This songcard will only work with the Birdsong IdentiFlyer™, available from For the Birds at www.identiflyer.com . Insert card into the device  and use the selection buttons to hear the songs of the birds listed. Card features the Gambel’s quail, gilded flicker, white-winged dove, vermillion flycatcher, greater roadrunner, Bell’s vireo, elf owl, verdin, gila woodpecker, and cactus wren.