Floris van Breugel / Sub-alpine larches (Latrix sp.) in late autumn in North Cascades National Park, Washington, USA. October.

Paul D Stewart / Aerial view of Grand Prismatic thermal spring in Yellowstone National Park, USA. The bright colours are natural, coming from thermophile bacteria in the water. People can be seen walking on the raised...

Fergus Gill / 2020VISION / A misty morning view looking down the River Tay in autumn, Kinnoull Hill Woodland Park, Perthshire, Scotland, November 2011.

Chris Gomersall / 2020VISION / Yellow wagtail (Motacilla flava flavissima) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April. Did you know? Yellow wagtails commonly used to nest in wat...

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

Alex Mustard / Yellow tube sponge (Aplysina fistularis) top view of tubes with water swirling around them, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

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

Luis Quinta / Schreiber's lizard (Lacerta schreiberi) adult male on river bank with waterfall in background, Geres National Park, Portugal, May.

Andy Rouse / Landscape of Seven Islands and arctic coastline. Svalbard, Norway, May 2010.

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!

Kirkendall-Spring / Larch trees in autumn colour at Larch Lake in the Chiwaukum Mountain Range of the Alpine Lakes Wilderness, Washington, USA, October 2009

B&S Draker / Yellow Mud Turtle (Kinosternon flavescens) adult sunning on log with dragonfly perched on its nose. Starr County, Rio Grande Valley, Texas, USA.

Loic Poidevin / Man walking over colourful mineral deposits at the Dallol hydrothermal site on the Karoum salt lake, Danakil depression, northern Ethiopia, February 2009

Loic Poidevin / Mineral deposits at the Dallol hydrothermal site on the Karoum salt lake, Danakil depression, northern Ethiopia, February 2009

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

David Tipling / 2020VISION / Black-tailed godwit (Limosa limosa) taking off from tidal pool, Snettisham RSPB reserve, Norfolk, UK, March. 2020VISION Exhibition. 2020VISION Book Plate. Did you know? The black-tailed godwit's bill...

Peter Cairns / 2020VISION / Fishing boat silhouetted at sunset, The Minch, a stretch of water between NW Highlands and the Inner Hebrides, Scotland, UK, May 2010

Juergen Freund / Schooling Silverside fish (Antherinidae) split level with karst limestone walls, fan coral and featherstar, North Raja Ampat, West Papua, Indonesia, February 2002.

Juergen Freund / Feather star (Crinoidea) underside. Misool, Raja Ampat, West Papua, Indonesia

Juergen Freund / Nudibranchs (Hypselodoris / Chromodoris bullocki) mating and laying eggs, Lembeh Strait, North Sulawesi, Indonesia

Andy Rouse / Great Crested Grebe (Podiceps cristatus) on water. Wales, UK, Europe, June.

Ross Hoddinott / 2020VISION / English oak {Quercus robur} leaf in autumn, Donisthorpe, The National Forest, Leicestershire, UK. November. Did you know? There are more than 600 species of oak around the world.

Alex Mustard / A young Spiny / Longsnouted / Yellow Seahorse (Hippocampus guttulatus), aquarium image. This seahorse is part of a UK seahorse breeding program. Photographed at the SEALIFE quarantine and breeding fac...

Alex Mustard / A female Spiny Seahorse (Hippocampus guttulatus) in weeds. Sardina, Gran Canaria, Canary Islands, East Atlantic Ocean, October.

Juergen Freund / Yellow-ribbon sweetlips (Plectorhinchus polytaenia) surrounded by dense shoal of glassy sweepers (Pempheris schomburgki). North Raja Ampat, West Papua, Indonesia

Peter Cairns / Siskin (Carduelis spinus) male reflected in garden pool. Scotland, May.

Orsolya Haarberg / Eurasian sparrowhawk (Accipiter nisus) female bathing, Hungary

Georgette Douwma / Lyrtetail anthias (Pseudanthias squamipinnis) in water column with Peach anthias (Pseudanthias dispar) in background. Indonesia, October

Shattil & Rozinski / Kelp floating on water at the edge of the Great Bear Rainforest, British Columbia, Canada, September

Alex Mustard / Caribbean reef shark (Carcharhinus perezi) swims over a coral reef. Grand Bahama Island, Bahamas. Tropical West Atlantic Ocean.

Steve Knell / Tufted duck (Aythya fuligula) drake on water with Midges (Chironomidae) Iceland. June

Fabio Liverani / Crested Newt (Triturus cristatus carnifex) underwater view of female swimming near surface, Traversari lake, Campigna National Park, Emilia Romagna and Tuscany regions, Italy

Georgette Douwma / Golden damselfish (Amblyglyphidodon aureus) swimming past coral reef wall with colourful soft corals. Bali, Indonesia.

