Bence Mate / Dying Common frogs (Rana temporaria) with their legs removed for food, left to die in their breeding pool surrounded by frogspawn. Covasna, Romania. Highly commended in the Wildlife Photojournalism Ca...

Andres M. Dominguez/ BIA / Common Tern (Sterna hirundo) flying with fish prey, Danube Delta, Romania

Guy Edwardes / Marsh Frog (Pelophylax ridibundus) vocalising with bokeh effect in the background, Danube Wetlands, Bulgaria

Guy Edwardes / Marsh Frog (Pelophylax ridibundus) vocalising with bokeh effect in the background, Danube Wetlands, Bulgaria

Loic Poidevin / Golden jackal (Canis aureus) portrait. Danube Delta, Romania, May.

Bence Mate / Close up of Dalmatian pelican (Pelecanus crispus) preening, Danube Delta, Romania

Orsolya Haarberg / Snow covered Norway spruce (Picea abies) forest on Mount Harghita Madaras, Carpathian Mountains, Transylvania, Romania, January 2015.

Orsolya Haarberg / Norway spruce (Picea abies) trees covered in snow, Ciuc Mountains, Transylvania, Romania, January 2015.

Erlend Haarberg / Frost covered European beech tree (Fagus sylvatica) in a snow covered field framed by frosty branches, Calonda, Harghita County, Transylvania, Romania, January.

Wild Wonders of Europe / Lundgren / European sturgeon (Huso huso) captive at Danube Delta Eco-Tourism Museum Centre aquarium in Tulcea, Danube Delta, Romania, June. Critically endangered.

Wild Wonders of Europe / Lundgren / Pool Frog (Pelophylax lessonae) viewed from below while swimming, underwater around Crisan village, Danube Delta, Romania, June.

Wild Wonders of Europe / Lundgren / Pool frog (Pelophylax lessonae) reflected in waters surface at night, Danube Delta, Romania, June.