File:Goose scheme of chickens and ducks.gif

Summary

Description
English: According to Tinbergen, chickens as well as ducks consider a cross moving in the direction of its long (this file) and short (File:Falcon scheme of chickens and ducks.gif) end as a (harmless) goose and a (feared) falcon, respectively. The scheme is oriented to fit the real-goose photo File:Goose-flying.jpg.The reference

Tinbergen, N. (1951) The study of instinct, Clarendon , Sect.IV

was obtained from

Donald D. Hoffman (1998) Visual Intelligence. How we create what we see, Norton , Sect.1.
Date
Source Own work
Author Jochen Burghardt

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Category:CC-BY-SA-3.0#Goose%20scheme%20of%20chickens%20and%20ducks.gif
Category:Self-published work Category:Files by User:Jochen Burghardt Category:Ethology
Category:CC-BY-SA-3.0 Category:Ethology Category:Files by User:Jochen Burghardt Category:Self-published work