Ernie Janes / Long necked woman with many neck rings, belonging to Padaung Tribe, Thailand

Alex Mustard / Diver blowing bubble rings, while resting on the sand, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea, January 2011.

Linda Pitkin / 2020VISION / Brown trout (Salmo trutta), Ennerdale Valley, Lake District NP, Cumbria, England, UK, November 2011. Did you know? Trout scales have growth rings which you can read in the same way tree rings.

Guy Edwardes / 2020VISION / Marbled White Butterfly (Melanagria galathea) resting on Small Scabious (Scabiosa colombaria) flower, Badbury Rings, Dorset, UK, July. Did you know? The marbled white is actually a strikingly coloured...

Guy Edwardes / 2020VISION / Marbled White butterfly (Melanagria galathea) resting on Pyramidal Orchid (Anacamptis pyramidalis) flower, Badbury Rings, Dorset, UK, July

Linda Pitkin / 2020VISION / Brown Trout (Salmo trutta) in disused quarry, Jackdaw Quarry, Capernwray, Carnforth, Lancashire, UK, August. Did you know? Brown trout scales have growth rings like tree trunks.

Adrian Davies / Polished section through Olive tree trunk (Olea europaea), showing growth rings.

Colin Varndell / Mature Beech trees (Fagus sylvatica) in spring, on beech avenue near Badbury Rings, Dorset, UK. May 2008

Inaki Relanzon / Portrait of a Padaung women (Giraffe Neck women) with many neck rings in Inle Lake, Shan State, Myanmar, Burma. August 2009

Inaki Relanzon / Padaung women (Giraffe Neck women) wearing neck rings, weaving, Inle Lake, Shan State, Myanmar, Burma. August 2009

Peter Cairns / naturepl.com / Close up of leg rings on Eurasian Crane (Grus grus), Hornborga, Sweden, April

Jeff Vanuga / Native American Teepee rings on Table Mountain near Dubois, Shoshone reserve, Wyoming, USA, May 2009

Wild Wonders of Europe / Geslin / Peregrine falcon (Falco peregrinus) chick with new rings, Sagrada familia cathedral, Barcelona, Spain, April 2009

Wild Wonders of Europe / O Haarberg / Boiling mudpool, volcanic activity, Hverir, Nmafjall, Iceland, July 2008

Wild Wonders of Europe / O Haarberg / Boiling mudpool, volcanic activity, Hverir, Nmafjall, Iceland, July 2008

Philippe Clement / Baltic tellin (Macoma balthica) shell on beach, Belgium

Hiroya Minakuchi / Beluga (Delphinapterus leucas) whale trio blowing toroidal bubble rings, play behavior, vulnerable, Shimane Aquarium, Japan

Pete Cairns / Growth rings in trunk of Spruce tree {Picea sp} Norway

Martha Holmes / Rings and marks on the sea bed created by mud-ringing bottlenose dolphins (Tursiops truncatus) in Florida Bay, USA. August 2008. Taken on location for BBC tv series 'Life'

Martha Holmes / Rings and marks on the sea bed created by mud-ringing bottlenose dolphins (Tursiops truncatus) in Florida Bay, USA. August 2008. Taken on location for BBC tv series 'Life'

Eric Medard / Kestrel (Falco tunninculus) close up of ring on young individual, France, June

Eric Medard / Kestrel (Falco tunninculus) young individual with leg rings, France, June

Nick Upton / 2020VISION / Recently released young Common / Eurasian crane (Grus grus) with identifying colour rings and radio transmitter on its legs returning to a roost pool within a fox-proof initial release enclosure, Some...

Nick Upton / 2020VISION / Recently released young Common / Eurasian crane (Grus grus) with identifying colour rings and radio transmitter on its legs returning to a roost pool within a fox-proof initial release enclosure, Some...

Nick Upton / 2020VISION / Recently released young Common / Eurasian crane (Grus grus) with identifying colour rings and radio transmitter on its legs, Somerset Levels, England, UK, September 2012

LYNN M. STONE / Trumpeter Swan (Cygnus buccinator) with neck band, on ice shelf along St. Croix River. Wisconsin, USA, February.

Alex Mustard / Tropical blue ring octopus (Hapalochlaena lunulata) is small but has one of the most venomous creatures in the ocean, its bite injects a neurotoxin that paralyses its victim. It flashes its blue rings...

Alex Mustard / A blue ring octopus (Hapalochlaena lunulata) flashes its blue rings as it crawls over a coral reef. Kapalai Island, Sulu Sea, Sabah, Borneo, Malaysia..

