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Underwater Vision of the Sea Otter

Nature volume 216, pages 435–436 (1967)Cite this article

Abstract

A sea otter, Enhydra lutris, was trained to select the larger of two disks simultaneously presented under water, and its ability to discriminate between disks of nearly the same size was tested. The results provide an index of visual acuity, and suggest that Enhydra has slightly poorer underwater vision than Zalophus or Phoca.

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Authors and Affiliations

  1. Division of Natural Sciences, University of California, Santa Cruz

    R. L. GENTRY & R. S. PETERSON

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  1. R. L. GENTRY
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  2. R. S. PETERSON
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GENTRY, R., PETERSON, R. Underwater Vision of the Sea Otter. Nature 216, 435–436 (1967). https://doi.org/10.1038/216435a0

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