The Southern District of New York upheld a long-standing interpretation of the Migratory Bird Treaty Act (MBTA). A coalition of national environmental groups, including the American Bird Conservancy, Center for Biological Diversity, Defenders of Wildlife, National Audubon Society, National Wildlife Federation filed lawsuits in May 2018 challenging the Department of the Interior’s move to eliminate protections for waterfowl, raptors and songbirds under the MBTA.