With the amount of animals being poached in South Africa plus the reasons given below, tracing collars are fairly common in our wildlife areas. Not only do they tell us where the animal is, but many of our game reserves are surrounds by human habitation and should one get out, it would be easy to find. The animals I have seen seem to get used to having this on and it does not inhibit their lifestyle at all.
Info: http://en.wikipedia.org/wiki/GPS_wildlife_tracking
.jpg)
.jpg)

