There are presently seven wolves in the park wearing collars that allow researchers to determine location information with a Global Positioning System (GPS) receiver. The data is collected once per day and then uploaded through a satellite. While this method provides no information on wolf behavior, pack sizes, or pup production, it does provide enough location points to accurately depict a pack’s territory. By comparing conventional telemetry (locations from aircraft) with daily GPS locations, we see that the larger numbers of locations obtained from GPS collars result in significantly larger estimates of territory size. Combined with periodic flights for visual observations of packs, GPS collars have the potential to provide much more complete data on wolf movements.