This creation is a kind of birds foot ring of attached device for identifying, it is the additional one attached link that can accommodate RFID devices (RFID) outside what foot ring, attached link is buckled on foot ring with buckle ear, recessed buckling parts is distinguished at both ends in foot ring, buckling parts is for two buckle ear clips of attached link, and buckle ear does not protrude into the middle through-hole of the foot ring; It uses and reaches attached link to fowl foot not there is a situation where rubbing or squeezing material-saving, and do not interfere the activity of birds foot.本創作係一種附辨識裝置的飛禽腳環,係於腳環外附加一可容置無線射頻辨識裝置(RFID)的附掛環,附掛環以扣耳扣在腳環上,在腳環內兩端分別凹設扣合部,扣合部可供附掛環的二扣耳卡掣,而且扣耳不凸入該腳環的中通孔;藉以達到附掛環對禽腳不發生磨擦或擠壓的情況省料,且不妨礙飛禽腳部的活動。