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Echolocation behavior of franciscana dolphins (Pontoporia blainvillei) in the wild
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/content/asa/journal/jasa/131/6/10.1121/1.4710837
2012-05-08
2014-09-18

Abstract

Franciscana dolphins are small odontocetes hard to study in the field. In particular, little is known on their echolocation behavior in the wild. In this study we recorded 357 min and analyzed 1019 echolocation signals in the Rio Negro Estuary, Argentina. The clicks had a peak frequency at 139 kHz, and a bandwidth of 19 kHz, ranging from 130 to 149 kHz. This is the first study describing echolocation signals of franciscana dolphins in the wild, showing the presence of narrow-band high frequency signals in these dolphins. Whether they use other vocalizations to communicate or not remains uncertain.

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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Echolocation behavior of franciscana dolphins (Pontoporia blainvillei) in the wild
http://aip.metastore.ingenta.com/content/asa/journal/jasa/131/6/10.1121/1.4710837
10.1121/1.4710837
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