Abstract
When an animal is moving relative to its surroundings it can nevertheless stabilize the image on the retina, at least partially, by means of the large-field optomotor response. In the animal species investigated so far, this response has been found to be colour-blind as indicated by grey-matching tests, and to involve only photoreceptors sensitive in the long-wavelength region of the spectrum. Here we show that this rule also applies to pigeons, i.e. birds, a group not previously studied in this regard.
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Accepted: 4 February 1998
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v. Campenhausen, M., Kirschfeld, K. Spectral sensitivity of the accessory optic system of the pigeon. J Comp Physiol A 183, 1–6 (1998). https://doi.org/10.1007/s003590050229
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DOI: https://doi.org/10.1007/s003590050229