Daniel Heuclin / Sand Viper (Cerastes vipera) in shade of grass, Erg Chigaga, Morocco

Konstantin Mikhailov / Western red cedar tree (Thuja plicata) trunks with moss and fungi, inland temperate rainforest of Olympic National Park, Washington, USA, Western North America, January.

Michel Poinsignon / River view between Leon pond and Atlantic ocean, Courant D'Huchet Landes, France, August 2010.

Juergen Freund / Black-headed python (Aspidites melanocephalus) perched on a tree branch overlooking the Australian outback. Queensland, Australia, February

Jouan & Rius / Palm trees (Licuala valida) in swamp forest, Lambir NP, Borneo, Sarawak, Malaysia

Jouan & Rius / View up through Palm trees in swamp forest, Borneo, Sarawak, Malaysia

Petra Wegner / Four British Shorthair kittens, two silver-shaded and two golden-mackerel-tabby, sitting on stand

Petra Wegner / British Shorthair Cat, kitten, silver-shaded, sleeping

Petra Wegner / Two British Shorthair kittens, one silver-shaded and one golden-mackerel-tabby, lying on stand

Steven David Miller / Subtropical rainforest growing in a creek gully, while at higher levels a mixed forest begins. Fraser Island, Queensland, Australia

Alan Watson / Frond pattern of tree ferns (Cyathea arborea) in lowland tropical rainforest at 420 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic.

John Waters / Banded Mongoose (Mungos mungo) group resting together in shade during heat of mid-day, Mweya Lodge, Queen Elizabeth National Park, Uganda, E. Africa