National Nest box Week 2011 runs from 14-21 February Organised by the British Trust for Ornithology (BTO), Britain’s leading bird research charity, NNBW aims to encourage people to put up nest boxes in their local area which will promote and enhance biodiversity and assist with the conservation of our breeding birds and wildlife. As urban and suburban gardens and woods become increasingly ‘tidy’, the natural nest sites on which many of our bird species depend, such as holes in trees […]