Southernmost distribution of common bottlenose dolphins (Tursiops truncatus) in the eastern South Pacific

Carlos Olavarría, Jorge Acevedo, Heike I. Vester, José Zamorano-Abramson, Francisco A. Viddi, Jorge Gibbons, Emma Newcombe, Juan Capella, A. Rus Hoelzel, Marcelo Flores, Rodrigo Hucke-Gaete, Juan Pablo Torres-Flórez

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    The common bottlenose dolphin (Tursiops truncatus) is a cosmopolitan species that does not range to latitudes greater than 45º in either hemisphere, with a few exceptions. In South American waters, this species is generally distributed in the Atlantic Ocean south to Chubut province (ca. 46º S), while in the eastern South Pacific this species has been recorded in northern and central Chile, with a few records south to 40º S. Here we summarize recent records of common bottlenose dolphins obtained during systematic marine mammal surveys in the Chilean Patagonian and Fuegian channels and fjords (the Los Lagos, Aysén, and Magallanes regions of Chile). These data suggest an extension of the documented range of the species southwards, indicating that bottlenose dolphins may have colonized new areas in the eastern South Pacific or as the result of an increase in survey efforts by scientists in the region.
    Original languageEnglish
    Pages (from-to)288-293
    Number of pages6
    JournalAquatic Mammals
    Volume36
    Issue number3
    DOIs
    Publication statusPublished - 2010

    Keywords

    • common bottlenose dolphin
    • Tursiops truncatus
    • eastern South Pacific
    • Chile
    • distribution

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