Sam Hobson / Rose-ringed / ring-necked parakeets (Psittacula krameri) in flight on way to roost in an urban cemetery, London, UK, January. Finalist in the Birds category, Wildlife Photographer of the Year Awards (...

Clay Bolt / Rough Green Snake (Opheodrys aestivus) in undergrowth, Southern Appalachians, South Carolina, USA, North America, June.

Matthew Maran / Lime trees (Tilia sp) and benches in snow, Kenwood Estate, London, UK, January 2013.

Ben Cranke / European Herring Gull (Larus argentatus) taking off, Norway, May.

Olga Kamenskaya / Ice formations on Lake Baikal, Siberia, Russia, March 2007.

Pascal Kobeh / Great white shark (Carcharodon carcharias) in open water, Guadalupe island, Mexico. Pacific Ocean.

Denis-Huot / West African giraffe (Giraffa camelopardalis peralta) mother and baby nuzzling each other. Bioparc Zoo de Doue la Fontaine, France. Captive, occurs in south-western Niger. Endangered subspecies.

Frederique Olivier / Adelie penguins (Pygoscelis adeliae) wide angle portrait of two with larger group in background, Antarctica.

Wild Wonders of Europe / Bartocha / Poet's daffodil (Narcissus poeticus) on the Piano Grande, Monti Sibillini National Park, Italy, May.

Wild Wonders of Europe / Bartocha / Common peony (Paeonia officinalis) close up of stamens and stigma, Monti Sibillini National Park, Italy, May.

Staffan Widstrand / American Bison (Bison bison) in habitat, Grand Teton National Park, Wyoming, USA, October.

Pal Hermansen / Aerial view of river delta, South West Iceland, June 2014.

Christophe Courteau / Light of the Creac'h Lighthouse at night. Ile d'Ouessant / Ushant, Finistere, Brittany, France, September 2011.

Pascal Kobeh / Sicklefin lemon shark (Negaprion acutidens) in the lagoon of Picard Island, Aldabra, Seychelles, Indian Ocean.

David Tipling / Fern growing among Bluebells (Hyacinthoides non-scripta) Foxley Wood, Norfolk, UK, April.

Marie Read / Canada goose (Branta canadensis) adult swimming leading five goslings, Ithaca, New York, USA.

Denis-Huot / Village weaver bird (Ploceus cucullatus) male building a nest after the rains, Masai-Mara Game Reserve, Kenya. February.

Markus Varesvuo / Great white egret (Ardea alba) splashing, Hungary, January.

Markus Varesvuo / Willow grouse (Lagopus lagopus), Kiilopaa, Inari, Finland, January.

Andy Sands / Mining bee / Little flower bee (Anthophora bimaculata) taking nectar and pollen from Common fleabane (Pulicaria dysenterica) flower, with pollen covered scopa, Surrey, England, UK. August. Highly comm...

John Cancalosi / Brazilian agate, slice, with MR. Sad Face design.

MYN / Marc Pihet / Seven spot ladybird (Coccinella septempunctata) composite showing take off, Maine-et-Loire, France, September. meetyourneighbours.net project

Erlend Haarberg / Norway lemming (Lemmus lemmus) jumping aggressively, during the lemming population explosion, Vauldalen, Norway, May, 2011.

Martin Gabriel / Firefly crocus (Crocus sieberi) flowers in snow, Bavaria, Germany, March.

Ole Jorgen Liodden / Marine iguana (Amblyrhynchus cristatus) silhouetted at sunrise, Galapagos Islands. Endemic.

Ole Jorgen Liodden / Campbell albatross (Thalassarche impavida) in flight, silhouetted at sunset, near Campbell Islands, Sub-Antarctic New Zealand. February.

Ole Jorgen Liodden / Great grey owl (Strix nebulosa lapponica) in flight, close up, Finland, March.

Pal Hermansen / Colourful corn (Zea mays) seeds against white background.

