David Shale / Female Anglerfish fanfin seadevil (Caulophryne jordani) - Deep sea species from Atlantic Ocean, found at 700-3000m.

Fabrice Cahez / Wild cat (Felis silvestris) hidden in long grass, Vosges, France, July

Sandra Bartocha / Ghost wood - European Beech (Fagus sylvatica), woodland Nienhagen, Germany, April

Andy Sands / Glow Worm (Lampyris noctiluca) female glowing after dark. Hertfordshire, England, Uk, July.

Alex Hyde / Regal jumping spider (Phidippus regius) male originating from North America. Captive.

Solvin Zankl / Wild Common fruit fly (Drosophila melanogaster) Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria [focus stacking]

Solvin Zankl / Wild Common fruit fly (Drosophila melanogaster)Vienna Drosophila RNAi Center, Institute of Molecular Pathology, Austria [focus staking]

Solvin Zankl / Wild Common fruit fly (Drosophila melanogaster) Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria [focus stacking]

Pete Oxford / Eastern indigo snake (Drymarchon couperi) The Orianne Indigo Snake Preserve, Telfair County, Georgia, USA, threatened species, captive

Nick Garbutt / Silhouette of Red-fronted brown lemur (Eulemur rufus) leaping across gap in trees by moonlight, cathemeral behaviour, Ranomafana National Park, south east Madagascar, November

Nick Garbutt / Acacia sp. at night, with a herd of Plains Zebra (Equus quagga) beneath. Near Ndutu, Nogorongoro Conservation Area, Serengeti National Park, Tanzania.

Jeff Rotman / Spotted eagle ray (Aetobatus narinari), underside, Natal Coast, South Africa.

David Noton / Snow on the trees branches. Cadbury Castle, Somerset, England, January 2010.

David Maitland / Close-up view of the upward-looking giant dorsal compound eyes of the St Marks fly (Bibio marci) used to detect female flies flying above. Like many insects the eyes are "hairy". Feltwell, Norfolk, UK...

David Maitland / Head of female St. Marks fly (Bibio marci) showing normal sized compound eyes. Feltwell, Norfolk, UK

Juergen Freund / Common lionfish (Pterois volitans) seen from the rear. Lembeh Strait, North Sulawesi, Indonesia

Georgette Douwma / Giant Frogfish (Antennarius commerson) on coral reef. The animal can vary greatly in colour and pattern. Bali, Indonesia, December.

Chris Shields / Illustration of crab spider (Thanatus striatus) Philodromidae,.

Sergey Gorshkov / Salmon (Salmonidae) migrating to spawn in Lake Kuril, Kamchatka, Far East Russia, August

Inaki Relanzon / Star trails above Baobab trees (Adansonia za) at night, Zombitse National Park, Madagascar, June 2010

Alex Hyde / Beech woodland in dense fog. Derbyshire, UK, November

Alex Hyde / Cleg fly / Horsefly (Haematopota pluvialis) sucking blood from human.

Jeff Rotman / Lemon shark (Negaprion brevirostris) close up of eye, Bimini, Bahamas

Sue Flood / Bluefin tuna {Thunnus thynnus} captive in fish farm, Japan, 2000

Solvin Zankl / Pacific hatchetfish (Argyropelecus affinis) portrait

Pete Oxford / African clawed toad (Xenopus laevis) Albino, captive, from Southern Africa

Pete Oxford / Finch specimens at the Charles Darwin Research Station, Puerto Ayora, Santa Cruz Island, Galapagos Islands, L to R Top: Large Ground Finch (Geospiza magnirostris), Woodpecker Finch (Cactospiza pallidu...

Edwin Giesbers / Two Malaysian box turtles (Cuora amboinensis) with heads above water, Sarawak, Borneo, Malaysia

David Tipling / Rooks (Corvus frugilegus) gathering at roost in snowy woodlands. Buckenham, Norfolk,January

Laurent Geslin / House mouse (Mus musculus) walking down sloping beam in light from a window. Switzerland. Captive, May. Property released

Floris van Breugel / Ancient Bristlecone Pine tree (Pinus longaeva) at sunset. White Mountains, California, USA, June 2009

Alex Hyde / Parson's chameleon {Calumma parsonii} close-up of eye with brown coloured skin. Tropical rainforest, Masoala Peninsula National Park, north east Madagascar.

Alex Hyde / Ogre faced / Net-casting spider {Deinopis sp} with web held between legs that it will stretch over prey that walks below it. Masoala Peninsula National Park, north east Madagascar.

Alex Hyde / Close up of fore foot of Red fronted brown lemur {Lemur fulvus rufus}, Kirindy forest, West Madagascar

Alex Hyde / Black Jumping spider {Salticidae}. Tropical rainforest, Masoala Peninsula National Park, north east Madagascar.

Alex Hyde / Close-up of compound eyes of unidentified fly {Diptera}. Masoala Peninsula National Park, north east Madagascar.

Alex Hyde / Ogre faced / Net-casting spider {Deinopis sp} with web held between legs that it will stretch over prey that walks below it. Masoala Peninsula National Park, north east Madagascar.

Juan Manuel Borrero / White bald-headed uakari (Cacajao calvus) head portrait. Amazon basin. Iquitos. Loreto. Peru, Captive

Edwin Giesbers / Snow Leopard (Panthera uncia) sitting in darkness, with eyes glowing as they reflect available light, captive

Angelo Gandolfi / Barn Owl (Tyto alba) flying over the castle of Vulci (IX-XII century) Vulci archaeological and nature park, Lazio, Italy

Pete Oxford / Forest vegetation with epiphytes growing on tree branches on the western slope of the Mindo Cloud Forest, Ecuador, South America

Stephen Dalton / Daubenton's bat (Myotis daubentoni) hunting over water, England, UK

David Shale / Angler fish (Melanocetus murrayi) Mid-Atlantic Ridge, North Atlantic Ocean

David Shale / Angler fish (Melanocetus murrayi) Mid-Atlantic Ridge, North Atlantic Ocean

Ernie Janes / Church at Burnham Norton, floodlit with moon behind, Norfolk, UK, December

Tim Laman / Skull cave with a human skull embedded in the wall, with Triton bay and diving tender visible in background. Raja Ampat, West Papua, Indonesia, May 2007

Paul Hobson / Hedgehog (Erinaceus europaeus) released adult in churchyard at night, England, UK

Solvin Zankl / Spectral tarsier portrait {Tarsius tarsier / spectrum / fuscus} Sulawesi, Indonesia

Guy Edwardes / Woman with umbrella walking along Hell Lane, Sunken Lane (Holloway) in woodland, Symondsbury, Bridport, Dorset, England, UK. August 2020. Model released.

Guy Edwardes / Woman walking holding umbrella walking through dark woodland near Symondsbury, Bridport, Dorset, England, UK. August 2020. Model released.