Juan Carlos Munoz / Aerial view of the Namib desert showing 'fairy rings' caused by natural changes in vegetation, Sossusvlei, Sesriem, Namibia, August 2008

Wild Wonders of Europe / Préau / Man examining ring on Lesser whitethroat (Sylvia curruca) caught in net for ringing, in allotment, Grande-Synthe, Dunkirk, France, September 2010, model released

Mark Hamblin / 2020VISION / Pattern on sawn wood / timber in BSW sawmill, Inverness-shire, Scotland, UK, February 2012.

Mark Hamblin / 2020VISION / End section of spruce trunk showing annual growth rings in BSW sawmill, Inverness-shire, Scotland, UK, February 2012. Did you know? The space between tree rings is larger on the side of the tree neare...

Mark Hamblin / 2020VISION / End section of spruce trunk showing annual growth rings in BSW sawmill, Inverness-shire, Scotland, UK, February 2012.

Roland Seitre / Golden-masked tanager (Tangara larvata). Jacobo Lacs breeding facilities, Elevage Jacobo Lacs, Colon, Panama.

Ernie Janes / Long necked young woman with neck rings, belonging to Padaung Tribe, Thailand

Ernie Janes / Long necked woman with many neck rings belonging to Padaung Tribe, Thailand

Ernie Janes / Long necked young woman with many neck rings, belonging to Padaung Tribe, Thailand

Ernie Janes / Long necked girl with neck rings belonging to Padaung Tribe, Thailand

Ernie Janes / Long necked woman with many neck rings belonging to Padaung Tribe, Thailand

Ernie Janes / Two young girls with neck rings to extend their necks, belonging to Padaung Tribe, Thailand

Nick Turner / Gloucester old spot domestic pig (Sus scrofa domestica) portrait with ring in nose, UK.

Nick Turner / Gloucester old spot domestic pig (Sus scrofa domestica) portrait with mouth open and ring in nose, UK.

Bertie Gregory / 2020VISION / Two Avocets (Recurvirostra avosetta) feeding, one with identification rings on legs, Brownsea Island, Dorset, England, UK, September

Brent Stephenson / North Island Robin (Petroica longipes) feeding chicks at its nest in the sub-canopy. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / North Island Robin (Petroica longipes) feeding chicks at its nest. Note food items in its bill. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Female Stitchbird (Notiomystis cincta) perched on a branch amongst foliage. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Male stitchbird (Notiomystis cincta) perched displaying with white eartufts raised and tail partly cocked. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Male Stitchbird (Notiomystis cincta) perched on an angled branch. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Male Stitchbird (Notiomystis cincta) perched, calling. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Male Stitchbird (Notiomystis cincta) perched. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Female Stitchbird (Notiomystis cincta) perched on an angled branch with tail cocked. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Female Stitchbird (Notiomystis cincta) perched, with tail cocked. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / North Island Robin (Petroica longipes / australis) perched perched on a branch. Tiritiri Matangi Island, Auckland, New Zealand, September.

Brent Stephenson / Male Stitchbird (Notiomystis cincta) perched. Tiritiri Matangi Island, Auckland, New Zealand, September.

Guy Edwardes / 2020VISION / Marbled White (Melanagria galathea) resting on Pyramidal Orchid (Anacamptis pyramidalis) flower, Badbury Rings, Dorset, UK, July

Guy Edwardes / 2020VISION / Marbled White butterfly (Melanagria galathea), Badbury Rings, Dorset, UK, July

Guy Edwardes / 2020VISION / Wild Carrot (Daucus carota) Badbury Rings, Dorset, UK, July

Guy Edwardes / 2020VISION / Marbled White butterfly (Melanagria galathea) resting on Lady's Bedstraw (Galium verum) flowers, Badbury Rings, Dorset, UK, July

Guy Edwardes / 2020VISION / Marbled White butterfly (Melanagria galathea) resting on Lady's Bedstraw (Galium verum) flowers, Badbury Rings, Dorset, UK, July

Ernie Janes / Growth rings and branches in cross section of Norway spruce (Picea abies) Norfolk, UK

Markus Varesvuo / Portrait of Dunlin (Calidris alpina schinzii) with leg rings. Uto, Finland, April.

Markus Varesvuo / Portrait of a Dunlin (Calidris alpina schinzii) with leg rings. Uto, Finland, April.

Ernie Janes / Stones of the Cheese Rings with farmland landscape in the background, Bodmin Moor, Cornwal, UK, May 2009

Ernie Janes / Cheese Rings rock formations. Bodmin Moor, Cornwall, UK, May 2009.

Ernie Janes / Cheese Rings rock formations. Bodmin Moor, Cornwall, UK, May 2009.

