Bird migration perils cold temperatures on the wintering grounds kills thousands of birds, resulting in 30-90% population declines of migratory birds. For example, between 27000 and 62000 ducks, mostly tufted duck and common pochard, starved to death during a very cold winter in March 1986. The passing of Migratory Bird Treaty (US, 1916) and Migratory Birds Convention Act (Canada, 1917) made it illegal to kill or capture migratory birds. Even though migratory bird acts were passed at the beginning of the 19th century, many countries still have no laws or programs to protect migratory birds. International bird trade is a multibillion-dollar industry and
USS Pochard (AM-375) 15 January 1947. "Pochard" was berthed at San Diego, California, as a unit of the Pacific Reserve Fleet until recommissioned 27 February 1952. On 19 May she reported for duty with the Atlantic Fleet, at Charleston, South Carolina, whence she operated alternating U.S. East Coast and Caribbean cruises with Mediterranean deployments until 1955. Reclassified MSF-375, 7 February 1955, she was placed in reserve in June and decommissioned on 3 August. Assigned to the Florida Group, Atlantic Reserve Fleet, she was berthed at Green Cove Springs, Florida until struck from the Navy List 1 December 1966 and sold for scrap. "Pochard"