USFWS announced findings that four species are not warranted for listing as endangered or threatened species under the ESA. After a thorough review of the best available scientific and commercial information, USFWS find that it is not warranted at this time to list the Upper Missouri River DPS of Arctic grayling, Elk River crayfish, rattlesnake-master borer moth, and northern Virginia well amphipod. The findings in this document were made on 23 July 2020.

(Federal Register: 23 July 2020 [Rule] Pages 44478-44483).