Nigel Cattlin / Rice leaf folder moth (Cnaphalocrocis medinalis) caterpillar of pest species in folded Rice (Oryza sativa) leaf , Luzon, Philippines

Nick Hawkins / Marine iguana (Amblyrhynchus cristatus) basking on volcanic rock at coast. Isabela Island, Galapagos.

Guy Edwardes / Stair Hole, West Lulworth, Isle of Purbeck, Dorset, England, UK. December 2010.

Eric Baccega / Portrait of Naro San Bushman with leather headdress made of duiker skin, Kalahari, Ghanzi region, Botswana, Africa. October 2014.

Wild Wonders of Europe / Radisics / Light snow on Prutas peak, Durmitor NP, Montenegro, October 2008

Angelo Gandolfi / Golden Eagle (Aquila chrysaetos) swooping with folded wings and extended tallons. Canyon del Ebro y Rudron, Castilla y Leon, Spain. Digital composite

Angelo Gandolfi / Golden Eagle (Aquila chrysaetos) swooping with folded wings and extended tallons. Canyon del Ebro y Rudron, Castilla y Leon, Spain. Digital composite

Angelo Gandolfi / Golden Eagle (Aquila chrysaetos) swooping with folded wings to gain speed. Canyon del Ebro y Rudron, Castilla y Leon, Spain. Digital composite

Angelo Gandolfi / Golden Eagle (Aquila chrysaetos) swooping with folded wings and extended tallons. Canyon del Ebro y Rudron, Castilla y Leon, Spain. Digital composite

Angelo Gandolfi / Golden Eagle (Aquila chrysaetos) swooping with folded wings and extended tallons. Canyon del Ebro y Rudron, Castilla y Leon, Spain. Digital composite

Angelo Gandolfi / Golden Eagle (Aquila chrysaetos) swooping with wings completely folded. Canyon del Ebro y Rudron, Castilla y Leon, Spain.

Wild Wonders of Europe / Quinta / Waves hitting rocks at base of cliffs, Alentejo, Natural Park of South West Alentejano and Costa Vicentina, Portugal, June 2009

Kim Taylor / Sexton beetle (Nicrophorus vespilloides) taking off showing elytra folded upwards along back and phoretic mites gathered on thorax to where they migrate whenever the beetle prepares for flight, digit...

Kim Taylor / Green tree ant (Oecophylla smaragdina) workers protecting nest inside folded leaf, North Australia

Mike Read / Folded rocks on beach with cliffs above. Sandstone and shale beds in Bude Formation. Bude, Cornwall, England, UK. August 2018

Mike Read / Folded sandstone and mudstone rock in Bude Formation. Bude, Cornwall, England, UK. August 2018.

Mike Read / Wave-cut platform on beach. Folded sandstone and shale beds of Bude Formation. Bude, Cornwall, England, UK. August 2018.

Eric Baccega / Chimpanzee (Pan troglodytes) female sitting with arms crossed, portrait. Beauval Zoo Parc, France. Captive.

Rick Price / Banded and folded rock on cliff beside Cyclone Creek. Talbot Bay, The Kimberley, Western Australia.

Heather Angel / Common rue (Ruta graveolens) flower in visible light, nectar at base of petals. Stamens flip up sequentially with one still folded over the receptacle. Surrey, England, UK. Native to Balkan Peninsula....

Nick Upton / Heavily folded limestone layers in cliffs at Ballota beach, near Llanes, Asturias, Spain, August 2016.

Nick Upton / Common labyrinth spiders (Agelena labyrinthica) mating in the female's funnel web with the male pinning her down and holding her legs folded to avoid being attacked by her, Corfe Common, Dorset, U...

Tui De Roy / Blue-footed booby (Sula nebouxii) diving towards sea, wings folded. Northeast coast, Santiago Island, Galapagos. Sequence 2/2.

Tui De Roy / Blue-footed booby (Sula nebouxii) diving into sea, wings folded. Northeast coast, Santiago Island, Galapagos. Sequence 1/2.

Tui De Roy / Blue-footed booby (Sula nebouxii) diving towards sea with wings folded. Santa Fe Island, Galapagos.

Ashley Cooper / Folded rocks, showing the pressures created by tectonic drift, in Stromness Bay, South Georgia, in the Southern Ocean. February 2014

Tony Heald / Southern elephant seal (Mirounga leonina), male bloodied after a fight. Right Whale Bay, South Georgia. September.

Graham Eaton / Folded Carboniferous age sandstone and shale (Culm Measures) in plan view, deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late Paleozoic...

Graham Eaton / An anticlinal fold in Carboniferous age sandstone and shales. This fold and deformation was formed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by...

Graham Eaton / Folded Carboniferous age sandstones, Hartland Quay, Devon, UK, May

Graham Eaton / Folded Carboniferous age sandstone and shale (Culm Measures) deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late Paleozoic continental c...

Graham Eaton / Steeply dipping beds of Carboniferous age sandstone and shales (Culm measures) on the flank of a large fold. This deformation was formed by compression during the Variscan or Hercynian orogeny, a geol...

