Koenig, A.A.KoenigScholz, P.P.ScholzBaumann, F.F.BaumannVölkle, D.D.Völkle2022-03-082022-03-081996https://publica.fraunhofer.de/handle/publica/303380A leg ring sleeve made of plastic for the identification of wild animals, in particular birds, has an identification and can be brought from an open position in the circumferential direction to a closed position. In order to create a leg ring sleeve which cannot be removed without it being destroyed, said leg ring sleeve having only low intrinsic tensions in its mounted state consists of two partly shell-like sleeve parts which are joined to form the leg ring sleeve and can be secured together. Preferably, the sleeve parts latch together.de608660patent1995-19531017