Specifications include, but are not limited to: 1.2.1. The intended period of GPS data collection for individual adult bighorn sheep for monitoring and survival is (36 months with a fix rate of six (6) points/day. All collars require the capability of real-time data reporting via satellite data transmission 1.2.2. The interior and edges of the collar must be smooth, and not contain any sharp edges that could chaff or cut into the neck of a bighorn when installed correctly. 1.2.3. All collars shall be constructed of reinforced belting that will not stretch or deteriorate due to solar radiation, precipitation, temperature, or other natural environmental conditions during deployment. 1.2.4. All installed collars shall be secured by two (2) or more safety nuts or mechanism with equivalent or better security.