Claudio Contreras / Californian sea lion (Zalophus californianus) swimming in Southern sea palm (Eisenia arborea) and Giant Kelp (Macrocystis pyrifera) forest, San Benitos Islands, Baja California Pacific Islands Biosphe...

Alex Mustard / Portrait of a male short snouted seahorse (Hippocampus hippocampus) in sea oak seaweed (Halidrys siliquosa). Devon, England, United Kingdom. British Isles. English Channel. North East Atlantic Ocean.

Nigel Cattlin / Peach leaf curl (Taprina deformans) fungal disease distortion of leaves on a young Peach tree, Berkshire, September.

Nigel Cattlin / Large rose sawfly (Arge pagana) larvae feeding on ornamental rose leaves in summer, Berkshire, September

Nick Hawkins / Sugar kelp (Sacchinaria latissima) off Nova Scotia, Canada. September

SCOTLAND: The Big Picture / Kelp forest (Laminaria digitata) with small fish, Shetland, Scotland, UK, July.

Marie Read / Ruby-throated Hummingbird (Archilocus colubris), male flying in to feed from cardinal flowers (Lobelia cardinalis) New York, USA. August.

Franco Banfi / Sugar kelp (Saccharina latissima) and Sea anemones (Actiniaria) on rock near iceberg. Tasiilaq, East Greenland. April.

Franco Banfi / Sugar kelp (Saccharina latissima) near iceberg, view upwards to gap in sea ice. Tasiilaq, East Greenland. April.

Ann & Steve Toon / Malachite sunbird (Nectarinia famosa) feding at flower, Kirstenbosch National Botanical Garden, Cape Town, South Africa, September

Franco Banfi / Close view of a Green anaconda, (Eunectes murinus) underwater, Formoso River, Bonito, Mato Grosso do Sul, Brazil

Juergen Freund / Male Tooth-billed bowerbird (Scenopoeetes dentirostris) removing yellow leaves from his bower, leaving only green leaves turned over on the ground, Atherton Tablelands, Queensland, Australia.

Ashley Cooper / Sunflower next to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. May 2011

Danny Green / Brown bear (Ursus arctos) in autumnal forest, Finland, September

Danny Green / Brown bear (Ursus arctos) in autumnal forest, Finland, September

Claudio Contreras / Californian Sealion (Zalophus californianus) in kelp (Macrocystis pyrifera) forest, San Benito del Este Island, Baja California Peninsula Pacific Islands Biosphere Reserve, Baja California, Mexico, Ma...

Sue Daly / Furbelows seaweed (Saccorhiza polyschides), with fronds moving in the current, Sark, British Channel Islands, UK, June.

SCOTLAND: The Big Picture / Grey seal (Halichoerus grypus) swimming over kelp forest, Shetland, Scotland, UK, August.

Willem Kolvoort / Water filled ditch with shadow of a tree on water with Fringed waterlily (Nymphoides peltata) Star duckweed (Lemna trisulca) Netherlands. July 2015. Commended in the Underwater World Category of the G...

Neil Aldridge / Two Lady's slipper orchids (Cypripedium calceolus) in flower in spring in woodland near Kuressaare, Saaremaa, Estonia.

Alex Mustard / California sea lion (Zalophus californianus) resting in the canopy of a forest of giant kelp (Macrocystis pyrifera). Santa Barbara Island, Channel Islands. Los Angeles, California, United States of Am...

Alex Mustard / Young California sea lion (Zalophus californianus) playing in the canopy of a forest of Giant kelp (Macrocystis pyrifera). Santa Barbara Island, Channel Islands. California, USA. North East Pacific Oc...

Solvin Zankl / Thongweed (Himanthalia elongata) edible plant sold as 'Sea Spaghetti' for human consumption. From Roscoff, France, April. Preserved specimen.

Solvin Zankl / Kelp forest (Laminaria hyperborea), Atlantic Ocean, North West Norway, March.

Jeff Vanuga / Ephydrid flies (Ephydra sp) that eat microscopic algae and survives during the winter in thermal pools. Biscut Basin, Yellowstone National Park, Wyoming, USA, January.

Marie Read / Horned puffin (Fratercula corniculata) close-up portrait, St. Paul Island, Pribilofs, Alaska, USA, July.

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

Eric Baccega / Dallol hot spring with salt concretions coloured by sulphur, potassium and iron, Dallol Volcano, Danakil Depression, Ethiopia, March 2015.

Juan Carlos Munoz / European beech forest (Fagus sylvatica) in autumn, view from below in the mist, Ilirska Bistrica, Green Karst, Slovenia, October.

Juan Carlos Munoz / People exploring underground lakes via rigid inflatable boat, Cross Cave (Krizna jama) under Cross Mountain, Green Karst, Slovenia, October 2014.

