Squirrel-proof bird feeder

A bird feeder attachment for deterring squirrels, said feeder comprising an elongated generally tubular seed container having at least one opening for dispensing seed therethrough, said attachment comprising a pair of spaced detachable collars extending around the periphery of said container, said collars being spaced a sufficient distance so as to be bridged only by a substantial portion of said squirrel's body, a control module detachably secured to said container at one end thereof, a power conduit interconnecting said collars and said control module, means for generating high voltage pulses from said control module to said collars, said collars comprising a pair of wire assemblies extending around the outer surface of said collars respectively and connected to said power conduit, and multiple protruding bars extending outwardly from said wire assemblies.