Marie Read / Western Grebe (Aechmorphus occidentalis), pair during 'rushing' courtship display in which they run across water's surface in synchrony, near Escondido, California, USA, January.

Piotr Naskrecki / Painted Reed Frog (Hyperolius marmoratus) being eaten by Fishing Spider (Pisauridae), Gorongosa National Park, Mozambique

Bernard Castelein / Deergrass (Scirpus cespitosus) at dawn among Heather (Calluna vulgaris), Groot Schietveld, Wuustwezel, Belgium

Jeff Vanuga / Traffic jam caused by Grizzly bear (Ursus arctos horribilis) mother and cubs crossing road, watched by tourists and photographers, Yellowstone National Park, Wyoming, USA, October 2015.

Frederique Olivier / Adelie penguin (Pygoscelis adeliae) group, Antarctica.

Gavin Hellier / Timelapse of commuters walking through Shibuya Station at rush hour, Shibuya, Tokyo, Honshu, Japan, 2011.

Alex Mustard / Vibrant Red Sea reef scene, with orange female Scalefin anthias (Pseudanthias squamipinnis) swarming in front of Fire coral (Millepora dichotoma) feeding on plankton brought to the reef by currents. R...

Radomir Jakubowski / Marbled white butterfly (Melanargia galathea) on Horsetail (Equisetum), Herbitzheim near Saarbruecken, Saarland, Germany. Finalist in the Macro category and winner of the audience award in the Montpho...

Theo Bosboom,Theo Bosboom / Two pairs of Small spreadwings (Lestes virens) egg depositing in the soft rush in fen, Hondeven, east Holland, August

Michel Roggo / Sockeye / Red Salmon (Oncorhynchus nerka) on spawning migration. Adams River, British Columbia, Canada, October.

Ann & Steve Toon / Malachite kingfisher (Alcedo cristata) perched on rush, Intaka Island, Cape Town, South Africa, February

Wild Wonders of Europe / Maitland / Round headed club rush (Scirpus holoschoenus) with Heath fritillary butterfly (Melitaea athalia) and Niobe fritillary butterfly (Argynnis niobe var eris) Stenje region, Galicica National Park, Macedon...

Wild Wonders of Europe / Radisics / Flowering rush (Butomus umbellatus) flowers, Hortobagy National Park, Hungary, July 2009

Wild Wonders of Europe / Nill / Common tree frog (Hyla arborea) on flowering Rush (Butomus umbellatus) Bulgaria, May 2008. WWE INDOOR EXHIBITION

David Noton / Rush hour traffic. M32, Bristol, England, UK, Europe

Bernard Castelein / Deergrass (Trichophorum cespitosum) amongst Cross-leaved heath (Erica tetralix), heathland at dawn. Groot Schietveld, Wuustwezel, Belgium. June 2015.

Nigel Cattlin / Field woodrush (Luzula campestris) flower spike. Berkshire, England, UK. April.

David Woodfall / London buses at standstill on bridge during Extinction Rebellion climate change demonstration when five main bridges across River Thames were blocked by protestors. .17 November 2019.

David Woodfall / London buses at standstill on bridge during Extinction Rebellion climate change demonstration when five main bridges across River Thames were blocked by protestors.17 November 2019.

Oscar Dewhurst / Many-coloured rush tyrant (Tachuris rubrigastra) perched on reed stem at the water's edge. Lake Titicaca, Puno, Peru. September. Cropped

Heather Angel / Flowering rush (Butomus umbellatus), drops of nectar fluorescing in UV light. Surrey, England, UK. Focus stacked.

Heather Angel / Flowering rush (Butomus umbellatus) with stamens and stigma, nectar globules at base of carpels. Surrey, England, UK. Focus stacked.

SCOTLAND: The Big Picture / Light trails from car lights, evening rush hour in Glasgow city centre. Scotland, UK.

SCOTLAND: The Big Picture / Evening rush hour with trails from car lights, long exposure. Charing Cross, Glasgow, Scotland, UK.

Nick Upton / Common snipe (Gallinago gallinago) well camouflaged among old rush stems in flooded marshland, Greylake RSPB reserve, Somerset Levels, UK, February.

Kerstin Hinze / Northern birch mouse (Sicista betulina) climbing on Great wood-rush (Luzula sylvatica). Bavarian Forest National Park, Bavaria, Germany. August.

Ashley Cooper / Base jumpers wearing wing suites jumping from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Base jumpers wearing wing suites jumping from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Base jumpers wearing wing suites jumping from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Base jumpers wearing wing suites jumping from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Base jumpers wearing wing suites preparing to jump from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Climbers on the Cosmiques Arete, climbing the ladder to access the cable car station, and a base jumper in a wing suite flying past. Mont Blanc from the Aiguille Du Midi above Chamonix, France, Septem...

