Owls,听tropical birds and all kinds of unusual and rare birds have all been recorded in back gardens throughout the UK. See some of our nest box builders in action: The aim of the 听91热爆 Nest Box Challenge is to compile the largest ever survey into the diversity of birds in our gardens. A garden bird watch survey has been running for the past ten years and this year, with your help,听we want to help to make it the most comprehensive yet. 91热爆 Cornwall Nest Box Challenge Event On Sunday 18 February 91热爆 Cornwall is holding a Nest Box Challenge event at the Duchy of Cornwall Nursery in Lostwithiel from 0900 to 1200.
 | | Blue Tits by Mike Read - RSPB |
91热爆 Radio Cornwall's Tim Hubbard will be broadcasting his Sunday programme live from the event where plants experts Tracy Wilson, who is the Manager of the nursery, John Harris and Nigel Pascoe will be giving advice on where to site the boxes and the best garden and other planting to attract birds.听 There will be RSPB bird expert, Dave Flumm on hand and David Hunter from the Lost Gardens of Heligan will explain how their bird box (and bat box and owl box) operations work. Community Producer Nina Davey and her volunteers will also be giving away 200 sparrow sized nest boxes at the Duchy Nursery along with instructions as to how to put them together.听 Over the next few weeks we'll have more information on how to claim your free bird box. | 
