Specifications include, but are not limited to: GPS collar specific to bighorn rams capable of collecting a minimum of 4 locations per day with battery life lasting a minimum of 36 months with a built-in mortality sensor. Collar may collect and store on-board additional GPS locations. GPS data will be available real-time via Iridium network and accessible via web-based data portal. GPS radiocollar capable of collecting a minimum of 4 locations per day with battery life lasting 36 months with a built-in mortality sensor. Collar may collect and store on-board additional GPS locations. GPS data will be available real-time via Iridium network and accessible via web-based data portal. GPS radiocollar capable of collecting a minimum of 6 locations per day with battery life lasting ≥ 36 months with a built-in mortality sensor. Tier 3 Radio-collars will be capable of collecting and transmitting information from nearby UHF-enabled devices. Required connected devices include Vaginal Implants Transmitters, Mortality Implant Transmitters, and Neonate Collars. Data will be available real-time via Iridium network and accessible via web-based data portal. Additionally, users will be able to download data using an Application Programming Interface (API) independent of the web portal or manufacturer software.