The next two examples are of full-fledged chorusing.
Females may also, but less frequently, engage in female chorusing with unrelated females.
Engaging in pheromonal chorusing allows females to increase the attractiveness of genetic relatives and increase their indirect fitness.
Limited data suggest that chorusing occurs only in rainy nights; otherwise males remain hidden in their stream-side burrows.
The instrument also had controls for glissando, portamento, and timbre attack (a type of chorusing).
Chorusing is most frequent at night, but individuals often call during daytime in response to thunder or other loud noises.