Graham Eaton / Tilted beds of sandstone and thin shales of the Carboniferous, Culm Measures (Bude Formation) Sandy Mouth near Bude, Cornwall, UK, May. The bed represent cycles of deposition associated with climate c...

Graham Eaton / A Chevron or Kink fold anticline in Carboniferous age turbidite sediments. Bude, Cornwall, UK, may.

Graham Eaton / Tilted beds of sandstone and thin shales of the Carboniferous, Culm Measures (Bude Formation) Sandy Mouth near Bude, Cornwall, UK, May. The bed represent cycles of deposition associated with climate c...

Graham Eaton / Folded Carboniferous age sandstone and shale (Culm Measures) in plan view, deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late Paleozoic...

Graham Eaton / Small extension (normal) faults within a layer of shale between two layers of more competent sandstone. Carboniferous, turbidites, Bude, Cornwall, UK, May.

Graham Eaton / Tilted beds of Carboniferous age, Culm Measures (Bude Formation) Sandy Mouth, near Bude, Cornwall, UK, May

Graham Eaton / En echelon tension (or parallel) cracks in Carboniferous age turbidite sandstones, Bude, Cornwall, UK, May. The tension cracks have formed in the more competent sandstones as the rocks were folded. T...

Graham Eaton / An eroded synclinal fold exposed Carboniferous age sandstones and shales. Hartland Quay, Devon, UK, May

Graham Eaton / An anticlinal fold in Carboniferous age sandstone and shales. This angular anticline is a kink fold with a defined fracture along the fold axis. These rocks were folded and faulted during the Variscan...

Graham Eaton / Chevron folded Carboniferous age sandstone and shale (Culm Measures), deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late Paleozoic cont...

Graham Eaton / Load casts on the underside of a sandstone bed of Carboniferous age, Culm Measures (Bude Formation), Bude, Cornwall, UK, May.

Graham Eaton / Load casts on the underside of a sandstone bed of Carboniferous age, Culm Measures (Bude Formation), Bude, Cornwall, UK, May.

Graham Eaton / A monocline fold with a minor thrust fault in Carboniferous age sandstones, Bude, Cornwall, UK, May.

Graham Eaton / Tightly folded Pre-Cambrian age, Quartz Mica Schist, a metamorphic rock. These are ductile folds generated under compression. Rhoscolyn Wales, UK, June

Graham Eaton / Monocline fold that has been faulted during the Variscan orogeny, in Carboniferous sandstone and shale. Broad Haven, Pembrokeshire, Wales, UK, May

Graham Eaton / Large anticlinal fold, caused by deformation during the Variscan orogeny, in Carboniferous, Coal Measures sandstones and shale. Braod Haven, Pembrokeshire, Wales

Graham Eaton / Small anticlinal fold in Carboniferous, Coal Measures rocks. Broad Haven, Pembrokeshire, Wales, UK, May.

Graham Eaton / The Ladies Cave anticline, an asymmetric chevron fold formed during the Variscan orogeny, in Carboniferous, Westphalian, Lower Coal Measures, sediments. Saundersfoot, Pembrokeshire, Wales. June 2017

Graham Eaton / The Ladies Cave anticline, an asymmetric chevron fold formed during the Variscan orogeny, in Carboniferous, Westphalian, Lower Coal Measures, sediments. Saundersfoot, Pembrokeshire, Wales. June 2017

Graham Eaton / The Ladies Cave anticline, an asymmetric chevron fold formed during the Variscan orogeny, in Carboniferous, Westphalian, Lower Coal Measures, sediments. Saundersfoot, Pembrokeshire, Wales. June 2017

Graham Eaton / Angular unconformity, between the underlying Cambrian age sedimentary rocks and the overlying Ordovician sedimentary rocks. Trwyn Wylfa, Abersoch, Wales, August. An unconformity represents a time ga...

Graham Eaton / Sea cliffs, geological section through Cambrian and Ordovician sedimentary rocks with faulted monocline fold structure. Rocks include Nant-pig Musdstones, Abersoch, Gwynedd, Wales, UK

Graham Eaton / Cilan Headland, a headland of folded and tilted Cambrian and Ordovician age sedimentary rocks, Abersoch, Gwynedd, Wales, UK, August 2016.

Graham Eaton / Steeply dipping beds of Silurian age turbidite sediments, Clarach Bay, Aberystwyth, Wales, UK, September 2014.

David Noton / Folded rock strata at Hamersley Gorge, Karijini National Park, Pilbarra, Western Australia, December 2015.

David Noton / Eucalyptus tree and folded strata, Hamersley Gorge, Karijini National Park, Pilbarra, Western Australia, December 2015.

Nick Upton / Chevron folds of Sandstone and shale rock layers in Millook Haven cliffs, Cornwall, UK, April 2014.

Nick Upton / Chevron folds of Sandstone, mudstone and black shale rock layers in Millook Haven cliffs, Cornwall, UK, April 2014.

