Oscar Dewhurst / Hoatzin (Ophisthocomus hoazin) perched on wooden bar overlooking oxbow lake. Manu National Park, Madre de Dios, Peru. September

Nigel Cattlin / Eggs of Golden apple snail / Channelled apple snail (Pomacea caniculata) in a Rice (Oryza sativa) paddy, Luzon, Philippines

Dave Bevan / Male Great spotted woodpecker (Dendrocopos major) descending down a wooden electricity pole, Carmarthenshire, Wales, UK, June.

Eric Baccega / Giant panda (Ailuropoda melanoleuca) cub playing on wooden structure. Yuan Meng, first giant panda ever born in France, age 10 months, Captive at Beauval Zoo, Saint Aignan sur Cher, France

Eric Baccega / Giant panda (Ailuropoda melanoleuca) cub playing on wooden structure. Yuan Meng, first giant panda ever born in France, age 10 months, Captive at Beauval Zoo, Saint Aignan sur Cher, France

Ingo Arndt / Bark beetle (Scolytinae) galleries in dead spruce tree (Picea abies), Bayerischer Wald / Bavarian Forest National Park, Germany., June.

Ingo Arndt / Caddisfly (Limnephilus sp.) case built of sticks, wood fragments, seeds, snail shells and plant stems, Germany, November.

Ingo Arndt / Vogelkop bowerbird (Amblyornis inornatus) decoration material (blue rotten wood) collected in order to attract females to his bower, Arfak Mountains, Irian Jaya, New Guinea, Indonesia.

Juan Carlos Munoz / Pieces of petrified trees / wood, Petrified Forest National Park, Arizona, USA, February 2015.

Pete Oxford / Kittens resting on beams. These animals are kepts as pets but sometimes eaten in the Apatani Tribe, Ziro Valley, Himalayan Foothills, Arunachal Pradesh, North East India. November 2014.

Staffan Widstrand / Wooden house in Musteika Village, Lithuania, May 2015.

Juan Carlos Munoz / Log piles in alcove outside farm building, Triglav National Park, Trenta Valley, Julian Alps, Bovec, Slovenia, October 2014.