; (ii) has the potential to benefit more than 1 species of fish and wildlife; or (iii) has the potential to benefit fish or wildlife species that is listed as threatened or endangered under the Endangered Species Act of 1973 ( 16 U.S.C. 1531 et seq. ). (2) Designation Not later than 3 years after the date on which the Secretary establishes criteria pursuant to paragraph (1), the Secretary shall designate habitat connectivity areas identified under subsection (b)(1), including any adjacent lands that may provide additional habitat connectivity, using the criteria established pursuant to paragraph (1), as an American wildlife corridor for the purposes of encouraging the long-term maintenance and conservation of the American wildlife corridor. (d) Conservation of American wildlife corridors (1) Technical assistance (A) In general The Secretary, in collaboration with the Directors, shall develop and establish technical standards and requirements, including best practices for the long-term conservation of an American wildlife corridor, to provide technical assistance, outreach, and education to covered producers with respect to the conservation of the applicable American wildlife corridor. (B) Authorized actions of Secretary In providing technical assistance under paragraph (1)(B), the Secretary may encourage a covered producer to— (i) implement strategies and activities that will provide sustainable production and conservation of wildlife habitats concurrently on covered land; (ii) maintain or improve habitats and habitat connectivity in American wildlife corridors on covered land; (iii) establish wildlife monitoring plans