effect+of+DDT


 * [[image:download]]DDT FaqsEffect of DDT **
 * By Alex Boratto, T.J. Brooks, and Will Rhodes **
 * ** First synthesized in 1874 **
 * ** Insecticidal properties not discovered until 1939 **
 * ** Effected birds so their eggs would not have enough calcium and be too fragile **
 * ** Mostly effected The Bald Eagle, the Golden Eagle, and other raptors. **
 * ** Later banned when all migratory birds became protected in the USA. **
 * ** Governmental restriction in 1969 **

Birds Not affected:

Northern Goshawk American Kestrel Northern Harrier Broad-winged Hawk Merlin Rough-legged Hawk