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With only 417 known breeding pairs in the 48 contiguous states in 1963, the bald eagle population was dwindling alarmingly; a decade later they were placed on the endangered species list. In one of the greatest success stories in species recovery, conservation methods such as the banning of DDT and the prohibition against eagle hunting had by the beginning of the 21st cent. increased the breeding population in the lower 48 states to some 5,000 pairs. In 1995 the bald eagle was removed from endangered status, and in 2007, when there were nearly 10,000 breeding pairs in the lower 48, it was removed from threatened status.
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