In 1970 a biologist saved a bald eagle from extinction in the United States: over 50 years later it has more than 70 offspring worldwide

For more than two years Tina Morris camped beneath an improvised nest to feed and care for seven bald eagle chicks that were on the brink of extinction ...
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In 1976, a 26-year-old biologist camped alone beneath a 35-foot artificial eagle nest: One chick she raised went on to father around 70 more

Tina Morris was 26 years old when she spent months living alone beside an artificial nest at New York's Montezuma National Wildlife Refuge. Her job was to raise young bald eagles and see whether they ...