Ashley Cooper / New glass cage drop experience on the Aiguille Du Midi above Chamonix, France. September 2014

Ashley Cooper / Climber i on Sgurr Alasdair on the Cuillin Ridge, Isle of Skye, Scotland. March 2006

Ashley Cooper / Traffic congestion on the M1 motorway at Loughborough, with a plane coming into land at East Midlands Airport. August 2005

Ashley Cooper / Traffic on Highway 63 through boreal forest, Alberta, Canada, August.

Ashley Cooper / Rush hour traffic on the M60 motorway near Manchester UK. January 2007

Ashley Cooper / Cars driving on the M1 motorway, near Loughborough in evening fog. England, UK, December 2006

Ashley Cooper / Newly refurbished Kings Cross railway Station, London, England, UK. April.

Kerstin Hinze / Jumping spider (Heliophanus dampfi), climbing up a rush (Juncus sp), Bavarian Forest National Park, Bavaria, Germany

Ross Hoddinott / Blue-tailed damselfly (Ischnura elegans), male on Common horsetail (Equisetum arvense), Cornwall, UK. June.

Rod Williams / Hoverfly (Parhelophilus frutetorum) female on typical bull rush habitat Sutcliffe Park Nature Reserve, Eltham, London, England, UK. May.

Gavin Hellier / Timelapse of the sun setting at the end of a street at rush hour, Taipei, Taiwan, March 2018. Hellier

Nick Upton / Field wood-rush (Luzula campestris) flowering in grassland, Mendip Hills, Somerset, UK, April.

Chris Gomersall / Snow bunting (Plectrophenax nivalis) female in snowy landscape, feeding on seeds of rush. Cairngorms National Park, Scotland. February

Sandra Bartocha / Wood horsetail (Equisetum sylvaticum) and Haircap moss (Polytrichum) Lentiira, Finland, September.

Sandra Bartocha / Wood horsetail (Equisetum sylvaticum) with bokeh sunset light, Grythyttan, Sweden, June.

Gabriel Rojo / Many-colored rush tyrant (Tachuris rubrigastra) La Pampa, Argentina

Michel Roggo / Horsetails (Equisetum) Jiuzhaigou National Park, Jiuzhaigou Valley Scenic and Historic Interest Area UNESCO World Heritage Site, Sichuan, China. May 2013. Photographed for The Freshwater Project

Agustin Esmoris / Many-colored Rush Tyrant (Tachuris rubrigastra), Bahia Blanca, Argentina

Orsolya Haarberg / Water Horsetails (Equisetum fluviatile) reflected in water, Femundsmarka National Park, Norway.

Orsolya Haarberg / Water horsetail (Equisetum fluviatile) in the Femundsmarka National Park, Norway.

Nick Upton / Common snipe (Gallinago gallinago) well camouflaged among old Rush stems as it wades in flooded marshland while foraging, Greylake RSPB reserve, Somerset Levels, UK, February.

SCOTLAND: The Big Picture / Rushes reflected in water at dawn, Scotland, UK, September.

SCOTLAND: The Big Picture / Rushes reflected in water at dawn, Scotland, UK, September.

Nick Upton / Dense stand of Great horsetail (Equisteum telmateia) spore cones emerging from canal bank, Bathampton, Bath and northeast Somerset, UK, March.

Nick Upton / Stand of Great horsetail (Equisteum telmateia) spore cones emerging from canal bank, Bathampton, Bath and northeast Somerset, UK, March.

Nick Upton / Stand of Great horsetail (Equisteum telmateia) spore cones emerging from canal bank, Bathampton, Bath and northeast Somerset, UK, March.

Kim Taylor / Emerald damselfly (Lestes sponsa) on Common rush (Juncus species). Surrey, England, UK, September.

Solvin Zankl / Mostly in the night, when the sand cooles down the hatchlings (Hawksbill) struggle to the surface of the sand and rush to the sea all at once. Here you can see the depression where they came out and t...

MYN / Dirk Funhoff / Great horsetail (Equisetum telmateia), Büchelberg, Pfalz, Germany. September. Meetyourneighbours.net project

MYN / Dirk Funhoff / Great horsetail (Equisetum telmateia), Büchelberg, Pfalz, Germany. September. Meetyourneighbours.net project

SCOTLAND: The Big Picture / Mosiac of heather, bilberry, rushes and grasses on upland heath, Cairngorms National Park, Scotland, UK, August 2013.

