Preliminary evidence for signature vocalizations among free-ranging narwhals (Monodon monoceros)
Author Posting. © Acoustical Society of America, 2006. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 120 (2006): 1695-1705, doi:10.1121/1.222658...
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ftwhoas:oai:darchive.mblwhoilibrary.org:1912/2355 2023-05-15T15:35:28+02:00 Preliminary evidence for signature vocalizations among free-ranging narwhals (Monodon monoceros) Shapiro, Ari D. 2006-09 application/pdf https://hdl.handle.net/1912/2355 en_US eng Acoustical Society of America https://doi.org/10.1121/1.2226586 Journal of the Acoustical Society of America 120 (2006): 1695-1705 https://hdl.handle.net/1912/2355 doi:10.1121/1.2226586 Journal of the Acoustical Society of America 120 (2006): 1695-1705 doi:10.1121/1.2226586 Biocommunications Bioacoustics Spectral analysis Article 2006 ftwhoas https://doi.org/10.1121/1.2226586 2022-05-28T22:57:33Z Author Posting. © Acoustical Society of America, 2006. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 120 (2006): 1695-1705, doi:10.1121/1.2226586. Animal signature vocalizations that are distinctive at the individual or group level can facilitate recognition between conspecifics and re-establish contact with an animal that has become separated from its associates. In this study, the vocal behavior of two free-ranging adult male narwhals (Monodon monoceros) in Admiralty Inlet, Baffin Island was recorded using digital archival tags. These recording instruments were deployed when the animals were caught and held onshore to attach satellite tags, a protocol that separated them from their groups. The signature content of two vocal categories was considered: (1) combined tonal/pulsed signals, which contained synchronous pulsatile and tonal content; (2) whistles, or frequency modulated tonal signals with harmonic energy. Nonparametric comparisons of the temporal and spectral features of each vocal class revealed significant differences between the two individuals. A separate, cross-correlation measure conducted on the whistles that accounted for overall contour shape and absolute frequency content confirmed greater interindividual compared to intraindividual differences. These data are consistent with the hypothesis that narwhals produce signature vocalizations that may facilitate their reunion with group members once they become separated, but additional data are required to demonstrate this claim more rigorously. I thank the WHOI Academic Programs office, the National Science Foundation Research Fellowship, and the National Defense Science and Engineering Graduate Fellowship for financial support. This field operation was funded by the Greenland Institute of Natural Resources, the National Environmental Research Institute, Department of Fisheries and Oceans, ... Article in Journal/Newspaper Baffin Island Baffin Greenland Greenland Institute of Natural Resources Monodon monoceros narwhal* National Environmental Research Institute Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server) Admiralty Inlet ENVELOPE(-86.000,-86.000,72.501,72.501) Baffin Island Greenland The Journal of the Acoustical Society of America 120 3 1695 1705 |
institution |
Open Polar |
collection |
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server) |
op_collection_id |
ftwhoas |
language |
English |
topic |
Biocommunications Bioacoustics Spectral analysis |
spellingShingle |
Biocommunications Bioacoustics Spectral analysis Shapiro, Ari D. Preliminary evidence for signature vocalizations among free-ranging narwhals (Monodon monoceros) |
topic_facet |
Biocommunications Bioacoustics Spectral analysis |
description |
Author Posting. © Acoustical Society of America, 2006. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 120 (2006): 1695-1705, doi:10.1121/1.2226586. Animal signature vocalizations that are distinctive at the individual or group level can facilitate recognition between conspecifics and re-establish contact with an animal that has become separated from its associates. In this study, the vocal behavior of two free-ranging adult male narwhals (Monodon monoceros) in Admiralty Inlet, Baffin Island was recorded using digital archival tags. These recording instruments were deployed when the animals were caught and held onshore to attach satellite tags, a protocol that separated them from their groups. The signature content of two vocal categories was considered: (1) combined tonal/pulsed signals, which contained synchronous pulsatile and tonal content; (2) whistles, or frequency modulated tonal signals with harmonic energy. Nonparametric comparisons of the temporal and spectral features of each vocal class revealed significant differences between the two individuals. A separate, cross-correlation measure conducted on the whistles that accounted for overall contour shape and absolute frequency content confirmed greater interindividual compared to intraindividual differences. These data are consistent with the hypothesis that narwhals produce signature vocalizations that may facilitate their reunion with group members once they become separated, but additional data are required to demonstrate this claim more rigorously. I thank the WHOI Academic Programs office, the National Science Foundation Research Fellowship, and the National Defense Science and Engineering Graduate Fellowship for financial support. This field operation was funded by the Greenland Institute of Natural Resources, the National Environmental Research Institute, Department of Fisheries and Oceans, ... |
format |
Article in Journal/Newspaper |
author |
Shapiro, Ari D. |
author_facet |
Shapiro, Ari D. |
author_sort |
Shapiro, Ari D. |
title |
Preliminary evidence for signature vocalizations among free-ranging narwhals (Monodon monoceros) |
title_short |
Preliminary evidence for signature vocalizations among free-ranging narwhals (Monodon monoceros) |
title_full |
Preliminary evidence for signature vocalizations among free-ranging narwhals (Monodon monoceros) |
title_fullStr |
Preliminary evidence for signature vocalizations among free-ranging narwhals (Monodon monoceros) |
title_full_unstemmed |
Preliminary evidence for signature vocalizations among free-ranging narwhals (Monodon monoceros) |
title_sort |
preliminary evidence for signature vocalizations among free-ranging narwhals (monodon monoceros) |
publisher |
Acoustical Society of America |
publishDate |
2006 |
url |
https://hdl.handle.net/1912/2355 |
long_lat |
ENVELOPE(-86.000,-86.000,72.501,72.501) |
geographic |
Admiralty Inlet Baffin Island Greenland |
geographic_facet |
Admiralty Inlet Baffin Island Greenland |
genre |
Baffin Island Baffin Greenland Greenland Institute of Natural Resources Monodon monoceros narwhal* National Environmental Research Institute |
genre_facet |
Baffin Island Baffin Greenland Greenland Institute of Natural Resources Monodon monoceros narwhal* National Environmental Research Institute |
op_source |
Journal of the Acoustical Society of America 120 (2006): 1695-1705 doi:10.1121/1.2226586 |
op_relation |
https://doi.org/10.1121/1.2226586 Journal of the Acoustical Society of America 120 (2006): 1695-1705 https://hdl.handle.net/1912/2355 doi:10.1121/1.2226586 |
op_doi |
https://doi.org/10.1121/1.2226586 |
container_title |
The Journal of the Acoustical Society of America |
container_volume |
120 |
container_issue |
3 |
container_start_page |
1695 |
op_container_end_page |
1705 |
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1766365799244627968 |