Solvin Zankl / Tiny crab on Broad-toothed Gulfweed (Sargassum fluitans) Sargassum Community. Sargasso Sea, Bermuda

Pascal Pittorino / Mining bee (Andrena) male and female mating on flower, Var, Provence, France, April.

Andy Rouse / Fish eye aerial view of autumnal forest, Finland, September.

Chris Mattison / Lichen (Nephroma antarctica) Rio Serrano, Chile. Focus stacked image.

Espen Bergersen / European shags (Phalacrocorax aristotelis) in courtship display. Hornoya bird cliff, Finnmark, Norway. March.

Danny Green / Steller's sea eagle (Haliaeetus pelagicus) on snowy ground, Japan, February

Danny Green / Steller's sea eagle (Haliaeetus pelagicus) close up portrait, Japan, February

Juergen Freund / Detail of Giant kelp (Macrocystis pyrifera) gas-filled bladders (pneumatocysts) Vancouver Island, British Columbia, Vancouver Island, Canada.

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...

Krista Schlyer / Green lynx spider (Peucetia viridans) on Yellow pitcher plant (Sarracenia flava) Green Swamp, North Carolina, USA. September.

Floris van Breugel / Aurora borealis / Northern Lights seen from entrance to tent, Brooks Range, Gates of the Arctic National Park, Alaska, USA, September 2014.

Floris van Breugel / Aurora Borealis over yellow tent lit from within and mountainous scenery, Arrigetch Peaks, Gates of the Arctic National Park, Brooks Range, Alaska, USA, August 2014.

Dong Lei / Primula (Primula serratifolia) in habitat, Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China.

Dong Lei / Golden bush-robin (Tarsiger chrysaeus) with insect prey, Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China.

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

Pascal Kobeh / Group of California sea lions (Zalophus californianus) in a kelp forest (Macrocystis pyrifera), California, USA. Pacific ocean.

Pascal Kobeh / Group of California sea lions (Zalophus californianus) swimming in kelp forest (Macrocystis pyrifera), California, USA. Pacific ocean.

Jussi Murtosaari / Woodland brown butterflies (Lopinga achine) copulating, Kanta-Hame, southern Finland, June.

Chris Mattison / Green tree monitor (Varanus prasinus) with tongue out, captive from SE Asia.

Alex Mustard,Alex Mustard / A blue light fluorescence photo of Jewel anemones (Corynactis viridis). The blue light source excites the fluorescent pigments in the anemones, which emit light of other colours. The muddy seabed and...

Alex Mustard / Scenic view of a bull kelp forest (Nereocystis luetkeana) with sunlight shining through the fronds. Browning Pass, Port Hardy, Vancouver Island, British Columbia. Canada. North East Pacific Ocean.

Alex Mustard,Alex Mustard / Portrait of a Yellow moray eel (Gymnothorax prasinus) - endemic to SE Australia. Chowder Bay, Sydney Harbour, New South Wales, Australia.

Markus Varesvuo / Common shag (Phalacrocorax aristotelis) flying, with the sun in the background, Vardo, Norway, March.

Willem Kolvoort / Tetra (Moenkhausia surinamensis) under Apinagia leaves. Awadan rapids, Gran Rio, Suriname, September.

Staffan Widstrand / Wild Wonders of China / Low's cymbidium (Cymbidium lowianum) endemic tree orchid, Gaoligongshan NP, Yunnan province, China

Ben Hall,Ben Hall / Aurora Borealis display over mountains at night, West Icelend, January 2013

Stephen Dalton / Speckled bush cricket (Leptophytes punctatissima) leaping, Sussex, England. Controlled conditions.

Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub amongst kelp on shoreline, Shetland Isles, Scotland, UK, October.

Sandra Bartocha / Field of ripe barley with green barley growing in vehicle tracks (Hordeum vulgare) Germany, July

Luiz Claudio Marigo / Machinery that cuts, peels and calculates the volume of the wood, cutting eucalyptus trees in the municipality of Linhares, Esparito Santo State, Eastren Brazil, January 2012. No release available.

Juan Carlos Munoz / Leaves floating on water with colourful reflections, Plitvice Lakes National Park, Lika, Croatia, Europe, October 2011

Roland Seitre / Yellow-shouldered Amazon (Amazona barbadensis) chicks in nest box, part of a conservation project on the island. Isla Margarita, Nueva Esparta, Venezuela, 2007.

Roland Seitre / Young Yellow-shouldered Amazons (Amazona barbadensis) in nesting hole. Isla Margarita, Nueva Esparta, Venezuela, 2007.