Nick Upton / Chevron folds of Sandstone and shale rock layers in Millook Haven cliffs, Cornwall, UK, April 2014.

Nick Upton / Limestone rocks and vertically folded limestone layers of Prutas mountain, Durmitor National Park, Montenegro, July 2014.

Nick Upton / Vertically folded limestone rock layers of Prutas Mountain, Durmitor National Park, Montenegro, July 2014.

Georgette Douwma / Open / Folded brain coral (Trachyphyllia geoffroyi) The vivid colours are caused by zooxanthellae. Lembeh Strait, Sulawesi, Indonesia.

Georgette Douwma / Open / Folded brain coral (Trachyphyllia geoffroyi) The vivid colours are caused by zooxanthellae. Lembeh Strait, Sulawesi, Indonesia.

Georgette Douwma / Open / Folded brain coral (Trachyphyllia geoffroyi) The vivid colours are caused by zooxanthellae. Lembeh Strait, Sulawesi, Indonesia.

Colin Monteath/ Hedgehog House / Folded ridges, Northern Territory, Australia

Colin Monteath/ Hedgehog House / Folded ridges, Northern Territory, Australia

Colin Monteath/ Hedgehog House / Folded ridges, Northern Territory, Australia

Colin Monteath/ Hedgehog House / Folded ridges, Northern Territory, Australia

Chris Mattison / Folded strata along seashore, Dumfries and Galloway, Scotland, UK, June.

Andy Sands / Queen Common wasp (Vespula vulgaris) hibernating under eave in loft, note how antennae are tucked under front legs and wings are folded, for protection, under rear legs. Hertfordshire, England, UK....

Tom Gilks / Technicians installing panels in one of East Africa's largest Solar farms, Rwamagana District, Rwanda. July 2014. Model released.

Pete Oxford / White rhinoceros (Ceratotherium simum) blind folded during release into private reserve from Kruger National Park. Part of a population mangament scheme, with Cathy Dryer of SANParks Veterinary, Great...

Colin Varndell / Folded strata known as Lulworth Crumple, Stair Hole, Lulworth, Jurassic Coast, Dorset, UK March 2013.

Colin Varndell / Stair Hole showing example of folded strata known as Lulworth Crumple, Lulworth, Jurassic Coast, Dorset, UK March 2013.

Rod Williams / Comma butterfly (Polygonia c-album) on common burdock with wings folded, Lewisham, London, UK, July.

Rod Williams / Gatekeeper butterfly (Pyronia tithonus) on leaf with wings folded, Lewisham, London, UK, July.

Jabruson / Hunter with gun near Dead Crowned monkey (Cercopithecus mona pogonias) caught for bush meat trade near Mbomo village, Odzala-Kokoua National Park, Republic of Congo, May 2005.

Graham Eaton / Folded and faulted Cambrian and Ordovician rocks in a faulted monocline at Cilan Head, Abersoch, Wales, May 2012

Tony Phelps / Star flowers (Orbea variegata) one unfolding with one folded. deHoop Nature reserve. Western Cape, South Africa.

Danny Green / Brown Hare (Lepus europaeus) walking with ears folded back. Derbyshire, UK, March.

Luiz Claudio Marigo / Cramers eighty-eight butterfly (Diaethria clymena) resting with wings folded, Brazil.

Colin Monteath / Folded limestone layers, Kaikoura, North Canterbury, New Zealand

Colin Monteath / Folded limestone layers, Kaikoura, North Canterbury, New Zealand

Rod Williams / Red admiral butterfly (Vanessa atalanta) with wings folded, feeding on nectar of Ivy, South London, UK, September

David Kjaer / Brown Hare (Lepus europaeus) with ears folded back. Wiltshire, UK, June.

Bryan and Cherry Alexander / The bird cliffs of Alkehornet, made from folded and metamorphosed limestone, which ensures species rich vegetation on the ground below and around it. Spitsbergen, Svalbard, Norway, June 2006.

Bryan and Cherry Alexander / Tourists visiting the bird cliffs of Alkehornet, made from folded and metamorphosed limestone. Spitsbergen, Svalbard, Norway, June 2006.

Troels Jacobsen/Arcticphoto / Glaciers have transported these folded sedimentary rocks, dated to the Cambrian and late pre-Cambrian. Segelsllskapets Fjord, northeast Greenland National Park, September 2008.

Troels Jacobsen/Arcticphoto / Glaciers have smoothed these folded sedimentary rocks, dated to the Cambrian and late pre-Cambrian. Segelsllskapets Fjord, northeast Greenland National Park, September 2008.

Troels Jacobsen/Arcticphoto / Glaciers have smoothed these folded sedimentary rocks, dated to the Cambrian and late pre-Cambrian. Segelsllskapets Fjord, northeast Greenland National Park, September 2008.

Georgette Douwma / Open / Folded brain coral (Trachyphyllia geoffroyi). Rinca, Komodo National Park, Indonesia. October

Georgette Douwma / Open / Folded brain coral (Trachyphyllia geoffroyi). Rinca, Komodo National Park, Indonesia. October