Estación Biológica Cocha Cashu

Spatial variation in black-headed night monkey (Aotus nigriceps) vocalizations

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Revista Científica:

bioRxiv

Año:

2019

Páginas:

688333

DOI:

https://doi.org/10.1101/688333

ISSN:

ISSN 2692-8205 (Online)

Keywords (Autor):

vocalizations, Aotus nigriceps, night monkey, Peru, acoustics

Resumen

Quantitative acoustic analysis has been used to decipher individual differences, population structure, and taxonomic diversity in numerous primate species. We previously described three distinct call types in wild Aotus nigriceps, and now assess acoustic differences in two of these call types between social groups and spatially distinct populations. Acoustic parameters for both analyzed call types exhibited significant variability between groups. Similarly, geographically distant field sites were acoustically distinct from one another. Several groups also used a variation of a common call: a triplet Ch Ch instead of a duplicate. Other groups made use of ultrasonic frequencies which have not previously been reported in Aotus. Our results suggest that Aotus nigriceps exhibits substantial acoustic variability across sites that could potentially be useful for taxonomic classification, although additional geographically distant populations still need to be sampled. The possibility of individual signatures also exists and will require recording vocalizations from known individuals.

Copyright:

© 2019 por los autores, licencia de preprint en bioRxiv

Autor (es ):

Helenbrook W. D. , Linck N. A. , Pardo M. A. , Suarez J. A.

Editorial:

bioRxiv

Ciudad:

Nueva York, Estados Unidos

Idioma:

Inglés

Tipo de Referencia:

Preprint cientifico

Investigadores: