Peter Cairns / Promotions for whale and seabird watching tours from Reykjavik harbour, Iceland, June 2011

Colin Monteath / Trekker and limestone ridges with peaks from 4700 meter Cacananpunta Pass, Cordillera Huayhuash, Andes, Peru

Scott Leslie / Canadian Hemlock (Tsuga canadensis) old growth forest and trail, Kejimkujik National Park, Nova Scotia, Canada

Alex Mustard / Whale shark (Rhincodon typus) cavernous mouth breaks the surface while it feeds on fish eggs in calm weather, while tourists look on from boat nearby, Isla Mujeres, Quintana Roo, Yucatan Peninsular, M...

Loic Poidevin / Bengal tiger (Panthera tigris tigris) walking nervously between tourist vehicles, harassment from ecotourism, Ranthambhore National Park, Rajasthan, India, March 2012

Anup Shah / Topi (Damaliscus lunatus jimela), Eastern White-bearded Wildebeest (Connochaetes taurinus) and Common or Plains zebra (Equus quagga burchellii) mixed herd crossing the Mara River watched by tourists i...

Anup Shah / Eastern White bearded Wildebeest (Connochaetes taurinus) herd feeding on the grass plains of Masai Mara National Reserve, with tourist vehicle amongst them, Kenya, September 2010

Jim Brandenburg / Fireweed (Chamerion angustifolium) flowering in meadow with kayaker on lake, Minnesota

Andy Rouse / Mountain gorilla (Gorilla beringei) silverback walking in front of watching tourists, Virunga Volcanoes, Rwanda 2012

Andy Rouse / Tourists trekking through rainforest habitat in search of Mountain gorillas, Virunga Volcanoes, Rwanda, Central Africa

Roberto Rinaldi / Weedy seadragon (Phylloperyx taeniolatus) with driver watching nearby, Australia. Model released

Paul Williams / Tourists watching two wild Jaguar cubs fight on riverbank, (Panthera onca) from boat on river, Pantanal, Pocone, Brazil

Paul Williams / Tourists watching two wild Jaguar cubs fight on riverbank, (Panthera onca) from boat on river, Pantanal, Pocone, Brazil

Andy Rouse / Tourist air boat safari in Bamarru Plains, North West Territories, Australia, April 2007

Andy Rouse / Tourist air boat safari in Bamarru Plains, North West Territories, Australia, May 2009

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) surfacing near zodiac full of tourists, Antarctic Peninsula, Antarctica

Christophe Courteau / Mountain gorilla (Gorilla beringei) female getting very close to a visitor, Bwenge Group, on slopes of the Karisoke Volcano, Volcanoes National Park, Rwanda, elevation 2930m

Christophe Courteau / Early morning briefing at the Kinigi Visitor Center before going on Gorilla Trek. A maximum of 8 people are allowed to visit the gorillas with a guide, Volcanoes National Park, Ruhengeri, Rwanda.

Christophe Courteau / Porter carrying a backpack while tracking a group of Mountain Gorillas (Gorilla beringei), Bisoke Volcano, Volcanoes National Park, Rwanda. Elevation 2950 m

Christophe Courteau / Volcanoes National Park entrance sign with gorilla model, Kinigi Head Quarter where all Gorillas watching treks start from, elevation 2300m, Rwanda

Konrad Wothe / King Penguin (Aptenodytes patagonicus) group coming ashore near tourists, St Andrew's Bay, South Georgia Island

Konrad Wothe / King Penguin (Aptenodytes patagonicus) group going to sea with tourists nearby, St Andrew's Bay, South Georgia Island

Konrad Wothe / Camping under the starry sky in the Libyan desert, Libya, North Africa, December 2007

Konrad Wothe / Camp in the Stony desert, Tassili Maridet, Libya, Sahara, North Africa, December 2007

Roland Seitre / Tourists feeding Australian humpback dolphin (Sousa sahulensis) . Tin Can Bay, Queensland, Australia, September.

