Geoff Simpson / Red grouse {Lagopus lagpus scoticus} on rock overlooking moorland Scotland
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Fred Bavendam / Staghorn Coral (Acropora cervicornis) colony with an extensive bleached area at its center, Kimbe Bay, Papua New Guinea
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Tim MacMillan / John Downer Pr / Wallace's gliding frog's extensive foot webbing allows it to glide long distances (Resolution restriction - image digitised from film, 'Weird Nature' tv series)
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Theo Bosboom / Extensive sand patterns created by a peat moor stream that flows into the sea at Luskentyre beach, Lewis and Harris, Scotland
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Jean E. Roche / View of extensive area burnt by fire, Plateau de l'Arbois, Aix-en-Provence, France. September 2003.
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Robert Thompson / Inishtooskert also known as the Sleeping Giant / An Fear Marbh as seen from the Dingle Peninsula at dusk, County Kerry, Republic of Ireland. Inishtooskert holds important seabird colonies and extensiv...
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Nick Upton / Extensive coastal sand dunes, Maspalomas, Gran Canaria UNESCO Biosphere Reserve, Gran Canaria. Canary Islands. May 2016.
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Nick Upton / Female House spider (Tegenaria sp.) with extensive sheet web and two egg sacs, in a toolshed, Cornwall, UK, June.
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Nick Upton / Female House spider (Tegenaria sp.) with extensive sheet web and two egg sacs, in a toolshed, Cornwall, UK, June.
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Nick Upton / Extensive field of pumice stone surrounded by old volcanos, Las Canadas caldera, Teide National Park, Tenerife, May 2014.
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Thomas Marent / Fig (Ficus sp) tree with extensive aerial roots, Arusha National Park, Tanzania
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David Woodfall / Crack Willows (Salix caprea) at dawn in extensive 60 sq mile flooding of Somerset Levels, England, UK, 11th January 2014.