 The white-throated magpie-jay hybridizes in Jalisco with the black-throated magpie-jay ("C. colliei"), with which it forms a superspecies.There are three recognised subspecies, the nominate race, which is only found in southern Mexico; "C. f. azurea", which is found in south eastern Mexico and western Guatemala, and "C. f. pompata", which runs from south eastern Mexico to Costa Rica.The white-throated magpie-jay is between in length and weighs .