Back Thorleif Schjelderup-Ebbe German Thorleif Schjelderup-Ebbe French Thorleif Schjelderup-Ebbe Italian トルライフ・シェルデラップ＝エッベ Japanese Thorleif Schjelderup-Ebbe NB Шельдеруп-Эббе, Торлейф Russian Thorleif Schjelderup-Ebbe Swedish Торлейф Шельдеруп-Еббе Ukrainian
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Thorleif Schjelderup-Ebbe (12 November 1894 in Kristiania – 8 June 1976 in Oslo)[1] was a Norwegian zoologist and comparative psychologist. He was the first person to describe a pecking order of hens.
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