A birdseed dispenser and birdfeeder incorporating the same are provided. Thedispenser has a base piece mounted to an opening in the sidewall of thebirdseedreservoir and an apertured piece disposed therein. The apertured pieceincludes afirst seed aperture having a first configuration and a second seed aperture ofa secondand different configuration. The apertured piece is moveable relative to thebasebetween a first orientation, which places the first seed aperture in a seedaccesiblestate permitting birds access to the seed, and a second orientation to placethe secondseed aperture in the seed accessible state. The apertured piece may be a dialthat isrotatable relative to the base and able to dispense both thistle and mixedbirdseed viathe first and second apertures respectively. The invention is also directed toa methodof feeding bird feeder having such a dispenser.