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LAJAM 4(1): 49-54, January/June 2005 ISSN 1676-7497 Western Washington University, Department of Biology. Bellingham, WA 98225-9160, U.S.A. Fax: 360-650-3148.
 

Summary: LAJAM 4(1): 49-54, January/June 2005 ISSN 1676-7497
1
Western Washington University, Department of Biology. Bellingham, WA 98225-9160, U.S.A. Fax: 360-650-3148.
2
Talamanca Dolphin Foundation. Manzanillo, Talamanca, Costa Rica.
3
Southampton College, Long Island University. 239 Montauk Highway, Southampton, NY 11968-4196 U.S.A.
* Corresponding author, e-mail: acevedo@biol.wwu.edu.
SOCIAL INTERACTIONS BETWEEN TUCUXIS AND BOTTLENOSE DOLPHINS
IN GANDOCA-MANZANILLO, COSTA RICA
ALEJANDRO ACEVEDO-GUTIÉRREZ1, *
, ANN DIBERARDINIS2
,
SHAWN LARKIN2
, KATRINA LARKIN2
AND PAUL FORESTELL3
ABSTRACT: Studies measuring the extent of interspecific interactions between dolphin species are rare. We observed free-ranging
tucuxis (Sotalia fluviatilis) and bottlenose dolphins (Tursiops truncatus) to document the frequency of occurrence of interspecific
interactions relative to group size and behavioral state. We conducted opportunistic surveys in Gandoca- Manzanillo (9º36'N,
82º35'W), Costa Rica. Of the 71 groups analyzed, 46.5% were comprised only of tucuxis, 21.1% of bottlenose dolphins, and

  

Source: Acevedo, Alejandro - Department of Biology, Western Washington University

 

Collections: Environmental Sciences and Ecology