Lorenz’s Goose Eggs
Konrad Lorenz (1903-1989), the Austrian physician and zoologist who shared the Nobel prize in Physiology or Medicine in 1973, hatched a clutch of greylag goose eggs as a young man and found that the newly-hatched goslings “imprinted” on him and would follow him wherever he went as if he were their mother. He later found that they would imprint on whatever they saw moving during a “critical period” after they emerged from the eggs. In goslings that period is from 13 to 16 hours after hatching. That’s how Lorenz became “mother” to a series of baby geese and ducks in subsequent years. He also found that this surrogate motherhood was indelible. Once the little birds had “learned” that the naturalist was their mother there was no “un-learning” it. That might explain why Lorenz often appears in photographs followed by a gaggle of geese. Continue reading “Un-Brainwashing America”