I have a renegade bunch of blue jays vandalizing my shed. they land on the frame work and peck away at the wood. the wood is simple press board with white paint on it, and although I have lived here for 5 years, they have never done this before.
I have a feeder that I have always kept full on the other side of my yard, but this bothers me since
1) I don't know if it is harmful to them, and
2) I now need to replace doors and trim on the shed.