Endangered Species Law & Policy

On May 7, 2021, the U.S. Fish and Wildlife Service (USFWS), as many anticipated, published a proposed rule to revoke a Trump Administration rule impacting the scope of the Migratory Bird Treaty Act (MBTA).  The Trump Administration rule was finalized on January 7, 2021 and became effective March 8, 2021.  It clarified that the MBTA’s prohibition against the take of migratory birds did not extend to death or injury of migratory birds that results from, but is not the purpose of, an action (also known as incidental take).  Prior to the Trump Administration Rule, USFWS had, for decades ...

On December 22, 2017 the Department of the Interior (DOI) Solicitor's Office issued its revised interpretation of the Migratory Bird Treaty Act’s (MBTA) prohibition on the take of migratory bird species.  Official opinions from the DOI Solicitor’s Office are known as M Opinions and carry substantial weight in how DOI applies and enforces the various wildlife laws under its purview.  In January 2017, the prior DOI Solicitor issued Opinion M-37041, Incidental Take Prohibited Under Migratory Bird Treaty Act, which concluded that the MBTA’s broad prohibition on taking and ...