Jack Dykinga / Lightning storm with rainbow over Saguaro cactus (Carnegiea gigantea) near Redrock, Arizona State Trust, Sonoran Desert, Arizona. September 2015. Long exposure with lightning trigger.

Bence Mate / Green / Double-crested basilisk (Basiliscus plumifrons) running across water surface, Santa Rita, Costa Rica. Did you know? This amazing lizard is colloquially known as the 'Jesus Christ lizard' for i...

Doug Gimesy / Greater crested tern (Thalasseus bergii) flies over breaking waves on a stormy day, with a rainbow in the background, Apollo Bay, Victoria, Australia.

Jack Dykinga / Rainbows over the Santa Catalina Mountains at sunset following a powerful monsoon storm, Sonoran Desert, Arizona, USA.

David Noton / Rainbow over Mupe Bay on Christmas Eve, Jurassic Coast, Dorset, England, UK. December 2019.

Jeff Foott / Mexican giant cardon cactus (Pachycereus pringlei) and Boojum tree (Fouquieria columnaris) in Sonoran Desert, rainbow in background. Catavina, Valle de los Cirios Reserve, Baja California, Mexico.

Ross Hoddinott / St Michael's Mount at sunrise with a rainbow over Penzance, Marazion, Wesat Cornwall, UK. February.

Jack Dykinga / Rainbow over Long Canyon with fall coloured Cottonwood (Populus) trees against canyon walls, Burr Trail, Grand Staircase-Escalante National Monument, Utah, USA, October 2018.

Stephane Granzotto / Long-finned pilot whale (Globicephala melas) blowing at surface with rainbow affect in the spray, Mediterranean Sea, Corsica

Ashley Cooper / Rainbow over water flowing out of the Karahnjukar dam and Halslon reservoir, a massive new controversial hydro electricity project in North East Iceland. It was created by damming the Jokuls a Dal riv...

Jack Dykinga / Rainbow over petrified sand dunes at sunset, Vermilion Cliffs National Monument, Paria Canyon-Vermilion Cliffs Wilderness, Arizona, USA.

Bence Mate / Leaf cutter ants (Atta sp) carrying colourful plant matter, reflected in water, Laguna del Lagarto, Santa Rita, Costa Rica

Niall Benvie / Jokulsarlon lagoon at dawn with rainbow in the sky. Iceland, October 2015.

Orsolya Haarberg / View of a rainbow in the spray of Bjornefossen Waterfall, Saltfjellet-Svartisen National Park, Norway, August 2015.

Brent Stephenson / Three King penguins (Aptenodytes patagonicus) in light drizzle with a faint rainbow in the background, St Andrew's Bay, South Georgia, South Atlantic, January.

Jack Dykinga / Lightning storm with rainbow over Saguaro cactus (Carnegiea gigantea) Avra Valley, Saguaro National Park, Tucson Mountains, Arizona, USA, August 2015. Long exposure with lightning trigger.

Ole Jorgen Liodden / Nazca booby (Sula granti) in flight with rainbow behind, Galapagos.

Denis-Huot / Cheetah (Acinonyx jubatus) resting with rainbow behind it, Masai-Mara Game Reserve, Kenya. September.

Hougaard Malan / Rainbow over desert landscape. Namib Rand, Namibia. February 2011.

Hougaard Malan / Sunlight illuminating a mountain below a rainstorm. Namib Rand, Namibia. February 2011.

Hougaard Malan / Rainbow over the Augrabies waterfall in flood. Augrabies National park, Northern Cape, South Africa. January 2011.

Hougaard Malan / Rainbow in the spray over Victoria Falls. Zimbabwe, Africa. November 2012.

Olga Kamenskaya / Pyramidal ice fragment reflected on the surface of Lake Baikal. Ice fragment acting as a prism refracting light into rainbow. Siberia, Russia, March.

Dong Lei / Jungle Crow (Corvus macrorhynchos) perched on tree branch with rainbow, Shejila mountain, Qinghai-Tibetan Plateau, Tibet, China. July.

Kirkendall-Spring / Lower Yellowstone Falls with rainbow, on the Yellowstone River viewed from Lookout Point Trail, Yellowstone National Park, Wyoming, USA, June 2013.

