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Biol Bull 127: 154-158. (August 1964)
© 1964 Marine Biological Laboratory
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SUN COMPASS ORIENTATION OF PIGEONS UPON DISPLACEMENT NORTH OF THE ARCTIC CIRCLE

KLAUS SCHMIDT-KOENIG 1

1 Dept. of Zoology, Duke University, Durham, N. C., Max-Planck-Institut f. Verhaltensphysiologie, Abt. Mittelstaedt, Seewiesen, Germany

1. Three homing pigeons, directionally trained in a semi-automatically operating apparatus at Durham, N. C. (36° 00' N; 78° 56' W), were displaced to Barrow, Alaska (71° 10' N; 150° 41' W), around the summer solstice of 1962.

2. At "night" the birds allowed dichotomously for a clockwise and a counter-clockwise movement of the sun. This is the first indication that individuals may follow the "bee pattern" as well as the "Talitrus pattern."






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