Extraocular magnetic compass in newts

M. E. Deutschlander (), S. C. Borland and J. B. Phillips
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M. E. Deutschlander: University of Victoria
S. C. Borland: The Center for the Integrative Study of Animal Behavior, Indiana University, Bloomington
J. B. Phillips: The Center for the Integrative Study of Animal Behavior, Indiana University, Bloomington

Nature, 1999, vol. 400, issue 6742, 324-325

Abstract: Abstract Geomagnetic orientation is widespread among organisms, but the mechanism(s) of magnetoreception has not been identified convincingly in any animal1. In agreement with biophysical models proposing that the geomagnetic field interacts with photo-receptors2,3,4, changes in the wavelength of light have been shown to influence magnetic compass orientation in an amphibian, an insect and several species of birds (reviewed in ref. 5). We find that light-dependent magnetic orientation in the eastern red-spotted newt, Notophthalmus viridescens, is mediated by extraocular photoreceptors, probably located in the pineal complex or deeper in the brain (perhaps the hypothalamus).

Date: 1999
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DOI: 10.1038/22450

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