North American Waterfowl Management Plan
... that since its establishment in 1986, the North American Waterfowl Management Plan has spent $4.5 billion to protect wetlands used by migratory birds in North America?
... that since its establishment in 1986, the <b id="mwDQ4"><a href="./North_American_Waterfowl_Management_Plan" id="mwDQ8" rel="mw:WikiLink" title="North American Waterfowl Management Plan">North American Waterfowl Management Plan</a></b> has spent <a href="./United_States_dollar" id="mwDRA" rel="mw:WikiLink" title="United States dollar">$</a>4.5 billion to protect <a href="./Wetland" id="mwDRE" rel="mw:WikiLink" title="Wetland">wetlands</a> used by <a href="./Bird_migration" id="mwDRI" rel="mw:WikiLink" title="Bird migration">migratory birds</a> in <a href="./North_America" id="mwDRM" rel="mw:WikiLink" title="North America">North America</a>?