Accession Number : AD0693198

Title :   ECHOLOCATION-TYPE SIGNALS BY TWO DOLPHINS, GENUS SOTALIA.

Descriptive Note : Technical rept.,

Corporate Author : LOS ANGELES COUNTY MUSEUM CALIF

Personal Author(s) : Caldwell,David K. ; Caldwell,Melba C.

Report Date : AUG 1969

Pagination or Media Count : 18

Abstract : Two captive Amazon river, or sacred, dolphins, Sotalia fluviatilis, were studied for a short time in captivity in Florida. Both animals, a female and her immature male offspring, produced pulsed click-trains which behaviorally were correlated with environmental exploration and which thus were presumably being used for echolocation. Sonagrams of these sounds are presented. No sounds of the type usually termed a whistle were heard. (Author)

Descriptors :   (*ECHO RANGING, *CETACEA), AQUATIC ANIMALS, SOUND

Subject Categories : Biology

Distribution Statement : APPROVED FOR PUBLIC RELEASE