|This picture of a grey-headed cha-cha-laca, according to the photographer ‘one of the most boring birds of Costa Rica’, sitting in a cecropia tree, is one of the winners of the Veolia Environment Wildlife Photographer of the Year 2011 Awards. Click here to order 70 x 100 cm photo or canvas prints at The Natural History Museum, London. Photo Chachalacascape Photographer Gregory Basco, USA