Volunteers must be U.S. citizens 18 years of age or older with valid identification; be able to purchase and pass a background investigation; have no criminal or wildlife violations; self-certify a high level of physical fitness ability; have a firearm safety certification and pass a marksmanship proficiency test; provide equipment; be available for the entirety of one of the assigned lethal removal operational periods; and meet additional requirements listed on the NPS FAQ page and application.
<https://www.foxnews.com/us/national-park-service-volunteers-kill-bison-grand-canyon>
<https://www.foxnews.com/us/national-park-service-volunteers-kill-bison-grand-canyon>