SCOTLAND: The Big Picture / Mosiac of heather, bilberry and rush on upland heath, Cairngorms National Park, Scotland, UK, August.

Peter Lewis / Waterloo Station London crowded at rush hour London, UK, November 2014.

Bernard Castelein / Heather (Calluna vulgaris) and Deergrass (Scirpus cespitosus), Groot Schietveld, Wuustwezel, Belgium September

Cyril Ruoso / Horsetails (Equisetum laevigatum) underwater, Conboy Lake National Wildlife Refuge, Washington, USA. March.

Stephen Dalton / Horsetail (Equisetum palustre) young shoots Sussex, UK

Alex Hyde / Raft Spider (Dolomedes fimbriatus) female resting on the surface of a moorland pool among stems of Horsetail (Equisetum sp.). Nordtirol, Austrian Alps, June.

Graham Eaton / Llyn Cwmorthin, with Common horsetail (Equisetum arvense) Tanygrisiau, Wales, February 2014

Graham Eaton / Common Horsetail (Equisetum arvense) growing on the Llyn Peninsular coast, near Nefyn, North Wales

Franco Banfi / Shoal of Bigeye trevally (Caranx sexfasciatus) Tulamben, Bali Island, Indonesia, Pacific Ocean

Colin Varndell / Stem of Great horsetail (Equisetum telmateia) in spring. Dorset, UK April.

Constantinos Petrinos / Congestion of tourist safari cars, at crossing spots along the Mara River during the great migration season. Masai Mara National Reserve, Kenya, Africa, August 2012.

Constantinos Petrinos / Congestion of tourist safari cars, at crossing spots along the Mara River during the great migration season. Masai Mara National Reserve, Kenya, Africa, August 2012.

Constantinos Petrinos / Congestion of tourist safari cars, at crossing spots along the Mara River during the great migration season. Masai Mara National Reserve, Kenya, Africa, August 2012

Constantinos Petrinos / Congestion of game drive cars at one of the popular river crossing spots along the Mara River during the great migration season. In the photo, zebras (Equus quagga) are running and crossing the Mara r...

Bernard Castelein / Deergrass (Scirpus cespitosus) growing between Cross-leaved heath (Erica tetralix) flowers at dawn, Groot Schietveld, Wuustwezel, Belgium, June.

Bernard Castelein / Deergrass (Scirpus cespitosus) growing between Cross-leaved heath (Erica tetralix) flowers at dawn, Groot Schietveld, Wuustwezel, Belgium, June.

Bernard Castelein / Field horsetail (Equisetum arvense) fertile shoots, Brasschaat, Belgium, April.

MYN / Corne van der Linden / Preiss' mat rush (Lomandra preissii) flowers, both purple and green flowered variants.

Martin Gabriel / Marsh in mist, Po Delta, Italy, November.

Nick Upton / White beak-sedge (Rhynchospora alba) clump flowering in a boggy pool, Stoborough Heath, Dorset, UK, July.

Nick Upton / White beak-sedge (Rhynchospora alba) clump flowering in a boggy pool, Stoborough Heath, Dorset, UK, July.

Nick Upton / Common Club-rush (Schoenoplectus lacustris) flowering in a small stream, Winfrith Heath, Dorset, UK, July.

Ernie Janes / Five bar farm gate with Bird foot trefoil (Lotus corniculatus), Bramble (Rubus sp) and Horsetails (Equisetum) Norfolk, England, UK. July.

Nick Upton / Marsh horsetail (Equisteum palustre) with spore cones growing on marshy ground around a pond, Cornwall, UK, April.

Marcos Baumann / Many-colored Rush Tyrant (Tachuris rubrigastra), Santiago, Chile

Marcos Baumann / Many-colored Rush Tyrant (Tachuris rubrigastra), Santiago, Chile

Willem Kolvoort / Flowering rush (Butomus umbellatus) in flower, Naardermeer, Holland. August.

Chris Mattison / Water Horsetail / Swamp Horsetail (Equisetum fluvatile) Sierra Nevada, California, USA, May.

Agustin Esmoris / Many-colored Rush Tyrant (Tachuris rubrigastra), Buenos Aires, Argentina

Chris Mattison / Great horsetail (Equisetum telmateia) fertile frond, Derbyshire, UK. April.

Gavin Hellier / Timelapse of commuters entering and exiting trains at Shibuya Station at rush hour, Shibuya, Tokyo, Honshu, Japan, 2011.

Alex Mustard / School of Bohar snappers (Lutjanus bohar) Shark Reef, Ras Mohammed Marine Park, Sinai, Egypt. Red Sea.