Two-choice phonotaxis in Hyperolius marmoratus (Anura: Hyperoliidae): the effect of temporal variation in presented stimuli

Dyson, Miranda L. and Passmore, Neville I. (1988). Two-choice phonotaxis in Hyperolius marmoratus (Anura: Hyperoliidae): the effect of temporal variation in presented stimuli. Animal Behaviour, 36(3) pp. 648–652.

DOI: https://doi.org/10.1016/S0003-3472(88)80146-5

Abstract

Female painted reed frogs, Hyperolius marmoratus, were subjected to two-choide discrimination experiments to determine whether temporal overlap in the presented stimuli affects frequency preferences. The results showed that females preferred low frequency calls when the stimuli were presented alternately. Simultaneous presentation of stimuli resulted in a random response by females. When presented stimuli partially overlapped or abutted each other, the females responded significantly more often to the leading call irrespective of its frequency. These findings provide some insight into the possible effects of male vocal interactions on the ability of females actively to choose mates based on call frequency in natural breeding assemblages.

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