Pete Oxford / Soft Scale Insect (Coccidae) group, Napo River, Yasuni National Park, Amazon, Ecuador

Yva Momatiuk & John Eastcott / Mustang (Equus caballus) mare and foal silhouetted against the evening sky, Montana

Suzi Eszterhas / African Wild Dog (Lycaon pictus) on the hunt at sunset, northern Botswana

Bryan and Cherry Alexander / Bottle of wine with back lighting and cobwebs.

Sergey Gorshkov / Leopard (Panthera pardus) in brush, Botswana

Sergey Gorshkov / Osprey (Pandion haliaetus) chasing Cormorant (Phalacrocoracidae) at sunset, Volga Delta, Russia

Sergey Gorshkov / Warthog (Phacochoerus africanus) walking through shallow water, Botswana

Sergey Gorshkov / Lechwe (Kobus leche) herd running through shallow water, Botswana

Sergey Gorshkov / Brown Bear (Ursus arctos) shaking off water, Kamchatka, Russia

Vincent Grafhorst / Burchell's Zebra (Equus burchellii) herd, Makgadikgadi, Botswana

Vincent Grafhorst / Burchell's Zebra (Equus burchellii) calling in dust, Makgadikgadi, Botswana

Vincent Grafhorst / Red-billed Quelea (Quelea quelea) silhouetted flock flying at sunset, Mokolodi Nature Reserve, Botswana

Vincent Grafhorst / Rufous-naped Lark (Mirafra africana) singing on a signpost, Central Kalahari Game Reserve, Deception Valley, Botswana

Vincent Grafhorst / White-breasted Cormorant (Phalacrocorax lucidus) silhouetted by a setting sun, Botswana

Richard Du Toit / Blue Wildebeest (Connochaetes taurinus) males sparring, Kalahari, South Africa

ZSSD / Pink-backed Pelican (Pelecanus rufescens) with extended pouch, native to Africa

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) breeding male at sunset, Galapagos Islands, Ecuador

Murray Cooper / Buff-tailed Sicklebill (Eutoxeres condamini) on moss-covered branch, Ecuador

Murray Cooper / Treehopper (Guayaquila sp) group guarded by Ponerine Ants (Ectatomma tuberculatum), Ecuador

Murray Cooper / Sunset over rainforest, Amazon, Ecuador

Murray Cooper / Treehopper (Bocydium sp) group, Amazon, Ecuador

Murray Cooper / Cloud forest on the western slopes of Andes, Maquipucuna Reserve, Ecuador

Murray Cooper / Hoatzin (Opisthocomus hoazin) climbing up branch, Amazon, Colombia

Murray Cooper / Tiger Moth (Arctiidae) caterpillar with long hairs, Amazon, Ecuador

Steve Gettle / Common Loon (Gavia immer) and chick at sunrise, nothern Michigan

Murray Cooper / Heliconius Butterfly (Heliconius sp) silhouette

Murray Cooper / Coast Redwood (Sequoia sempervirens) forest in morning mist, Humboldt Redwoods State Park, California

Tui De Roy / Flightless Cormorant (Phalacrocorax harrisi) drying wings, Galapagos Islands, Ecuador

Tui De Roy / Flightless Cormorant (Phalacrocorax harrisi) drying wings, Galapagos Islands, Ecuador

Sebastian Kennerknecht / Pride of Madeira (Echium candicans) flowering, Big Sur, California

Jim Brandenburg / Standing Stones at sunrise, Carnac, Brittany, France

Konrad Wothe / Winter scene on Arber Mountain, Bavaria, Germany

Ingo Arndt / Common Starling (Sturnus vulgaris) mass arriving at roost, Rome, Italy

Ingo Arndt / Caribou (Rangifer tarandus) herd crossing a river during summer migration, Arctic National Wildlife Refuge, Alaska

Ingo Arndt / Midge (Chironomidae) swarm, France

Steve Gettle / Sandhill Crane (Grus canadensis) trio flying, Bosque del Apache National Wildlife Refuge, New Mexico

Steve Gettle / Sandhill Crane (Grus canadensis) flock flying, Bosque del Apache National Wildlife Refuge, New Mexico

Konrad Wothe / Icebergs at sunrise, Antarctica

Tui De Roy / Impala (Aepyceros melampus) male with dawn sky, Loisaba Wilderness, Kenya

Pete Oxford / Spanish Lynx (Lynx pardinus) researcher, Leonardo Fernandez Pena, radio tracking, Donana National Park, Huelva, Andalusia, Spain

Yva Momatiuk & John Eastcott / Snow Goose (Chen caerulescens) and Sandhill Cranes (Grus canadensis) feeding and roosting in pond seeking protection from predators at sunset, Bosque del Apache National Wildlife Refuge, New Mexico

Yva Momatiuk & John Eastcott / Grizzly Bear (Ursus arctos horribilis) female guarding caribou meat, Richardson Mountains, Dempster Highway, Yukon, Canada

Yva Momatiuk & John Eastcott / Grizzly Bear (Ursus arctos horribilis) female guarding caribou meat, Richardson Mountains, Dempster Highway, Yukon, Canada

Richard Du Toit / African Spoonbill (Platalea alba) in wetland, Ol Pejeta Conservancy, Kenya

