In the two years since the Grand Canyon approved a plan to reduce the number of bison roaming in the national park, the herd has only grown in size.
Grand Canyon to make second run at corralling bison herd
- PhysOrg
- 2. 9 2019 (19:33)
In the two years since the Grand Canyon approved a plan to reduce the number of bison roaming in the national park, the herd has only grown in size.