Theo Bosboom / Beech trees (Fagus sylvatica) in autumn, seen from under bubbling brook, the Netherlands, November. Runner up in Creative Visions category of the Wildlife Photographer of the Year 2013 competition
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Gerrit Vyn / Ruddy Duck (Oxyura jamaicensis) male in breeding plumage performing a "bubbling display"which is used in both courtship and aggressive territorial encounters. The male holds its head and tail and 2 ro...
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Sergey Gorshkov / Bubbling geothermal mud pool, Kamchatka, Russia
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Nick Upton / Flesh fly (Sarcophaga sp.) "bubbling" regurgitated stomach contents in order to increase the concentration of its food by evaporating excessive water content. Wiltshire, UK, September.
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Nick Upton / Flesh fly (Sarcophaga sp.) "bubbling" regurgitated stomach contents in order to increase the concentration of its food by evaporating excessive water content. Wiltshire, UK, September.
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Ashley Cooper / Fumaroles emitting steam in the geothermal area of Hverir near Myvatn, northern Iceland, September 2010.
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Ashley Cooper / Bubbling mud pools in the geothermal area of Hverir near Myvatn, Northern Iceland. September.
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Oliver Hellowell / Bubbling water in fountain at Tretower Court, near Crickhowell, Powys, Wales, UK. July
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Jen Guyton / Bubbling kassina (Kassina senegalensis) on white background, Greater Gorongosa Ecosystem, Mozambique. Controlled conditions.
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Doug Perrine / Molten lava boiling in a lava lake in a pit below the crater floor of Halemaumau Crater, Kilauea Volcano, Hawaii. May 2015.
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Merryn Thomas / Women dying wool in Planeterra-supported women's weaving project, Huchuy Qosco indigenous village, Sacred Valley, Peru. December 2013.
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Eric Baccega / Nenet woman checking water for tea, inside tent. Yar-Sale district. Yamal, Northwest Siberia, Russia. April 2016.
