Michael D. Kern / Rainbow millipede (Aulacobolus rubropunctatus) captive

MYN / Brady Beck / Millipede (Narceus americanus) coiled, Scotland County, North Carolina, USA, May, meetyourneighboursproject.net

Juan Carlos Munoz / Close up of coil of spiral shell of an Ammonite fossil, Asturias, Spain

John Cancalosi / Close up of rusted metal wire /coil, Recycling Center, Ithaca, New York, USA, property released

Tony Phelps / Slug eating snake (Duberria lutrix) in defensive coil, deHoop Nature Reserve, Western Cape, South Africa

Sandesh Kadur / King cobra (Ophiophagus hannah) courtship, male head butting female while female goes into a submissive coil, Agumbe, Karnatka, India, captive

Bryan and Cherry Alexander / Detail of coiled rope lasso with a lasso ring made from reindeer antler. Kautokeino, Finnmark, North Norway, March 2007.

Juergen Freund / Whip coral on coral reef, Komodo NP, Indonesia.

Juergen Freund / Researcher Guido Westhoff covering a curl snake (Suta suta) with his hat to encourage it to coil and rest quietly for photography. Queensland, Australia, February 2008

Carol Walker / Close up of Riatta coil held by cowboy, Sombrero Ranch, Craig, Colorado, USA Model released

David Welling / Western Diamondback Rattlesnake (Crotalus atrox) in defensive coil shaking rattle, Texas Hill Country, Texas, USA

Pete Oxford / Quechua indian making coil ceramic bowls from clay dug out from the upper reaches of the Napo river, Ecuador, June 2005

Pete Oxford / Quechua indian making coil ceramic bowls from clay dug out from the upper reaches of the Napo river, Ecuador, June 2005

Pete Oxford / Quechua indian (Ximena Cerda) making coil ceramic bowls from clay dug out from the upper reaches of the Napo river, Ecuador, June 2005

Pete Oxford / Quechua indian (Ximena Cerda) making coil ceramic bowls from clay dug out from the upper reaches of the Napo river, Ecuador, June 2005

PREMAPHOTOS / White legged snake millipede {Tachypodoiulus niger} coiled defensively, UK

Juergen Freund / Nudibranch eggs, Indo-Pacific

Staffan Widstrand / Coiled deck ropes on board M/S Hiorten from 1692 Sweden

Nick Garbutt / Close up of tip of trunk of Indian elephant {Elephas maximus} Bandhavgarh, India

PREMAPHOTOS / Giant millipede curled in defensive coil (Epibolus pulchripes) Kenya, Africa. Tropical dry forest.

Roberto Rinaldi / Boy with coil of rope on the beach at Benguerra Island, Mozambique.

Tony Phelps / Shovel-snout Snake {Prosyma sundevalli} DeHoop Nature reserve, Western Cape, South Africa