In the 1930s, Texas built 3 bird-nesting islands from dredged mud; all vanished, but one rebuilt 4.5-acre island now hosts more than 2,500 nesting pairs

• Dickinson Bay lost its charm over the decades.
• The small estuarine pocket on Galveston Bay's western shore once hosted thriving colonies of waterbirds on three dredged islands.
• But then the islands completely vanished.