Besides leg bands, researchers use flags, streamers, tags, paints, tattoos, dyes, brands, collars, radio tracking devices, microcomputers, and stainless steel darts (with coded tags attached) as well as toe, ear, and tail clipping and various other techniques and devices.
Selain cincin kaki, para peneliti menggunakan bendera, pening, cat, tato, pewarna, cap selar, kerah, radio pelacak, mikrokomputer, dan anak panah antikarat (yang dipasangi label berkode), serta memotong sebagian kecil dari jari, telinga, dan ekor, serta berbagai teknik dan peralatan lain.