Vincent Grafhorst / Minden / Crater of active volcano at twilight, Erta Ale, Danakil Depression, Ethiopia

Bruce Thomson / Spinifex pigeon (Geophaps plumifera) flock on stony desert floor, Diamantina River, Queensland, Australia.

Jack Dykinga / Ironwood Forest National Monument, Arizona. Sunset light with whispy clouds over Ragged Top Mountain in the Silverbell range.

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

Jack Dykinga / Burrowing owls (Athene cunicularia) pair mating, Marana farming complex, Arizona, USA. April.

Jack Dykinga / Burrowing owls (Athene cunicularia) pair mating, Marana farming complex, Arizona, USA. April.

Etienne Littlefair / Eyrean Grasswren (Amytornis goyderi) in typical hopping motion, Andado Station, Northern Territory, Australia, November.

Jack Dykinga / Desert lilies (Hesperocallis undulata) flowering in spring on dunes at dawn. Mohawk Dunes, Barry M. Goldwater Range, Sonoran Desert, Arizona, USA.

Wendy Shattil / Light shining through the U.S. border wall, Organ Pipe Cactus National Monument, Arizona, USA, March 2020.

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.

Jack Dykinga / Joshua Trees (Yucca brevifolia) of the Mojave Desert at dawn encircled with flowering lupines. (Lupinus sp,) Mohave County, Castaneda Wash, Arizona, USA.

Oriol Alamany / Rock arch in Spitzkoppe mountains, Namib Desert, Namibia, October

Klein & Hubert / Long eared jerboa (Euchoreutes naso) digging a burrow at night, Gobi desert at dawn. Mongolia

Klein & Hubert / Long eared jerboa (Euchoreutes naso), Gobi desert, portrait, Mongolia

Klein & Hubert / Long eared jerboa (Euchoreutes naso), Gobi desert, portrait, Mongolia

Klein & Hubert / Long eared jerboa (Euchoreutes naso) digging a burrow with teeth, Gobi desert, Mongolia

Klein & Hubert / Long eared jerboa (Euchoreutes naso) jumping, Gobi desert at dusk, Mongolia

Klein & Hubert / Long eared jerboa (Euchoreutes naso) jumping, Gobi desert, Mongolia

Klein & Hubert / Long eared jerboa (Euchoreutes naso) jumping, Gobi desert at dusk, Mongolia

Klein & Hubert / Long-eared jerboa (Euchoreutes naso) jumping, Gobi desert at dusk, Mongolia

Klein & Hubert / Long eared hedgehog (Hemiechinus auritus) walking on a dune bordering the Gobi desert at dusk, The dunes bordering the desert have at their bottom circular green patches rich in insects, Mongolia

Klein & Hubert / Long eared hedgehog (Hemiechinus auritus) walking on a dune bordering the Gobi desert at dusk, The dunes bordering the desert have at their bottom circular green patches rich in insects, Mongolia

Klein & Hubert / Long eared hedgehog (Hemiechinus auritus) walking, dunes bordering the Gobi desert. The dunes bordering the desert have at their bottom circular green patches rich in insects, Mongolia

Claudio Contreras / Catalina Desert Iguana (Dipsosaurus catalinensis), Catalina (Santa Catalina) Island, Loreto Bay National Park, Gulf of California (Sea of Cortez), Baja California, Mexico, May, Second place in Visions...

Klein & Hubert / Long-eared jerboa (Euchoreutes naso) at sunrise. Gobi Desert, Mongolia.

Oriol Alamany / Licancabur volcano and surrounding mountains reflected in waters of a severe flood caused by climate change. Los Flamencos National Reserve, Antofagasta , Chile. February 2019.

John Cancalosi / Sonoran desert toad (Incilius alvarius) pair mating, with trail of spawn in water. Arizona, USA.

Oriol Alamany / Heavy and unusual rainstorms on Cordillera de la Sal, Atacama desert, Los Flamencos National Reserve, Antofagasta Region, Chile, February

Fabio Pupin / Peringuey's desert adder, (Bitis peringueyi), sidewinding on dune, Namib desert, Namibia, February . Non-ex.

Jack Dykinga / Saguaro cacti (Carnegia gigantea) at sunset, during a summer rain storm. Saguaro National Park, Sonoran Desert, Arizona, USA, August. Digital composite.

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.

Jack Dykinga / Waterfall over sandstone with cottonwood tree, Long Canyon , Burr Trail, Grand Staircase-Escalante National Monument, Utah, USA. October.

Jack Dykinga / Navajo Sandstone formations with striated lines of mineral deposits. Grand Staircase-Escalante National Monument, Utah

Jack Dykinga / Morning light with autumn coloured Cottonwoods (Populus sp) trees lining the river. Valley of the Gods, Colorado Plateau, of the Great Basin Desert, Utah, USA, November 2018.

Jack Dykinga / Erosion sculpted 'pot-hole' with reflection of clouds at sunset, Muley Point, Cedar Mesa, Bears Ears National Monument, Utah, USA, October 2018.

Jack Dykinga / Greater roadrunner (Geococcyx californianus) running to feed brood with Lizard prey in beak. Catalina State Park, Sonoran Desert, Arizona, USA. June.

Jack Dykinga / Yellow paloverde (Cercidium microphyllum) flowering amongst Saguaro (Carnegiea gigantea). In foothills on north side of Santa Catalina Mountains, Coronado National Forest, Arizona, USA. May 2019.

John Shaw / Namaqua chameleon (Chamaeleo namaquensis) catching larvae with its extended tongue. In the Namib desert near Swakopmund, Namibia.

Jiri Lochman / Fat-tailed pseudantechinus (Pseudantechinus macdonnellensis) Picture Hill area, in Great Sandy Desert, Western Australia .

Jiri Lochman / Wongai Ningaui (Ningaui ridei) catching beetle, Goongarrie NP, at the western egde of Great Victoria Desert, Western Australia.

Jiri Lochman / Little red kaluta (Dasykaluta rosamodae) feeding on a grasshopper, Great Sandy Desert, Western Australia.

Jiri Lochman / Brush-tailed mulgara (Dasycercus blythi) Little Sandy Desert, Western Australia.

Oriol Alamany / Snow leopard (Panthera uncia) female with juvenile, walking in snow, in Spiti Valley, Cold Desert Biosphere Reserve, Himalaya, Himachal Pradesh, India, March

Oriol Alamany / Snow leopard (Panthera uncia) male in snow, in Spiti Valley, Cold Desert Biosphere Reserve, Himalaya, Himachal Pradesh, India, March