Michel Roggo / Underwater landscape with water lily in peat pond, Fribourg, Switzerland, May

Laurent Geslin / Mallard ducks (Anas platyrhynchos) females looking skyward together on the shore of Lake of Geneva, France, June.

Jouan & Rius / View of Pinnacles desert after heavy rainfall, Nambung National Park, Western Australia. August 2009

Rolf Nussbaumer / Yellow Waterlily (Nymphaea mexicana) flowers, with reflections, Fennessey Ranch, Refugio, Coastal Bend, Texas, USA

Doug Perrine / Dolphin fish / Mahi mahi / Dorado (Coryphaena hippurus) large male, off Isla Mujeres, near Cancun, Yucatan Peninsula, Mexico, Caribbean Sea

David Woodfall / Traditional lave net fisherman (a method dating back at least 1,500 years) fishing for salmon. This Severn Estuary way of life is threatened by proposed barrage. Gloucestershire, England, July 2009, M...

Edwin Giesbers / Silhouette of Black-winged stilt (Himantopus himantopus) standing on exposed rock over water, with reflections, Lesbos, Greece

Miles Barton / Panamanian Golden Frog (Atelopus ziteki) Panama, Featured in BBC NHU series 'Life in Cold Blood'. Species now extinct in the wild

David Woodfall / Woman walking through polluted slum, Dhaka, Bangladesh, July 2008

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

Nick Upton / Alpine / Yellow-billed chough (Pyrrhocorax graculus) flying past waterfall and sheer cliffs of the Cirque de Gavarnie, Haute Pyrenees, France.

Wild Wonders of Europe / della F / Yellow water lilies (Nuphar lutea) and White water lilies (Nymphaea alba) on Deransko Lake at sunset, Hutovo Blato Nature Park, Bosnia and Herzegovina, May 2009 WWE OUTDOOR EXHIBITION.

Wild Wonders of Europe / della Ferrera / Marsh spurge (Euphorbia palustris) flowering in water, Northern part of Livanjsko Polje, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Yellow water lilies (Nuphar lutea) and White water lilies (Nymphaea alba) on Deransko Lake at sunset, Hutovo Blato Nature Park, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / Lilja / Sage leaved cistus (Cistus salvifolius) close-up of flower covered in raindrops, Crete, Greece, April 2009

Wild Wonders of Europe / Radisics / Two Whiskered terns (Chlidonias hybridus) on water covered with flowering Fringed water lilies / yellow floating heart (Nymphoides peltata) Hortobagy National Park, Hungary, July 2009

Wild Wonders of Europe / Radisics / Whiskered tern (Chlidonias hybridus) with stretched wings on nest in lake covered in flowering Fringed water lilies / Yellow floating heart (Nymphoides peltata) Hortobagy National Park, Hungary, July...

Wild Wonders of Europe / Radisics / Fringed water lilies / Yellow floating heart (Nymphoides peltata) flowers on lake, Hortobagy National Park, Hungary, July 2009

Wild Wonders of Europe / Giesbers / Alpine aster (Aster alpinus) flower with water droplets at the end of the petals, Liechtenstein, June 2009

Wild Wonders of Europe / Giesbers / Globeflower (Trollius europaeus) in flower with water droplets on petals, Liechtenstein, June 2009

Wild Wonders of Europe / Radisics / Yellow water lilies (Nuphar lutea) viewed from underwater, Lake Skadar, Lake Skadar National Park, Montenegro, May 2008

Wild Wonders of Europe / Wothe / Yellow water lily (Nuphar luteum) Backwater of Latorica River, Eastern Slovakia, Europe, June 2009

Wild Wonders of Europe / Damsche / Great egret (Ardea alba) landing on water at sunrise, Elbe Biosphere Reserve, Lower Saxony, Germany, September 2008

Wild Wonders of Europe / Biancarelli / Sycamore (Acer pseudoplatanus) leaves over Gradinsko Lake, Upper lakes, Plitvice Lakes NP Croatia, October 2008

Wild Wonders of Europe / Cairns / Cascading river through autumnal foliage, Sarek National Park, Laponia World Heritage Site, Lapland, Sweden, September 2008

Jouan & Rius / Misty morning along Yellow Water, South Alligator River floodplain, Kakadu National Park, Northern Territory, Australia

Jouan & Rius / Paperbark gum trees (Melaleuca sp) growing along Yellow Water, South Alligator River floodplain, Kakadu National Park, Northern Territory, Australia