Nick Upton / 2020VISION / Four juvenile Common / Eurasian cranes (Grus grus) released by the Great Crane Project, identifiable by colour ring combinations as Clarence, Reg, Twinkle and Monty, with adult plumage developing at t...

Peter Cairns / Scottish Wildcat (Felis sylvestris) roadkill victim being examined to establish genetic purity. Tail held up to show characteristic rings, Scotland, UK, January 2007, Highly commended, Documentary ser...

Colin Varndell / European Beech tree (Fagus sylvatica) avenue in woodland, near Badbury Rings, Dorset, UK. May 2008

Nick Upton / 2020VISION / Common / Eurasian crane (Grus grus) juveniles with colour rings and a radio-transmitter aerial on legs, released by the Great Crane Project onto the Somerset Levels and Moors, foraging on frozen, snow...

Jerry Monkman / A woman and her two children floating on inflatable rings, White Lake State Park in Tamworth, New Hampshire, USA. October 2009

Tim Laman / A close up of a cut trunk of a pine tree in Japan, showing annual growth rings.

Nick Upton / Petrified tree stump with clear annual growth rings, from Miocene era c. 20 mya. Lesbos Petrified Forest European and Global Geopark. Eressos, Isle of Lesvos, Greece August 2009

Tom Marshall / New Zealand dotterel (Charadrius / Pulvalis obscurus) with leg rings on breeding beach, Auckland, North Island, New Zealand, Endandered species

Philippe Clement / Cross section of tree trunk showing annual growth rings, Belgium

Adrian Davies / Tree rings and saw marks in newly cut conifer tree trunk, UK

Adrian Davies / Tree rings and saw marks in newly cut conifer tree trunk, UK

Wild Wonders of Europe / Geslin / Peregrine falcon (Falco peregrinus) chick with two rings, Sagrada familia cathedral, Barcelona, Spain, April 2009

John Cancalosi / Fossil Stromatolite (Conophytum basalticum) from the Cambrian period, Katherine, Northern Territory, Australia

Juan Carlos Munoz / Aerial view of the Namib desert seen from a hot air balloon, showing 'fairy rings' due to changes in vegetation patterns, Sossusvlei, Sesriem, Namib desert, Namibia, August 2008

Juan Carlos Munoz / Aerial view of the Namib desert seen from a hot air balloon, showing 'fairy rings' due to changes in vegetation patterns, Sossusvlei, Sesriem, Namib desert, Namibia, August 2008

Juan Carlos Munoz / Aerial view of the Namib desert seen from a hot air balloon, showing 'fairy rings' due to changes in vegetation patterns, Sossusvlei, Sesriem, Namib desert, Namibia, August 2008

Guy Edwardes / Colourful rings of the Many-zoned polypore (Coriolus versicolor) New Forest National Park, Hampshire, England, October

Wild Wonders of Europe / Widstrand / Cross-section of a Scots pine tree (Pinus sylvestris) trunk showing growth rings, Kuhmo, Finland, July 2008

Wild Wonders of Europe / O. Haarberg / Boiling mudpool, volcanic activity, Hverir, Nmafjall, Iceland, July 2008

Philippe Clement / Rayed artemis (Dosinia exoleta) shell, Normandy, France

Philippe Clement / Rayed artemis (Dosinia exoleta) shell on beach, Normandy, France

Philippe Clement / Three Baltic tellin (Macoma balthica) shells, one upside down showing the inside, Belgium

Nick Garbutt / Pier, beach front and cottages, Isle of Iona, Inner Hebrides, Scotland, UK, 2008

Fabio Liverani / Field research scientist studying bird migration rings a Subalpine warbler {Sylvia cantillans} Ventotene, Pontine Islands, Italy 2008

Fabio Liverani / Field research scientist studying bird migration rings a Subalpine warbler {Sylvia cantillans} Ventotene, Pontine Islands, Italy 2008

Hiroya Minakuchi / Beluga (Delphinapterus leucas) whale trio blowing toroidal bubble rings, play behavior, vulnerable, Shimane Aquarium, Japan

John Cancalosi / Close-up of cross section of Petrified wood, Arizona, USA

Jose B. Ruiz / Alpine chough (Pyrrhocorax graculus) flock on snow, note rings on leg, Picos de Europa, Cantabria, Spain

Mark Taylor / Domestic Pig {Sus scrofa domestica} grazing, with rings in its nose. New Forest, Hampshire, UK

Pete Oxford / Rabari woman of the Sorathi subgroup found in and around the Gir Forest National Park, Gujarat, India 2006. Note ornate ear rings and skin tatoos

Pete Oxford / Ornate ear rings of Rabari woman of the Sorathi subgroup found in and around the Gir Forest National Park, Gujarat, India. 2006