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Science 7 January 1966:
Vol. 151. no. 3706, pp. 108 - 109
DOI: 10.1126/science.151.3706.108
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Articles

Food Imprinting in the Snapping Turtle, Chelydra serpentina

Gordon M. Burghardt 1 and Eckhard H. Hess 1

1 Department of Psychology, University of Chicago, Chicago 60637

Three groups of hatchling snapping turtles, totaling 20, were fed either meat, fish, or worms. When they were tested for preference after 12 daily feedings, each preferred the diet to which it was accustomed. After 12 more days of eating a different food, each still preferred its original diet. A form of imprinting may be operative in the feeding behavior of this species.


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