Roland Seitre / Tourists at dolphin feeding point. Tin Can Bay, Queensland, Australia, September.

Roland Seitre / Indian Ocean Bottlenose Dolphin (Tursiops aduncus) being observed by tourists. Monkey Mia, Western Australia.

Roland Seitre / Hand stroking Indian Ocean Bottlenose Dolphin (Tursiops aduncus) at sea surface. Monkey Mia, Western Australia.

Roland Seitre / Tourists on safari in Fathala reserve. Toubacouta, Senegal.

Roland Seitre / Andean Condor (Vultur gryphus) in flight over crowds of people watching the birds. Chivay, Arequipa, Peru, July.

Roland Seitre / Park building in the Desert Park, Alice Springs, Northern Territories, September 2011.

Roland Seitre / Visitors of the Nocturnal Tour watching Rufous Hare-wallabies (Lagorchestes hirsutus). Captive. Desert Park, Alice Springs, Northern Territory.

Roland Seitre / Visitors of the Nocturnal Tour watching Rufous Hare-wallaby (Lagorchestes hirsutus). Captive. Desert Park, Alice Springs, Northern Territory.

Roland Seitre / Visitors on nocturnal tour watching Burrowing Bettong (Bettongie lesueur). Captive. Desert Park, Alice Springs, Northern Territory.

Roland Seitre / Visitors on nocturnal tour watching various desert mammals: Brush-tailed bettong (Bettongia penicillata), Rufous hare-wallaby and Greater Bilby. Alice Springs nature park, Northern Territories, Austr...

Roland Seitre / Heinz Plenge, Juan Carrasco, Pedro Caceres and other, the team at Chaparri ecolodge. Chaparri reserve, Chiclayo, Lambayeque, Peru, 2010.

Roland Seitre / Tourists feeding Australian humpback dolphin (Sousa sahulensis) . Tin Can Bay, Queensland, Australia, September.

Roland Seitre / Tourists feeding Australian humpback dolphin (Sousa sahulensis) . Tin Can Bay, Queensland, Australia, September.

Roland Seitre / Person looking over the rainforest canopy from the observation tower at the Panama Rainforest Discovery Center. Gamboa, Panama city region, Canal rainforest, 2008.

Roland Seitre / People watching birds from the Canopy Tower bird observatory. Canal rainforest, Panama City region, 2008.

Roland Seitre / Canopy Tower bird observatory. Canal rainforest, Panama City region, 2008.

Flip Nicklin / Gray Whale (Eschrichtius robustus) calf being touched by tourist, Baja California, Mexico

Sue Flood / Tourist birdwatching in Costa Rican cloud forest, Selvatura Park, Monteverde, Costa Rica. January 2011

Pete Oxford / Anangu Lake and Napo Wildlife Centre, Yasuni National Park, Amazon, Ecuador

Roland Seitre / Jason Vargas Aguerro 'Crocodile Man' interacting with American Crocodile (Crocodylus acutus) with tourist watching, Carara National Park, Tarcoles, Costa Rica, August 2008.

Roland Seitre / Jason Vargas Aguerro 'Crocodile Man' slapping the water to attract American Crocodile (Crocodylus acutus) to the tourist boat. Carara National Park, Tarcoles, Costa Rica, August 2008.

Roland Seitre / Jason Vargas Aguerro 'Crocodile Man' slapping the water to attract American Crocodile (Crocodylus acutus) to the tourist boat. Carara National Park, Tarcoles, Costa Rica, August 2008.

Roland Seitre / Tourists on the 'Crocodile Man Tour' watching American Crocodile (Crocodylus acutus). Carara National Park, Tarcoles, Costa Rica, August 2008.

Roland Seitre / Jason Vargas Aguerro 'Crocodile Man' and tourists watching American Crocodile (Crocodylus acutus). Carara National Park, Tarcoles, Costa Rica, August 2008.

