Bird, primarily pigeons and gulls, spend significant time on peaked or flat roofs.
Light to medium
Birds are social creatures. They typically do not live on roofs, but the do relax there during the day between meals, socializing and digesting.
It is important to do an accurate assessment, counting the numbers of birds and when they are there.
If birds are nesting on the flat roofs (primarily gulls), consult with your local Fish & Game. The gulls nests are protected, and the gulls may become aggressive as you approach their nests.