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. 1970 Apr;65(4):853-6.
doi: 10.1073/pnas.65.4.853.

Orientation by untrained pigeons requires the sun

W T Keeton, A Gobert

Orientation by untrained pigeons requires the sun

W T Keeton et al. Proc Natl Acad Sci U S A. 1970 Apr.

Abstract

Untrained homing pigeons released on sunny days oriented homeward regardless of the direction of the release site from the loft. Similar pigeons released under total overcast vanished randomly, whereas experienced birds released on the same days at the same sites oriented homeward. Apparently untrained pigeons require the sun for orientation but experienced pigeons do not.

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References

    1. Science. 1969 Aug 29;165(3896):922-8 - PubMed

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