment a Painted Wolf (or African Wild Dog) until it leaps up to catch some (image by Mark Beaman)

Misty Whooper Swan (image by Mark Beaman)

Babuku, a young Suri boy with his face painted in the more modern Suri way, surrounded by the copper bracelets worn by traditional Suri women of his tribe (Image by Inger Vandyke)

It is not just the wildlife that is unusual in Simien. Giant Lobelias near Chenek (Image by Inger Vandyke)

Collared Laughingthrushes in southern Vietnam (Image by Pete Morris)

Steller's sunrise (image by Mark Beaman)

Frigatebird at dawn in Baja California (Image by Mark Beaman)

Adelie Penguins are surely the cutest of the smaller species (Image by Roy Mangersnes)

Atlantic Puffins in the snow at Hornøya island, northern Norway (Image by Audun Lie Dahl)

A Jaguar rests by the riverside in the Pantanal, unafraid of our presence (Image by Mike Watson)

Portrait of a stunning, smiling Arbore girl (Image by Inger Vandyke)

Burchell's Zebras are constantly bickering. Ngorongoro, Serengeti, Tanzania (Image by Mark Beaman)

These Gentoo Penguins make for a pleasing pattern as they head for the sea (Image by Roy Mangersnes)

Eurasian Hoopoe in flight in Hungary (Image by János Oláh)

Red-crowned Cranes leaving their atmospheric roost at Otawa in Hokkaido (image by Mark Beaman)

An Ibisbill in flight over the Indus River in Ladakh (Image by Mike Watson)

Red-crowned Cranes in Hokkaido, in the style of a Japanese painting (image by Mark Beaman)

Painted Stork in flight in India (Image by Inger Vandyke)

Baja California sunsets are legendary (Image by Mark Beaman)

Namibia features many different colours of sand dunes including the spectacular garnet sand dunes of Dorrob National Park near Swakopmund (Image by Inger Vandyke)

Walrus in the snow, Svalbard (Image by Roy Mangersnes)

Mating Indian Skimmers on the Chambal River in Uttar Pradesh, India (Image by Inger Vandyke)

The secretive Agami Heron loves quiet Pantanal backwaters (Image by Mike Watson)

A male Sika Deer amidst Hokkaido's spectacular landscape (image by Mark Beaman)

A Little Auk in flight on our Spitsbergen trip (Image by Mike Watson)

"How can I escape my ordained fate as a low-caste flea-groomer?" (image by Mark Beaman)

Chukar Patridge, Ladakh, India (Image by Mike Watson)

Red-crowned Crane detail (image by Mark Beaman)

A Polar Bear rests on the ice after a meal, watched by an Ivory Gull (Image by Mike Watson)

Some Pantanal Jaguars specialize in killing Caimans (Image by Mike Watson)

A Mursi woman wearing her signature lip disk (Image by Inger Vandyke)

Eagle dawn (image by Mark Beaman)

A herd of oryx runs across the grasslands of Sossusvlei, Namibia at sunset (Image by Inger Vandyke)

The beautiful Himba people of Kaokoland in Namibia (Image by Inger Vandyke)

A pretty Suri girl and her baby near Kibish in the Omo Valley (Image by Inger Vandyke)

An Arctic Fox in its dark summer pelage peeks out at a photographer in Svalbard (Image by Roy Mangersnes)

The priests of Lalibela (Image by Inger Vandyke)

A traditional Suri woman and her baby in the Omo Valley. She is carrying the horn of a large Waterbuck on her head (Image by Inger Vandyke)

An adult White-naped Crane comes in to land at Arasaki, Japan (Image by Mark Beaman)

Snow Monkeys are good jumpers (image by Mark Beaman)

Dardic Brokpa women of Ladakh in traditional dress (Image by Inger Vandyke)

A White-naped Crane bugles as it crosses the dawn moon at Arasaki, Japan (Image by Mark Beaman)

Black-browed Albatrosses nesting at West Point Island, the Falkland Islands (Image by Inger Vandyke)

Steller's Sea Eagle with fish (image by Mark Beaman)

Black-legged Kittiwakes adorn an almost incredibly blue, upturned iceberg in Svalbard (Image by Roy Mangersnes)

A Steller's Sea Eagle surveys its wintry domain from an upflung block of sea ice (image by Mark Beaman)