Lizard Reproduction: Refractory Period and Response to Warmth in Uta stansburiana Females

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Science  18 Jun 1965:
Vol. 148, Issue 3677, pp. 1613-1614
DOI: 10.1126/science.148.3677.1613


Photoperiod does not affect timing of the female reproductive cycle in Uta stansburiana. This lizard is refractory to reproduction until early December. Later, prolonged warmth under laboratory conditions initiates the reproductive cycle in some lizards regardless of photoperiod.