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Color vision in birds is mediated by four types of cone photoreceptors whose maximal sensitivities (λ[subscript max]) are evenly spaced across the light spectrum. In the course of avian evolution,

Color vision in birds is mediated by four types of cone photoreceptors whose maximal sensitivities (λ[subscript max]) are evenly spaced across the light spectrum. In the course of avian evolution, the λ[subscript max] of the most shortwave-sensitive cone, SWS1, has switched between violet (λ[subscript max] > 400 nm) and ultraviolet (λ[subscript max] < 380 nm) multiple times. This shift of the SWS1 opsin is accompanied by a corresponding short-wavelength shift in the spectrally adjacent SWS2 cone.

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    Date Created
    • 2016-07-12
    Resource Type
  • Text
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    Identifier
    • Digital object identifier: 10.7554/eLife.15675
    • Identifier Type
      International standard serial number
      Identifier Value
      2050-084X

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    Toomey, M. B., Lind, O., Frederiksen, R., Curley, R. W., Riedl, K. M., Wilby, D., . . . Corbo, J. C. (2016). Complementary shifts in photoreceptor spectral tuning unlock the full adaptive potential of ultraviolet vision in birds. ELife, 5. doi:10.7554/elife.15675

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