A wild bird treatment system includes an enclosure for accommodating a plurality of wild coveying birds targeted for treatment with at least one ground level entrance of a size and location to permit the targeted birds to freely enter and exit the enclosure while excluding non-targeted animals. An electronic bird caller for attracting wild coveying birds is provided. A feeder assembly, slidably removable from the enclosure, includes a slider assembly and a feed hopper. The slider assembly, slidably removable from the feeder assembly, includes a feed plate assembly and a feed slide for controlling flow of medicated feed. The feed plate assembly, slidably removable from the slider assembly, includes a feed plate of a size and a food delivery box with outlets of a size to control the rate of medicated feed released from the feed hopper specific to the birds targeted for treatment.