seagulls birds pests environment hygiene health safety outdoor birds seagulls nesting roost

home house property pets pests pest aviary birds seagulls roost roosting nest nesting roof rooftop nuisance architecture victorian capped caps pots chimney stacks stack tiled tiles heating properties outdoor diy animals terra cotta terracotta clay doulton lambeth pipes fireplace cage prohibit safety health living wildlife aerial mast masts signal protection town cities city environment climate fuel solid green energy coal fire stove burner gas oil