# Males increase call frequency, not intensity, in response to noise, revealing no Lombard effect in the little torrent frog

> Research article (Ecology and Evolution, 2018) · cited 37× · AI/ML

**Wikidata**: [openalex:W2898808967](https://www.wikidata.org/wiki/openalex:W2898808967)  
**Source**: https://4ort.xyz/entity/males-increase-call-frequency-not-intensity-in-response-to-noise-revealing-no-lombard-effect-in-the-little-torrent-frog