Topic summary
Waterbird

Extracted from the Wikipedia article Water bird.
Conservation
Waterbird conservation efforts in the United States are advanced by numerous organizations, including the 700,000 member strong Ducks Unlimited. Employing such methods as conservation easements and outright purchase, it uses federal and state habitat reimbursements, sponsorships, member fees, major gifts, donations, royalties, and advertisement to raise over $200 million a year. A minimum of 80 percent of that revenue goes directly toward habitat conservation.