Andy Rouse / Great crested grebe (Podiceps cristatus cristatus) courtship weed dance, Cardiff, UK, March.
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Andy Rouse / Great crested grebe (Podiceps cristatus cristatus) courtship dance at dawn, Cardiff, UK, March.
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Nick Upton / Mute swan (Cygnus olor) female and a young cygnet foraging in sunset light, Kennet and Avon canal, Caen Hill, Wiltshire, UK, June.
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Claudio Contreras / Morelet's crocodile (Crocodylus moreletii), captive Catemaco Lake, Los Tuxtlas Biosphere Reserve, Mexico, July
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Claudio Contreras / Morelet's crocodile (Crocodylus moreletii) close up of eye under pond weed, captive Catemaco Lake, Los Tuxtlas Biosphere Reserve, Mexico, July
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Eric Medard / European goldfinch (Carduelis carduelis) drinking, France. September.
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Barry Mansell / American alligator (Alligator mississippiensis) in duck weed filled pond, Everglades National Park, South Florida, USA, August.
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Stephen Dalton / Common frog (Rana temporaria) in pondweed, Rookery Wood, Sussex, England, UK. July.
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Steve Downer / Tilt shot of an Emperor dragonfly (Anax imperator) nymph on pond weed, Warwickshire, England, UK, May.
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John Cancalosi / Green frog (Lithobates clamitans) in duckweed, New York, August.
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John Cancalosi / Pickerel frog (Rana palustris) amongst duckweed, Washington DC, USA, August.
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John Cancalosi / Green frog (Lithobates clamitans) amongst duckweed, Washington DC, USA, August.
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John Cancalosi / Green frog (Lithobates clamitans) amongst duckweed at surface, Washington DC, USA, September.
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John Cancalosi / Green frog (Lithobates clamitans) amongst duckweed at surface, Washington DC, USA, September.
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John Cancalosi / Green frog (Lithobates clamitans) amongst duckweed at surface, Washington DC, USA, September.
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John Cancalosi / Green frog (Lithobates clamitans) amongst duckweed at surface, Washington DC, USA, September.
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John Cancalosi / Green frog (Lithobates clamitans) amongst duckweed at surface, Washington DC, USA, August.
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John Cancalosi / Green frog (Lithobates clamitans) amongst duckweed at surface, Washington DC, USA, August.
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Russell Cooper / Common newt / Smooth newt (Triturus vulgaris) male in breeding colouration. South-west London, UK.
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Nick Upton / Derelict dewpond cleared of weeds, mud and rocks by volunteers from the Reptile and Amphibian Group for Somerset and Somerset Wildlife Trust during renovation work to encourage use by Great crested ne...
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Nick Upton / Volunteers from the Reptile and Amphibian Group for Somerset and Somerset Wildlife Trust clearing weeds and mud from an overgrown, derelict dewpond during renovation work to encourage use by Great cre...
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Cyril Ruoso / Frog (Pelophylax sp) in pondweed with mouth wide open, Burgundy, France, May.
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Cyril Ruoso / Frog (Pelophylax sp) in pondweed with mouth wide open, Burgundy, France, May.
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Philippe Clement / Edible frog (Pelophylax esculentus) among duckweed in pond, La Brenne, France, June
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Dong Lei / Yunnan flying frog (Rhacophorus gongshanensis) swimming at night, Gaoligong Mountain National Nature Reserve, Tengchong county, Yunnan Province, China. May.
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David Tipling / Common frog (Rana temporaria) and spawn underwater in pond. West Runton, North Norfolk, England, UK, March.
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John Cancalosi / Leopard frog (Lithobates pipienss) in pond, New York, USA, August.
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John Cancalosi / Leopard frog (Lithobates pipiens) in pond, New York, USA, August.
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John Cancalosi / Leopard frog (Lithobates pipiens) in pondweed, New York, USA, August.
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John Cancalosi / Leopard frog (Lithobates pipiens) covered in pond weed, New York, USA, August.
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John Cancalosi / Leopard frog (Lithobates pipiens) covered in pond weed, New York, USA, August.
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Edwin Giesbers / RF- European edible frog (Rana esculenta) amongst duckweed, the Netherlands.
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Graham Eaton / Grey Heron (Ardea cinerea) in a weedy pond, London, UK, September
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GEORGETTE DOUWMA / Coot (Fulica atra) on pond covered with Common duckweed (Lemna minor) UK
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Adrian Davies / Parrot feather (Myriophyllum aquaticum) cleared from village pond, Prawle, Devon, England. Note large area of the invasive weed still left behind in the pond.
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Adrian Davies / Parrot feather (Myriophyllum aquaticum) cleared from village pond, Prawle, Devon, England. Note large area of the invasive weed still left behind in the pond.
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Adrian Davies / Parrot feather (Myriophyllum aquaticum) cleared from village pond, Prawle, Devon, England. Note large area of the invasive weed still left behind in the pond.
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Adrian Davies / Parrot feather (Myriophyllum aquaticum) cleared from village pond, Prawle, Devon, England. Note large area of the invasive weed still left behind in the pond.
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Willem Kolvoort / Dragonfly larva (Aeshna genus) on weed, garden pond, Holland
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Willem Kolvoort / Marsh snail (Lymnaea palustris) on Perfoliate pondweed (Potamogeton perfoliatus), sand winning pit, Holland
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Willem Kolvoort / Marsh snail (Lymnaea palustris) on Perfoliate pondweed (Potamogeton perfoliatus), sand winning pit, Holland
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Willem Kolvoort / Marsh snail (Lymnaea palustris) on Perfoliate pondweed (Potamogeton perfoliatus), sand winning pit, Holland
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Will Watson / Water fern {Azolla filiculoides} + Duckweed {Lemna minor} cover pond, UK
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Adrian Davies / New Zealand pygmy weed at pond edge {Crassula helmsii} UK - invasive introduction.
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Adrian Davies / New Zealand pygmy weed {Crassula helmsii} UK.
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Rolf Nussbaumer / RF- Rio Grande leopard frog (Rana berlandieri) pair in duckweed. Texas, USA. (This image may be licensed either as rights managed or royalty free.)
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George McCarthy / RF- Grass snake (Natrix natrix), UK. (This image may be licensed either as rights managed or royalty free.)
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Emanuele Biggi / Italian tree frog (Hyla intermedia) male calling amongst vegetation at pond edge, Rome, Italy.
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Ashley Cooper / Common frog (Rana temporaria) in a garden pond covered in Duckweed (Lemna minor), Ambleside, Lake District, Cumbria, UK. February.
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Ashley Cooper / Common frog (Rana temporaria) in a garden pond surrounded by Duckweed (Lemna minor), Ambleside, Lake District, Cumbria, UK. February.
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John Cancalosi / Northern watersnake (Nerodia sipedon) resting on reeds above duckweed covered pond. Maryland, USA. April.
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SCOTLAND: The Big Picture / Pair of Great crested grebe (Podiceps cristatus) performing 'weed dance' courtship display, Scotland, UK. April.
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Michael W. Richards / Mallard (Anas platyrhynchos) ducklings preening and feeding on duckweed in pond, Somerset, UK, July.
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Alex Hyde / Broad-leaved pondweed (Potamogeton natans) growing in moorland pool, with raindrops beading on the hydrophobic surface of the leaves. Peak District National Park, Derbyshire, UK. December.
