The exact reason for the decline in the 1950s is unknown as well. The Fish & Wildlife Services states that the eagles declined in the 1950s because of DDT. The problem with that statement is the fact that the bald eagle was recovering for many years before the nation banned DDT.
Elephants in the wild live to a range of 50 to 70 years. For well kept and fed animals in captivity, the oldest recorded is 82 years.
African elephants live on the savannas of Africa. There are two species of elephants in Africa; the savanna elephant and the forest elephant, (Loxodonta cyclotis). The savanna elephant's habitat is usually savannas or grasslands.