Roland Seitre / Jason Vargas Aguerro 'Crocodile Man' observing an American Crocodile (Crocodylus acutus). Carara National Park, Tarcoles, Costa Rica, August 2008.

Roland Seitre / Tourists on the 'Crocodile Man' Tour, as Jason Vargas Aguerro interacts with American Crocodile (Crocodylus acutus). Carara National Park, Tarcoles, Costa Rica, August 2008.

Richard Du Toit / African Lion (Panthera leo) group and tourists, Kruger National Park, South Africa

Konrad Wothe / Chimpanzee (Pan troglodytes) near tourists, Mahale Mountains National Park, Tanzania

Hiroya Minakuchi / Gray Whale (Eschrichtius robustus) calf being pet by tourists on whale watching boat, showing baleen plates, San Ignacio Lagoon, Baja California, Mexico

Hiroya Minakuchi / Gray Whale (Eschrichtius robustus) calf coming up to tourist's hand, San Ignacio Lagoon, Baja California, Mexico

Mark Carwardine / Man in zodiac boat watching Crabeater Seals (Lobodon carcinophagus) resting on sea ice. Antarctic Peninsula, January. Book plate from Mark Carwardine's Ultimate Wildlife Experiences.

Shattil & Rozinski / Kayakers near a waterfall, Margerie Glacier, Glacier Bay National Park, Alaska, USA, May 2011

Shattil & Rozinski / Four people kayaking in Glacier Bay National Park, Alaska, USA, May 2011

Colin Monteath / Tourists sea kayaking near Enterprise Island, Gerlache Strait, Antarctic Peninsula, Antarctica

Peter Cairns / 2020VISION / Sign detailing tourist boat trips at Scottish Seabird Centre, North Berwick, Scotland, UK, August 2011

Peter Cairns / 2020VISION / Puffin merchandise on sale at Scottish Seabird Centre, showing economic and educational benefits of presence of Bass Rock, North Berwick, Scotland, UK, August 2011

Peter Cairns / 2020VISION / Seabird merchandise on sale at Scottish Seabird Centre, showing economic benefits of presence of Bass Rock, North Berwick, Scotland, UK, August 2011

Peter Cairns / 2020VISION / Seabird branding at Scottish Seabird Centre, showing economic and educational benefits of presence of Bass Rock, North Berwick, Scotland, UK, August 2011

Peter Cairns / 2020VISION / Puffin merchandise on sale at Scottish Seabird Centre, North Berwick, showing economic benefits of presence of Bass Rock, Firth of Forth, Scotland, UK, August 2011

Peter Cairns / 2020VISION / Tom Brock, CEO at Scottish Seabird Centre, North Berwick, Scotland, UK, August 2011

Peter Cairns / 2020VISION / Sign for cafe inside the Scottish Seabird Centre in North Berwick showing economic benefits of presence of Bass Rock, Firth of Forth, Scotland, UK, August 2011

Peter Cairns / 2020VISION / View over coastal town of North Berwick, Scotland, UK, August

Peter Cairns / 2020VISION / View over coastal town of North Berwick at dawn, Scotland, UK, August

Peter Cairns / 2020VISION / View over coastal town of North Berwick at dawn, Scotland, UK, August

Peter Cairns / 2020VISION / View over coastal town of North Berwick at dawn, Scotland, UK, August

Peter Cairns / 2020VISION / Bass Rock at dawn, North Berwick, Scotland, UK, August

Peter Cairns / 2020VISION / Gannet soft toy merchandise on sale at Scottish Seabird Centre, North Berwick, showing economic benefits of presence of Bass Rock, Scotland, UK, August

Peter Cairns / 2020VISION / Tourists sitting in cafe at Scottish Seabird Centre, showing economic benefits of presence of Bass Rock, North Berwick, Scotland, UK, August 2011. 2020VISION Book Plate.

