Northern New Mexico Stockman, et al. v. United States Fish & Wildlife Service, et al., No. 21-2019 (10th Cir. 2022)
Annotate this CaseIn 2016, the U.S. Fish and Wildlife Service exercised its authority under the Endangered Species Act (ESA) to designate nearly 14,000 acres of riparian land in New Mexico, Colorado, and Arizona as critical habitat for the New Mexico Meadow Jumping Mouse. Two New Mexico ranching associations whose members graze cattle on the designated land challenged the Service’s critical habitat determination. The district court rejected each argument and upheld the Service’s critical habitat designation. After review, the Tenth Circuit affirmed, concluding: (1) the Service’s method for assessing the economic impacts of critical habitat designation complied with the ESA; (2) the Service adequately considered the effects of designation on the ranching association members’ water rights; and (3) the Service reasonably supported its decision not to exclude certain areas from the critical habitat designation.
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