David Tipling / Black Drongo (Dicrurus macrocercus) in flight, Bharatpur, India.

Orsolya Haarberg / Elk (Alces alces) bull, standing in dense woodland undergrowth, Sarek National Park, World Heritage Laponia, Swedish Lapland, Sweden. September.

Orsolya Haarberg / Semi-domesticated Reindeer (Rangifer tarandus) grazing in snow-covered landscape, Sarek National Park, Laponia World Heritage Site, Swedish Lapland, Sweden. December.

Orsolya Haarberg / Wolverine (Gulo gulo), running across mountain landscape, Padjelanta National Park, Laponia World Heritage Site, Swedish Lapland, Sweden. June.

Orsolya Haarberg / Elk (Alces alces) male, resting int he forest, Sarek National Park. World Heritage Laponia, Swedish Lapland, Sweden. September.

Alex Mustard / Oceanic manta ray (Mobula birostris) accompanied by three Black jacks (Caranx lugubris) silhouetted, Revillagigedo Islands, Mexico, Pacific Ocean.

Uri Golman / Mountain gorilla (Gorilla beringei beringei) female, Virunga National Park, Democratic Republic of Congo. October.

Uri Golman / close up of a Mountain gorilla (Gorilla beringei beringei) juvenile, Virunga National Park, Democratic Republic of Congo. October.

Jiri Lochman / Northern brown bandicoot (Isoodon macrourus) digging for food, Kakadu National Park, Australia.

Enrique Lopez-Tapia / Saltwater crocodile (Crocodylus porosus) in wetland, tourist photographing in foreground. Kakadu National Park, Northern Territory, Australia. 2008.

Staffan Widstrand / Wild Wonders of China / Kiang (Equus kiang) running through steppe. Hoh Xil Nature Reserve, Tibetan plateau, Qinghai, China. October.

Staffan Widstrand / Wild Wonders of China / Wild yak (Bos mutu) walking through snow covered steppe. Hoh Xil Nature Reserve, Tibetan plateau, Qinghai, China. October.