Marie Read / Arctic terns (Sterna paradisaea), two in flight over nesting colony in field of buttercups (Ranunculus sp.), Keflavik, Iceland. Digital canvas expansion.

Nick Upton / Eurasian beaver (Castor fiber) feeding on grass amongst Meadow buttercups (Ranunculus acris) near a pond in a large enclosure, Devon, England, UK, June. Captive.

Roland Seitre / Przewalski's horse (Equus ferus przewalskii) grazing in buttercups, Parc de la Haute Touche, Obterre, France. May. Captive, occurs in Central Asia.

Andrew Parkinson / Red Fox (Vulpes vulpes) in meadow of buttercups. Derbyshire, UK, June. British Wildlife Photographer of the Year (BWPA) competition 2012, 'Outdoor Photography editor's choice' category. (Non-ex)

Sandra Bartocha / Common Hepatica (Anenome hepatica) Stadtkreis Neubrandenburg, Mecklenburg-Vorpommern, Germany, March

Sandra Bartocha / Common Hepatica (Anenome hepatica) flowers, Mecklenburg-Vorpommern, Germay, April

Colin Varndell / Male Common pheasant ( Phasianus colchicus) in meadow full of buttercups, Dorset, UK, June

Wild Wonders of Europe / Lilja / Olive trees surrounded with flowering yellow Bermuda buttercups (Oxalis pes caprae) Kaplika, Northern Cyprus, April 2009

Wild Wonders of Europe / Lilja / Olive trees surrounded by yellow Bermuda buttercups (Oxalis pes caprae) Kaplika, Northern Cyprus, April 2009

Wild Wonders of Europe / Giesbers / Wood cranesbill (Geranium sylvaticum) and Buttercups (Ranunculus breyninus) flowering with the Grauspitz (2,599m) in the distance, Liechtenstein, June 2009

Wild Wonders of Europe / Giesbers / Flowering Buttercups (Ranunculus breyninus) and Alpine forget-me-not (Myosotis asiatica) with the Grauspitz (2,599m) in the distance, the highest mountain in Liechtenstein, June 2009

Wild Wonders of Europe / Wothe / Flowering meadow with Thistles (Cirsium rivulare) and Buttercups (Ranunculus acris) Poloniny National Park, Western Carpathians, Eastern Slovakia, Europe, June 2009