to encourage, accept, and administer private gifts of property for the benefit of, or in connection with, the activities and services of the United States Fish and Wildlife Service and the National Oceanic and Atmospheric Administration, to further the conservation and management of fish, wildlife, plants, and other natural resources;

to undertake and conduct such other activities as will further the conservation and management of the fish, wildlife, and plant resources of the United States, and its territories and possessions, for present and future generations of Americans; and

to participate with, and otherwise assist, foreign governments, entities, and individuals in undertaking and conducting activities that will further the conservation and management of the fish, wildlife, and plant resources of other countries.