We hold eggs collected by many significant figures in ornithology ... Loss of nesting sites and food contamination by pesticides (eg DDT) caused the birds’ decline in New Jersey and eastern United ...

The birds absorbed DDT by eating contaminated fish and subsequently laid defective eggs. DDT, once widely used to kill insects, has escaped into the environment. In polluted water, plankton ...

An accumulation of DDT in birds caused them to lay eggs with very thin shells that easily broke. Peregrines were declared a ...

He found that unhatched osprey eggs contained significant concentrations of DDT ... After many months of preparation, the case was strong. Not only was DDT poisoning birds and crustaceans, but it was ...

DDT in fish makes the eggs of osprey, eagles and pelicans thin-shelled. They crack, killing embryos. By the 1960s some birds of prey were failing to reproduce. The bald eagle -- America's national ...