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SlideshowReport

Vision-based Magnetic Compass in European Robins

Description
Vision-based magnetic compass in European robins. (a) Triangles indicate predominant direction of movements made by 12 robins tested indoors in the spring. Arrow indicates average result.  (b) A robin with a frosted lens in front of its right eye and a clear one over its left eye shows no directional preference in its movements.
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