Rachel Carson

This data table shows the increasing number of eagles that are breeding after Silent Spring written by Rachel Carson about DDT. The eagles were breading more because there were less DDT causing the Eagle's to have less reproductive problems.

Bald Eagle Breeding Pairs - 1963 to 2006
Data Table
Year    Number of Pairs
2006           9789
2005           7066
2000           6471
1999           6404
1998           5748
1997           5295
1996           5094
1995           4712
1994           4449
1993           4015
1992           3749
1991           3399
1990           3035
1989           2680
1988          2475
1987           2238
1986           1875
1984           1757
1981           1188
1974           791
1963           487

http://www.fws.gov/midwest/Eagle/population/chtofprs.html