# Endangered and Threatened Wildlife and Plants; Revision to the Regulations for the Nonessential Experimental Population of the Mexican Wolf
> **US Fish and Wildlife Service** · Final rule. · Published 2015-01-16 · Effective 2015-02-17 · 80 FR 2512
## Document
- **Document number:** 2015-00436
- **Category:** endangered-species
- **Sub-agency:** US Fish and Wildlife Service
- **Federal Register citation:** 80 FR 2512
- **CFR reference:** 50 CFR 17
- **Publication date:** 2015-01-16
- **Effective date:** 2015-02-17
- **Interior docket:** Docket No. FWS-R2-ES-2013-0056
## Abstract

We, the U.S. Fish and Wildlife Service (Service), revise the regulations for the nonessential experimental population of the Mexican wolf (Canis lupus baileyi) under section 10(j) of the Endangered Species Act of 1973, as amended. This action is being taken in coordination with our final rule in this Federal Register to list the Mexican wolf as an endangered subspecies. The regulatory revisions in this rule will improve the project to reintroduce a nonessential experimental population, thereby increasing potential for recovery of this species.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2015/01/16/2015-00436/endangered-and-threatened-wildlife-and-plants-revision-to-the-regulations-for-the-nonessential)
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