High-frequency whistles of Guiana dolphins (Sotalia guianensis) in Guanabara Bay, southeastern Brazil.
J Acoust Soc Am
; 137(1): EL15-9, 2015 Jan.
Article
en En
| MEDLINE
| ID: mdl-25618093
ABSTRACT
Guiana dolphins produce whistles with a higher frequency and less complexity than most other delphinid species. The present study used a recording system with sampling rate of 192 kHz to describe the high-frequency whistles of Sotalia guianensis in Guanabara Bay, Rio de Janeiro. Eleven acoustic parameters (start, end, minimum, maximum, delta, center and peak frequency, duration, and frequency at 14, 12, and 34 of duration) were measured for all whistles. Whistles with a fundamental frequency up to 66.7 kHz were reported, thereby expanding the known frequency range of this species.
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Vocalización Animal
/
Delfines
/
Ondas Ultrasónicas
Límite:
Animals
País como asunto:
America do sul
/
Brasil
/
Caribe ingles
/
Guyana
Idioma:
En
Año:
2015
Tipo del documento:
Article