Double-crested cormorants were nearly wiped out in much of the U.S. before a rebound sparked by the federal government's 1972 ban the pesticide DDT and prohibitions on shooting the fishing birds.
The Comeback of an Ancient Fishing Bird
Environment In Focus Podcast 2/13/2014
Now the once-persecuted birds are common in the Chesapeake Bay and elsewhere -- although still misunderstood and maligned.