Squirrel Buster Standard Squirrel-proof Bird Feeder w/4 Metal Perches, 1.3-pound Seed Capacity

HI there, anybody knows if woodpecker uses this feeder? Thank you! And do doves use it ? I don't want doves. Thank you!

Can I put anykind of bird food in this feeder

How many small birds may feed at one time?

Does this feeder keep away Starlings?