A tube bird feeder comprising a seed tube having a side wall and at least one feed opening in the side wall, a top ring mounted on a top marginal edge of the seed tube, a cover removably engaged with the top ring, at least one perch mounted on the seed tube proximate the feed opening, and a base member removably secured to the seed tube adjacent the bottom marginal edge, the base portion having a protrusion engaging with an aperture in the seed tube proximate the bottom marginal edge.