# Endangered and Threatened Wildlife and Plants; Final Designation of Critical Habitat for the Mexican Spotted Owl
> **US Fish and Wildlife Service** · Final rule. · Published 2001-02-01 · Effective 2001-03-05 · 66 FR 8530
## Document
- **Document number:** 01-1798
- **Category:** endangered-species
- **Sub-agency:** US Fish and Wildlife Service
- **Federal Register citation:** 66 FR 8530
- **CFR reference:** 50 CFR 17
- **Publication date:** 2001-02-01
- **Effective date:** 2001-03-05
## Abstract

We, the U.S. Fish and Wildlife Service (Service), designate critical habitat under the Endangered Species Act of 1973, as amended (Act), for the Mexican spotted owl (Strix occidentalis lucida) (owl). The owl inhabits canyon and montane forest habitats across a range that extends from southern Utah and Colorado, through Arizona, New Mexico, and west Texas, to the mountains of central Mexico. We designate approximately 1.9 million hectares (ha) (4.6 million acres (ac)) of critical habitat in Arizona, Colorado, New Mexico, and Utah, on Federal lands. Section 7 of the Act requires Federal agencies to ensure that actions they authorize, fund, or carry out are not likely to destroy or adversely modify designated critical habitat. As required by section 4 of the Act, we considered economic and other relevant impacts prior to making a final decision on what areas to designate as critical habitat.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/02/01/01-1798/endangered-and-threatened-wildlife-and-plants-final-designation-of-critical-habitat-for-the-mexican)
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