Alex Mustard / A long exposure renders Bar jacks (Carangoides ruber) as ghostly trails as they swim around a sponge, on a coral reef, at night. East End, Grand Cayman, Cayman Islands. Overall winner of GDT competiti...

Staffan Widstrand / Polar Bear (Ursus maritimus) reflection in water, Svalbard, Norway

Ben Hall / Northern gannets (Morus / Sula bassanus) portrait of individual with a courting pair in foreground, UK, Bass Rock, Scotland, Portrait category winner in the British Wildlife Photography Awards BWPA co...

Sandra Bartocha / Scots Pine trees (Pinus sylvestris) in evening sunlight. January. Specially commended, Creative Visions category, Wildlife Photographer of the Year WPY 2012 competition.

Juan Carlos Munoz / Roseate Spoonbill (Platalea ajaja) in flight. Everglades National Park, Florida, USA, February.

Andrew Parkinson / Black-headed gull (Chroicocephalus ridibundus) adult in winter plumage, taking off at dawn from tranquil lake. (Non-ex) Derbyshire, UK. Highly commended, GDT competition 2012, Nature's studio categor...

Sandra Bartocha / Sea shells in sand, North sea, Germany, September

Sandra Bartocha / Cowslip (Primula veris) flowers, Brandenburger Vorstadt, Potsdam, Germany, April

Sandra Bartocha / Pasque Flower (Pulsatilla pratensis) silhouetted Landkreis Demmin, Mecklenburg-Vorpommern, Germany, April

Sandra Bartocha / Ghost wood - European Beech (Fagus sylvatica), woodland Nienhagen, Germany, April

Sandra Bartocha / Waves of the Baltic sea washing over pebbles creating a rainbow from the spray, Nienhagen, Germany, April

Sandra Bartocha / Sporangia of a moss, in Stadtkreis Neubrandenburg, Mecklenburg-Vorpommern, Germany, March