Nonvisual Photic Responsiveness in Newly Hatched Pigeons (Columba livia)

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Science  18 May 1973:
Vol. 180, Issue 4087, pp. 753-755
DOI: 10.1126/science.180.4087.753


Overt behavioral arousal was elicited by light stimulation in pigeon hatchlings. The sensitivity is not mediated via the retina or by direct stimulation of the brain, but rather it is most likely a dermal sensitivity.