---
id: stories/a-frog-chorus
about:
  label: A frog chorus
  description: Aircraft noise changes how Pedregal frogs call and thins out their chorus.
story:
  order: 3
domains:
  - sensory
provenance:
  origin: survey
  sources:
    - title: 'Serrano and Ochoa-Ochoa: aircraft noise and Pedregal frog calls'
      url: 'https://link.springer.com/article/10.1007/s11252-023-01497-8'
    - title: Bernie Krause's account of a jet disrupting a frog chorus
      url: 'https://patternwhichconnects.com/portfolio/repairing-the-silent-spring/'
  reviewed: 2026-09
  reviewed_by: 'wording by Claude, compressed from the survey; to be rewritten'
  status: proposed
---
Serrano and Ochoa-Ochoa documented aircraft noise changing Pedregal frog calls and reducing chorus activity. Bernie Krause's account of a jet disrupting a frog chorus goes further: breaking the collective sound exposes individual callers to predators. That account illustrates a possible chain of effects; the Pedregal study measured vocal behavior, not increased predation. A coupled model would need to test each link: disturbance, perception, behavior and ecological outcome.