Almost everyday pigeons had become apest problem for us, when they roosted on our property. They are not nasty or aggressive birds, however, the main problem they posed was regular damage to the guttering. The solution for us was to use www.birdspikesonline.co.uk (Jones and son) Ordering and delivery was quick and straight forward. We haven't looked back. There was a choice of spikes that were easy to fit, and equally keeps the pigeons off the guttering without harming them. We are so happy with this product.