Throw things at them.
How to stop crows pecking at roof.
Decoys placing fake predators like owls and hawks on your roof is a clever way to trick birds into staying away.
Destroy the nest if birds are flocking to your home there might be a nest somewhere either on or inside your roof or chimney.
To get rid of crows for a while try these easy methods.
Crows and purple martins are not friends.
Not sure if these things will work for birds in general but they work to keep pigeons from roosting in eaves on roofs etc.
Spraying the crows with water and.
So put up a purple martin house.
Not only will they repel crows they re also very pretty birds.
Because crows have a nasty habit of eating eggs and nestlings purple martins have developed a habit of banding together and chasing crows out of the vicinity of their homes.
Or you can keep your existing roof and place a fine mesh over the gravel so the birds cannot access it.
Spray them with water from your hose.
Scare them by shouting and clapping your hands at them.
A built up roofing system bur using a modified bitumen layer as the top layer or cap sheet will not attract gravel nesting birds.
People keep them away with large plastic owls plastic snakes and pigeon stakes which are plastic spikey strips that prevent them from landing roosting in specific areas.