David Kjaer / Yellow-legged Gull (Larus cachinnans) & two Juvenile Herring Gull (Larus argentatus) catching fish and fighting, Poland

Yva Momatiuk & John Eastcott / American Beaver (Castor canadensis) a semi-aquatic rodent swimming across calm pond behind beaver dam on mountain river, fall foliage reflectd in water, evening, Denali National Park, Alaska

Jack Dykinga / Red and Yellow coloured Bigtooth Maples (Acer saccharum grandidentatum) in Autumn, West Fork Oak Creek, Coconino National Forest, Arizona

Rolf Nussbaumer / American purple gallinule {Porphyrio martinicus} eating Yellow Water Lily flower {Nuphar lutea}Welder Wildlife Refuge, Sinton, Texas, USA.

Rolf Nussbaumer / Common Moorhen {Gallinula chloropus} hen with Yellow Water Lillies, Welder Wildlife Refuge, Sinton, Texas, USA.

Rolf Nussbaumer / American purple gallinule {Porphyrio martinicus} adult on Yellow Water Lily pads {Nuphar lutea} Welder Wildlife Refuge, Sinton, Texas, USA.

Rolf Nussbaumer / Yellow water lillies {Nuphar lutea} in bloom on lake, Welder Wildlife Refuge, Sinton, Texas, USA.

Tim Fitzharris / Fallen autumn colored Aspen leaves on the ground covered in dew droplets, Colorado

Sue Daly / Yellow cave coral {Leptosammia pruvoti} off Sark, Channel Isles, UK

Sue Daly / Yellow cave coral {Leptosammia pruvoti} off Sark, Channel Isles, UK

Richard Du Toit / Juvenile Yellow billed stork bathing {Mycteria ibis} Moremi WR, Botswana

Markus Varesvuo / Great Northern Diver (Gavia adamsii) Iceland, June

Juan Carlos Munoz / Melting ice on Jokulsarlon beach. Southern Iceland, Europe, November 2012.

Fergus Gill / 2020VISION / Close up of a Whooper swan (Cygnus cygnus) on Hogganfield Loch, Glasgow, Scotland, UK, February.

Niall Benvie / Abstract reflections on water. Scotland.

Nick Upton / Atlantic Yellow legged gull (Larus michahellis) with a young chick on sandstone cliff nest site with tourists on the beach in the background, Praia da Rocha, Algarve, Portugal, June.

Nick Upton / Atlantic Yellow legged gull (Larus michahellis) calling as it stands on sandstone cliff nest site near its chick with a wave washed beach in the background, Praia da Rocha, Algarve, Portugal, June.

Wild Wonders of Europe / Widstrand / Yellow water lilies (Nuphar lutea) lily pads on surface, Danube delta rewilding area, Romania

Wild Wonders of Europe / Widstrand / Yellow water lilies (Nuphar lutea) lily pads on surface, Danube delta rewilding area, Romania

Wild Wonders of Europe / Widstrand / Yellow water lilies (Nuphar lutea) on river surface, Danube delta rewilding area, Romania

Ross Hoddinott / Sea and stones at Porth Nanven beach, with rising tide at sunset, The Cot Valley, near Cape Cornwall, West Cornwall, UK. September 2012.

Marie Read / Yellow-footed Gull (Larus livens) with its fish prey by water. Salton Sea National Wildlife Refuge, California, USA, October.

Christophe Courteau / Yellow-eyed Saddle-Billed Stork (Ephippiorhynchus senegalensis) female in the Okavango Delta Wetlands, Botswana

Christophe Courteau / Yellow billed Stork fishing in shallow water (Mycteria ibis) Okavango Delta, BOTSWANA

Hanne & Jens Eriksen / Sykes's wagtail (Motacilla flava beema) at water, Oman, February

Enrique Lopez-Tapia / Alpine / Yellow-billed chough (Pyrrhocorax graculus) flies over the turquoise waters of the sacred Dudh Pokhari Lake (4.800m), Gokyo, Sagarmatha National Park (World Heritage UNESCO), Khumbu / Everest...

David Pattyn / Yellow flag iris (Iris pseudacorus) in a lake, Texel Island, Wadden Sea, The Netherlands June

Tui De Roy / Yellow warbler (Dendroica petechia) female in shoreline manzanillo tree just after bathing in sea water, Playa Ochoa, San Cristobal Island, Galapagos Islands, Ecuador, June.

Sandra Bartocha / Water patterns and leaves in stream, Markische Schweiz Nature park, Germany, October