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July 27, 2026Behavioral Ecology and SociobiologyOpen Access

Effect of sympatry on discrimination of advertisement and aggressive signals by female chorus frogs

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Authors

CACarlie B. AndersonGRGary J. RoseELEmily Moriarty Lemmon

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Overview

Randomized trial assesses signal discrimination in chorus frogs, revealing the role of sympatry in enhancing behavioral isolation.

Key Points

  • The study aims to understand how sympatry affects female chorus frog responses to male advertisement and aggressive calls.
  • Conducted binary-choice phonotaxis experiments with females from sympatric and allopatric populations.
  • Tested female preferences for local advertisement calls versus allopatric advertisement and aggressive calls.
  • Measured variations in male call pulse rates and numbers between populations.
  • Sympatric females preferred local advertisement calls over allopatric calls, indicating behavioral character displacement.
  • Allopatric females chose aggressive calls more frequently than sympatric females.
  • Both populations failed to discriminate between aggressive calls and advertisement calls with similar temporal features.

Cite This Study

Anderson et al. (2026) studied this question.

synapsesocial.com/papers/6a6700bd40bca442e0d4ab22https://doi.org/10.1007/s00265-026-03782-w
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