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Foraging bats adjust the features of sonar vocalizations as they search for, approach, and intercept a target
| Insect pursuit phase | Sonar call rate (Hz) | Sonar call duration (ms) |
|---|---|---|
| Search | 5–10 | 15–20 |
| Approach | 20–80 | 2–5 |
| Terminal buzz | 0.5–1.0 | 150–200 |
The characteristics of their sonar vocalizations have been used to divide this bat's insect pursuit vocal sequence into three different phases (Griffin et al., 1960).
