Data from: Innovative microphone transmitter reveals differences in acoustic structure between broadcast and whisper songs of Myadestes obscurus (ʻŌmaʻo)
Fuente:
Zenodo
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Recurso digital |
| Published: |
Zenodo
2025
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866902181312987136 |
|---|---|
| author | Navine, Amanda Paxton, Kristina Netoskie, Erin Tysall, Eirlys Paxton, Eben Hart, Patrick |
| author_facet | Navine, Amanda Paxton, Kristina Netoskie, Erin Tysall, Eirlys Paxton, Eben Hart, Patrick |
| contents | <p>Low-amplitude 'whisper songs' are a taxonomically broad phenomenon in birds that could play an important role in the suite of behaviors birds use to communicate. Due to its cryptic nature, there are inherent difficulties in capturing high-quality whisper song recordings without interrupting natural behaviors. Thus, whisper song acoustic structure is poorly understood and its potential function remains the subject of debate. Here, we present one of the first quantitative assessments of the acoustic structure of whisper song in birds. Using an innovative microphone transmitter we collected high quality recordings of broadcast and whisper songs from the <em>Myadestes obscurus </em>(ʻŌmaʻo), a thrush species endemic to the Island of Hawai'i. The transmitter was attached to the birds and broadcasted radio-signals of all vocalizations produced by the individual to distances over 100 m away which minimized disruption of the birds' normal behavior while recording. We demonstrate that ʻŌmaʻo whisper songs are a distinct class of vocalization that differ from broadcast songs in acoustic characteristics beyond amplitude, such as song length, frequency, and length of silent intervals between notes. These findings, in conjunction with habitat-associated variation in the rate at which ʻŌmaʻo emit these vocalization classes, indicate broadcast and whisper songs likely serve separate functions. This work provides evidence supporting the 'acoustic adaptation hypothesis' which posits that densely vegetated habitats promote the evolution of songs with specific acoustic features that maintain signal integrity as the sound propagates through the environment.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_14486201 |
| institution | Zenodo |
| language | |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Data from: Innovative microphone transmitter reveals differences in acoustic structure between broadcast and whisper songs of Myadestes obscurus (ʻŌmaʻo) Navine, Amanda Paxton, Kristina Netoskie, Erin Tysall, Eirlys Paxton, Eben Hart, Patrick Acoustic Structure Bioacoustics Song Transmitter Whisper Song <p>Low-amplitude 'whisper songs' are a taxonomically broad phenomenon in birds that could play an important role in the suite of behaviors birds use to communicate. Due to its cryptic nature, there are inherent difficulties in capturing high-quality whisper song recordings without interrupting natural behaviors. Thus, whisper song acoustic structure is poorly understood and its potential function remains the subject of debate. Here, we present one of the first quantitative assessments of the acoustic structure of whisper song in birds. Using an innovative microphone transmitter we collected high quality recordings of broadcast and whisper songs from the <em>Myadestes obscurus </em>(ʻŌmaʻo), a thrush species endemic to the Island of Hawai'i. The transmitter was attached to the birds and broadcasted radio-signals of all vocalizations produced by the individual to distances over 100 m away which minimized disruption of the birds' normal behavior while recording. We demonstrate that ʻŌmaʻo whisper songs are a distinct class of vocalization that differ from broadcast songs in acoustic characteristics beyond amplitude, such as song length, frequency, and length of silent intervals between notes. These findings, in conjunction with habitat-associated variation in the rate at which ʻŌmaʻo emit these vocalization classes, indicate broadcast and whisper songs likely serve separate functions. This work provides evidence supporting the 'acoustic adaptation hypothesis' which posits that densely vegetated habitats promote the evolution of songs with specific acoustic features that maintain signal integrity as the sound propagates through the environment.</p> |
| title | Data from: Innovative microphone transmitter reveals differences in acoustic structure between broadcast and whisper songs of Myadestes obscurus (ʻŌmaʻo) |
| topic | Acoustic Structure Bioacoustics Song Transmitter Whisper Song |
| url | https://doi.org/10.5281/zenodo.14486201 |