Cyril Ruoso / Bonobo (Pan paniscus) orphan babies, Lola Ya Bonobo Sanctuary, Democratic Republic of the Congo. Non-ex

Franco Banfi / Pygmy blue whale (Balaenoptera musculus brevicauda) subspecies of blue whale, diving down, Mirissa, Sri Lanka, Indian Ocean. Endangered species.

Alex Hyde / Green tiger beetle (Cicindela campestris) close up portrait, Peak District National Park, Derbyshire, UK. May.

Danny Green / Steller's sea eagle (Haliaeetus pelagicus) in flight, Japan, February

Espen Bergersen / Gyrfalcon (Falco rusticolus) and Raven (Corvus corax) in flight, Hornoya bird cliff, Finnmark, Norway. March

Peter Cairns / Twilight over Flakstad beach, Lofoten, Norway. February 2014.

Andy Rouse / Bengal tiger (Panthera tigris tigris) portrait, whilst stalking, Bandhavgarh, India.

Orsolya Haarberg / High angle view of person walking on frozen lake of cracked ice. Lofoten Isands, Norway. January. Highly commended in the Landscape Category of the Oasis Photography Competition 2017. Highly commended...

David Tipling / European brown hare (Lepus europaeus) portrait in wheat field, Norfolk, England, UK, March.

Andy Rouse / Mute swan (Cygnus olor) with wings raised defensively at sunrise, Wales, UK, April.

Pascal Pittorino / Mediterranean tree frog (Hyla meridionalis) resting on a Red rose (Rosa sp) in organic garden, Toulon, Var, Provence, France, May.

Bruno D'Amicis / Desert monitor (Varanus griseus) moving across sand dunes, showing characteristic tracks, in the Sahara, Tunisia.

Solvin Zankl / Deep sea squid (Histioteuthis corona) specimen, from deep sea Atlantic Ocean.

Jordi Chias / Atolla jellyfish (Atolla wyvillei) with Gentoo penguin (Pygoscelis papua) in the background near the surface. Antarctic Peninsula. Finalist in the Underwater category of the Wildlife Photographer of t...

Eric Baccega / Portrait of woman from the Mursi tribe, traditionally decorated and painted, wearing a large clay lip plate, Omo Valley, Ethiopia, March 2015.

Cyril Ruoso / Oilseed rape (Brassica napus) fields in flower, Burgundy, France, May.

Espen Bergersen / Two Svalbard reindeer (Rangifer tarandus platyrhychus) Svalbard, Norway, April.

Juan Carlos Munoz / Aerial view of Delta Sierpe River Terraba, Corcovado National Park, Osa Peninsula, Puntarenas Province, Costa Rica. December 2014.

Jordi Chias / Juvenile Green turtle (Chelonia mydas) swimming near the surface, split level view, Fakarava atoll lagoon, Tuamotu Archipelago, French Polynesia, Pacific Ocean.

Floris van Breugel / Mount Fitz Roy at dawn on a snowy winter morning, Patagonia region of Argentina near El Chalten, June 2014.

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) mother with young, and silverback in background. Virunga Mountains, Rwanda. Non-ex.

Danny Green / Coastal brown bear (Ursus arctos) resting, Lake Clarke National Park, Alaska, September.

Jack Dykinga / Saguaro Cactus (Carnegiea gigantea) with flower cluster emerging from the tip of its limb, Saguaro National Park, Arizona, USA.

Chris & Monique Fallows / Wandering albatross (Diomedea exulans), engaged in mating display. South Georgia Island, Southern Ocean.

Danny Green / Coastal brown bear (Ursus arctos) and cub, Lake Clarke National Park, Alaska, September.

Danny Green / Whooper swans (Cygnus cygnus) two in flight, during snowfall, Lake Kussharo, Japan, February

Bence Mate / Great white egret (Ardea alba) silhouetted at sunset, Lake Csaj, Pusztaszer, Hungary, February. Winner of the Portfolio category of the Terre Sauvage Nature Images Awards competition 2015.