Ovocontrol®, based on nicarbazin, is registered for pigeons. The GnRH-based immunocontraceptive vaccine GonaConTM is registered for white-tailed deer, feral horses, feral donkeys and prairie dogs. The PZP-based immunocontraceptives ZonaStat-H and ZonaStat-D are registered for horses and wild burros (H) and for white-tailed deer (D). ContraPest, based on VDC and triptolide, is registered as an oral contraceptive for Norway rats and roof rats.