Daniel Heuclin / Armadillo Lizard (Cordylus cataphractus) biting its own tail while trying to roll into a defensive ball, captive, from South Africa

Paul Harcourt Davies,Paul Harcourt Davies / Poppies (Papaver rhoeas) in flower, growing near the military cemetry, Bolsena, Italy. Taken with fisheye lens

David Tipling / Red-crowned Cranes (Grus japonensis) displaying at dawn Hokkaido, Japan, February. Did you know? Red crowned cranes mate for life.

Juergen Freund / Spectral Tarsier (Tarsius tarsier) feeding on preying mantis in strangler fig tree, Tangkoko National Park, North Sulawesi, Indonesia

Enrique Lopez-Tapia / Zanzibar red colobus (Piliocolobus kirkii) in tree, Jozany Forest, Zanzibar, Tanzania. Highly endangered. Did you know? Zanzibar red colobuses are called 'Poison monkeys' by the local people on the is...

Brandon Cole / A vibrant, busy coral reef with many species of hard and soft corals, a cloud of Scalefin anthias (Pseudanthias squammipinnis) fish swarming about, Fiji, tropical Pacific Ocean.

Nick Upton / 2020VISION / A Long-legged fly (Neurigona quadrifasciata) rarely recorded in the UK, found during Bioblitz survey at Abbots Pool and woodland reserve, silhouetted against an Ivy leaf (Hedera helix), Bristol, UK, J...

Tui De Roy / Wolf-Volcano giant tortoise (Chelonoidis nigra becki) portrait with ground finch (Geospiza sp. ) sitting on foot, Isabela Island, Galapagos. Did you know? Galapagos tortoises have a mutualistic relati...

Paul D Stewart / Photomontage of living gecko feet showing a variety of forms. Gecko feet employ very small subdivided filaments to bond with their substrates at the molecular level using Van Der Waals' forces. Every...

Roland Seitre / Spanish / Iberian Lynx (Lynx pardina) cub portrait, part of a breeding and reintroduction program. Captive: critically endangered. Andalusia, Spain, June 2006.

Daniel Heuclin / Goliath frog (Conraua goliath) sitting on rock on side of river, Cameroon.

Kathryn Jeffs / Rainbow off Antarctica, February 2009, Taken on location for BBC Frozen Planet series

Fiona Rogers / Proboscis Monkey (Nasalis larvatus) mature male head and shoulders portrait. Bako National Park, Sarawak, Borneo, Malaysia, April. Did you know? A Proboscis monkey's nose can reach up to a quarter of...

Axel Gomille / Sloth Bear (Melursus ursinus) mother with cub riding on her back. Karnataka, India, April. Did you know? The sloth bear is the only bear that carries its young on its back.

Juergen Freund / Horsehoe crab (Tachypleus gigas) swimming on its back with gills creating the propulsion, Palawan, Philippines. Did you know? Horseshoe crabs are more closely related to spiders than crabs.

Georgette Douwma / Barrel Sponge (Xestospongia testudinaria) on coral reef with soft corals (Scleronephthya sp), gorgonian and Lyretail anthias (Pseudanthias squamipinnis). Komodo National Park, Indonesia.

Ann & Steve Toon / Baby African elephants (Loxodonta africana) of various ages playing together, Addo national park, Eastern Cape, South Africa, January. Did you know? Elephants can tell the difference between different...

Claudio Contreras / La Hotte big-legged landfrog (Eleutherodactylus apostates), critically endangered, Haiti, captive

Fergus Gill / Osprey (Pandion haliaetus) flying through a rainbow. Aviemore, Scotland, July.

Eric Dragesco / Wild female Snow Leopard (Panthera uncia) portrait, standing camouflaged on rocky mountainside, at an altitude of 2500m, Altai mountains, Mongolia. July . NB-This female probably has cubs: the fur aro...

Kevin Schafer / Golden lion tamarin (Leontopithecus rosalia) wild, Poco das Antas Reserve, Atlantic Forest, Southeast Brazil, Critically endangered, November. Did you know? More than 400 Golden lion tamarins have bee...

Nick Upton / Traditional organic hay meadow with a profusion of wild flowers and grasses including Pyramid orchid (Anacamptis pyramidalis) Common spotted orchid (Dactylorhiza fuchsii, Rough hawkbit (Leontodon hisp...