Albert Lleal / Spider web at dawn covered in dew, Spain

Ingo Arndt / Midge (Chironomidae) swarm, France

Chien Lee / Ptari Tepui surrounded by clouds, Venezuela

Pete Oxford / Rice (Oryza sativa) terraces and two people, Yunnan, China

Suzi Eszterhas / Vervet Monkey (Chlorocebus pygerythrus) troop, Lewa Wildlife Conservation Area, northern Kenya

Hiroya Minakuchi / Rainforest leaves showing sunlight and shadow patterns, Borneo, Malaysia

Pete Oxford / Magellanic Penguin (Spheniscus magellanicus) adults with juveniles returning to the land to moult, Saunders Island, Falkland Islands

Pete Oxford / Gentoo Penguin (Pygoscelis papua) group on beach at sunset, Saunders Island, Falkland Islands

Pete Oxford / Gentoo Penguin (Pygoscelis papua) at sunset, Saunders Island, Falkland Islands

Michael Quinton / Red Fox (Vulpes vulpes) pup, Alaska

Michael Quinton / Red Fox (Vulpes vulpes) pup, Alaska

Konrad Wothe / Domestic Horse (Equus caballus) group wrangled by cowboys, Oregon

Hiroya Minakuchi / Papuan Jellyfish (Mastigias papua), Palau

Hiroya Minakuchi / Papuan Jellyfish (Mastigias papua), Palau

Hiroya Minakuchi / Jellyfish (Mastigias sp) group swimming, Jellyfish Lake, Palau

Ingo Arndt / Caribou (Rangifer tarandus) bull crossing a river during summer migration, Arctic National Wildlife Refuge, Alaska

Ingo Arndt / Saguaro (Carnegiea gigantea) cactus and sun, Saguaro National Park, Arizona

Colin Monteath / Light shines through industrial chimneys, Christchurch, New Zealand

Colin Monteath / Light shines through industrial chimney, Christchurch, New Zealand

Richard Du Toit / Fishermen in mokoro boat at sunrise, Chobe River, Namibia

Richard Du Toit / Fishermen in mokoro boat at sunrise, Chobe River, Namibia

Richard Du Toit / Springbok (Antidorcas marsupialis) group running from African Lion (Panthera leo) female in distance, Kgalagadi Transfrontier Park, South Africa

Fred Bavendam / Whale Shark (Rhincodon typus) silhouetted, Ningaloo Reef, Australia

Matthias Breiter / Polar Bear (Ursus maritimus) female in a field of fireweed, Hudson Bay, Canada

Matthias Breiter / Polar Bear (Ursus maritimus) female in a field of fireweed, Hudson Bay, Canada

Matthias Breiter / Grizzly Bear (Ursus arctos horribilis) male walking on tidal flats at sunrise, Katmai National Park, Alaska

Jasper Doest / Texas Brown Tarantula (Aphonopelma hentzi) silhouetted against sunset, George West, Texas

Jasper Doest / Eastern Meadowlark (Sturnella magna) calling, George West, Texas

Jasper Doest / Common Crane (Grus grus) walking, Lake Hornborga, Sweden

Jasper Doest / Common Crane (Grus grus) flying, Lake Hornborga, Sweden

Jasper Doest / Common Crane (Grus grus) group flying, Lake Hornborga, Sweden

Stephen Belcher / Quiver Tree (Aloe dichotoma) silhouettes at sunset, Keetmanshoop, Namibia

Stephen Belcher / Quiver Tree (Aloe dichotoma) silhouettes at sunset, Keetmanshoop, Namibia

Stephen Belcher / Angolan Giraffe (Giraffa giraffa angolensis) pair silhouetted against a sunset, Etosha National Park, Namibia

Stephen Belcher / Angolan Giraffe (Giraffa giraffa angolensis) silhouetted against a sunset, Etosha National Park, Namibia

Jasper Doest / Mute Swan (Cygnus olor), South Holland, Netherlands

Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) silhouette at dusk, Morondava, Madagascar

Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) in Avenue of the Baobabs at sunset, Morondava, Madagascar

Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) silhouette at dusk, Morondava, Madagascar

Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) and lilies at sunset, Morondava, Madagascar

Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) trees in Avenue of the Baobabs at sunset, Morondava, Madagascar

Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) and lilies at sunset, Morondava, Madagascar

Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) and lilies at sunset, Morondava, Madagascar

Vincent Grafhorst / Grandidier's Baobab (Adansonia grandidieri) and lilies at sunset, Morondava, Madagascar

Jasper Doest / Coast Live Oak (Quercus agrifolia), Texas

Jasper Doest / Coast Live Oak (Quercus agrifolia), Texas

Jasper Doest / Arctic Fox (Alopex lagopus) pup running across the tundra, Svalbard, Norway

Stephen Belcher / Pohutu Geyser erupting, Whakarewarewa, Rotorua, New Zealand

Stephen Belcher / Whooper Swan (Cygnus cygnus) flock swimming on lake with steam, Lake Kussharo-ko, Hokkaido, Japan

Stephen Belcher / Whooper Swan (Cygnus cygnus) flock swimming on lake with steam, Lake Kussharo-ko, Hokkaido, Japan

Stephen Belcher / Orangutan (Pongo pygmaeus) juvenile hanging in a tree, Tanjung Puting National Park, Borneo, Malaysia, Indonesia

Stephen Belcher / Pohutu Geyser erupting, Whakarewarewa, Rotorua, New Zealand