Photograph of Radio-collared wolf. Radio-collared wolves are aerially tracked and the numbers of their packmates are counted annually
![Photo of radio-collared wolf.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/25.Mech_graphic_Superior_National_Forest_Wolves.jpg?itok=ASVCGoMf)
Detailed Description
Photograph of Radio-collared wolf. Radio-collared wolves are aerially tracked and the numbers of their packmates are counted annually
Sources/Usage
Public Domain.