Peter Cairns / 2020VISION / Boy holding toy Puffin on sale at souvenir shop inside the Scottish Seabird Centre in North Berwick showing economic benefits of presence of Bass Rock, Firth of Forth, Scotland, UK, August 2011

Peter Cairns / 2020VISION / Seabird branding at Scottish Seabird Centre, showing economic and educational benefits of presence of Bass Rock, North Berwick, Scotland, UK, August

Peter Cairns / 2020VISION / Seabird branding at Scottish Seabird Centre, showing economic and educational benefits of presence of Bass Rock, North Berwick, Scotland, UK, August 2011

Peter Cairns / 2020VISION / Cafe inside the Scottish Seabird Centre in North Berwick showing economic benefits of presence of Bass Rock, Firth of Forth, Scotland, UK, August 2011

Peter Cairns / 2020VISION / Photographer taking pictures of a mixed flock of seabirds on boat trip to Bass Rock, Firth of Forth, North Berwick, Scotland, UK, July 2010. 2020VISION Book Plate.

Peter Cairns / 2020VISION / Fisherman throwing out fish scraps to attract seabirds for tourists and photographers on boat trip to Bass Rock, North Berwick, Scotland, UK, July 2010

Peter Cairns / 2020VISION / Photographer on boat trip to Bass Rock, photographing a mixed flock of seabirds, Firth of Forth, North Berwick, Scotland, UK, July 2010

Peter Cairns / 2020VISION / Tourists on boat trip to Bass Rock to photograph seabirds, Firth of Forth, North Berwick, Scotland, UK, July 2010

Peter Cairns / 2020VISION / Biker wearing jacket with skull and crossbones emblem looking out over the Firth of Forth towards Bass Rock, North Berwick, Scotland, UK, July 2010

Peter Cairns / 2020VISION / Tourist filming mixed flock of seabirds on boat trip to Bass Rock, Firth of Forth, North Berwick, Scotland, UK, July 2010

Peter Cairns / 2020VISION / People watching and photographing White-tailed sea sea eagles near Skye, Inner Hebrides, Scotland, UK, June 2011

Peter Cairns / 2020VISION / Town of Portree, Skye, Inner Hebrides, Scotland, UK, June

Peter Cairns / 2020VISION / Hand pointing out location of sea eagle nest to a tourist, Portree, Skye, Inner Hebrides, Scotland, UK, July 2011

Peter Cairns / 2020VISION / Model of White-tailed sea eagle in an exhibition, Aros Visitor Centre, Portree, Skye, Inner Hebrides, Scotland, UK, June 2011. 2020VISION Book Plate.

Peter Cairns / 2020VISION / White-tailed sea eagle exhibition, Aros Visitor Centre, Portree, Skye, Inner Hebrides, Scotland, UK, June 2011

Peter Cairns / 2020VISION / Logo of Brigadoon, a tourist boat operator specialising in trips to see White-tailed sea eagle, Portree, Skye, Inner Hebrides, Scotland, UK, June

Peter Cairns / 2020VISION / Sign announcing the hatching of White-tailed sea eagle chicks, Portree, Skye, Scotland, UK, June 2011

Peter Cairns / 2020VISION / Tourists on a boat trip to watch White-tailed sea eagles, near Skye, Inner Hebrides, Scotland, UK, June 2011

Peter Cairns / 2020VISION / Herring gull (Larus argentatus) standing on the roof of a car, Portree, Skye, Inner Hebrides, Scotland, UK, June

Peter Cairns / 2020VISION / Close-up of sign detailing the wildlife watching code used by boat operators watching White-tailed sea eagles on Skye, Inner Hebrides, Scotland, UK, June 2011

Peter Cairns / 2020VISION / Puffin (Fratercula arctica) with sandeels, Shetland Isles, Scotland, UK, July

Peter Cairns / 2020VISION / Puffin (Fratercula arctica) in flight, Shetland Isles, Scotland, UK, July

Peter Cairns / 2020VISION / Puffin (Fratercula arctica) coming in to land, with beak full of sand eels, Shetland Isles, Scotland, UK, July