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

Alex Hyde / Cape sundew (Drosera capensis) close-up of sticky droplets on leaf hairs that trap invertebrate prey, originating from South Africa.

Alex Hyde / Indian moon / Indian luna Moth (Actias selene) close up of defensive spines on caterpillar. Captive.

MYN / Paul Harcourt Davies / Horsefly (Tabanus bovinus) close up of male feeding on fennel flower nectar (the females are blood suckers) Lazio, Italy, July. meetyourneighbours.net project

Roberto Rinaldi / Yellow fan coral / Seafan (Paramuricea clavata) amongst mass of invasive algae (Caulerpa taxifolia) with Rainbow wrasse fish (Coris julis), Strait of Messina, Southern Italy

Mark Hamblin / 2020VISION / Siskin (Carduelis spinus) male at garden pool, Scotland, UK, May. Did you know? The total combined size of the UKs gardens is bigger than all our National Nature Reserves put together!

Pete Oxford / Yellow-headed Amazon Parrot (Amazona oratrix) captive, Belize

Doug Perrine / Green sea turtle (Chelonia mydas) being cleaned of algae by Yellow tangs / surgeonfish (Zebrasoma flavescens), Puako, Kona, Hawaii, USA, June, Endangered species

Doug Perrine / Green sea turtle (Chelonia mydas) cleaned of algae by Yellow tangs / surgeonfish (Zebrasoma flavescens), Puako, Kona, Hawaii, USA, June, Endangered species

Nature Production / Japanese tree frog (Hyla japonica) hanging from Pumpkin flower, Japan

Daniel Heuclin / Ventral view of Wagler's / Temple Pitviper (Tropidolaemus wagleri). Controlled conditions. Mindanao, Philippines, February.

Ernie Janes / Three Domestic ducklings in green wooden shed

Floris van Breugel / A rock collector explores piles of fluorescent minerals found in the tailings of the Pacific Tungsten Mine near Darwin, California. The bright colours are caused by fluorescence excited by a shortwave...

Mark Carwardine / Mauritius / Mascarene / Echo parakeet (Psittacula eques) flying, threatened / endangered species, Black River Gorges, Mauritius, Indian Ocean, wild

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

Alex Hyde / Malagasy green lynx spider {Peucetia madagascariensis} photographed on a white background. Masoala Peninsula National Park, north east Madagascar.

Andy Sands / Flower beetle (Cryptocephalus sericeus) feeding on flower of Buttercup (Ranunculus sp) England, UK, Captive.

Rolf Nussbaumer / Green Jay (Cyanocorax yncas) perched on blooming Huisache tree (Acacia farnesiana) Dinero, Lake Corpus Christi, South Texas, USA

Stephen Dalton / Close up of feather of a parrot

SINCLAIR STAMMERS / Acellular Slime Mould, 'Many headed slime' (Physarum polycephalum) inhabits shady, cool, moist areas, such as decaying leaves and logs

Kirkendall-Spring / Larch trees (Larix) in autumn colour at Larch Lake in the Alpine Lakes Wilderness. Washington, USA, October 2009

Inaki Relanzon / Mixed forest colours in Autumm in the Ordesa and Monte Perdido National Park, Aragn, Pyrenees, Spain. October 2009

Wild Wonders of Europe / Maitland / Metallic green chafer / Emerald fruit beetle (Protaetia / Cetonia cuprea) Close-up of head, Stenje region, Galicica National Park, Macedonia, June 2009

Stephen Dalton / Green mosaic / Rancho grande harlequin frog (Atelopus cruciger) walking along tree trunk, Henri Pittier NP, Venezuela, South America, Critically endangered, thought extinct until a gravid female was f...

Wild Wonders of Europe / Bartocha / Green-winged orchid (Anacamptis morio) in flower, Gargano National Park, Gargano Peninsula, Apulia, Italy, April 2008

Peter Blackwell / Seven Little Bee-eaters (Merops pusillus) in a row, one facing away, Masai Mara, Kenya.

Norbert Wu / Green Sea Turtle (Chelonia mydas) being cleaned by Yellow-eyed Surgeonfish (Ctenochaetus strigosus), Hawaii

Michael & Patricia Fogden / Green-crowned Brilliant (Heliodoxa jacula) hummingbird juvenile male feeding at and pollinating Ginger (Costus montanus) flowers, Monteverde Cloud Forest Reserve, Costa Rica

Gerry Ellis / Emerald Tree Boa (Corallus caninus) hanging on tree branch, Amazon, Peru

Norbert Wu / Green Sea Turtle (Chelonia mydas) being cleaned by reef fish, Hawaii

Konrad Wothe / Yellow-naped Parrot (Amazona auropalliata) walking along palm frond, Amazon, Brazil