50 C.F.R. § 27.51 Disturbing, injuring, and damaging plants and animals.
Title 50 - Wildlife and Fisheries
(a) Disturbing, injuring, spearing, poisoning, destroying, collecting or attempting to disturb, injure, spear, poison, destroy or collect any plant or animal on any national wildlife refuge is prohibited except by special permit unless otherwise permitted under this subchapter C. (b) [Reserved]
Title 50: Wildlife and Fisheries
PART 27—PROHIBITED ACTS
Subpart E—Disturbing Violations: Against Plants and Animals
§ 27.51 Disturbing, injuring, and damaging plants and animals.

