# Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the Northern Mexican Gartersnake
> **US Fish and Wildlife Service** · Final rule. · Published 2021-04-28 · Effective 2021-05-28 · 86 FR 22518
## Document
- **Document number:** 2021-07572
- **Category:** endangered-species
- **Sub-agency:** US Fish and Wildlife Service
- **Federal Register citation:** 86 FR 22518
- **CFR reference:** 50 CFR 17
- **Publication date:** 2021-04-28
- **Effective date:** 2021-05-28
- **Interior docket:** Docket No. FWS-R2-ES-2020-0011
## Abstract

We, the U.S. Fish and Wildlife Service (Service), designate critical habitat for the northern Mexican gartersnake (Thamnophis eques megalops) under the Endangered Species Act of 1973 (Act), as amended. In total, approximately 20,326 acres (8,226 hectares) in La Paz, Mohave, Yavapai, Gila, Cochise, Santa Cruz, and Pima Counties, Arizona, and Grant County, New Mexico, fall within the boundaries of the critical habitat designation for the northern Mexican gartersnake. This rule extends the Act's protections to the northern Mexican gartersnake's designated critical habitat.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/04/28/2021-07572/endangered-and-threatened-wildlife-and-plants-designation-of-critical-habitat-for-the-northern)
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