Upside-down suet feeders discourage starlings and grackles ... Related: 22 Beautiful Garden Plans for Attracting Birds and Butterflies Suet stays fresh for quite a while during cold weather ...
An upside-down suet feeder, in which the suet can be eaten only from underneath, is also a good choice to deter starlings and grackles. It keeps starlings off while giving nuthatches and other ...