US - Dogs at Large - Part 2. Resource Protection, Public Use and Recreation. § 2.15 Pets.
Summary: This rule outlines the prohibitions for pets in designated Park Service areas. Pets or feral animals that are running-at-large and observed by an authorized person in the act of killing, injuring or molesting humans, livestock, or wildlife may be destroyed if necessary for public safety or protection of wildlife, livestock, or other park resources. Pets that do not pose a direct risk to wildlife may be impounded.
This rule outlines the prohibitions for pets in designated Park Service areas. Pets or feral animals that are running-at-large and observed by an authorized person in the act of killing, injuring or molesting humans, livestock, or wildlife may be destroyed if necessary for public safety or protection of wildlife, livestock, or other park resources. Pets that do not pose a direct risk to wildlife may be impounded.