The bald eaKl<>-nafH,nal symbol of the fnitwi States. In many ,K,rts of its range, populations of the bald eagle have 

 .]eclin<.d appre.-,ably in r«-,.nt years. Pesticide residues are beinj; found in eagle eggs and body tissues, and the 

 Bureau of Sport Fisheri<>s and Wildlife i.s ascertaining the relation of these chemicals to ix.pulation trends and 



Status. (Photo by John J. and PVank C. Craighead, .Tr., courtesy of (he Xatioual Ceographic S 



iK-iet.y ) 



VI 



