A comparison of pectoral fin contact between two different wild dolphin populations
Behavioural Processes
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Abstract
Contact behaviour involving the pectoral fin has been documented in a number of dolphin species, and various explanations about its function have been offered. Pectoral fin contact can take a variety of forms, and involves a number of body parts and movements, likely differing depending upon social or ecological context. For this study, we compare the pectoral fin contact behaviour of two species of wild dolphins: Indo-Pacific bottlenose dolphins (Tursiops aduncus) from around Mikura Island, Japan, and Atlantic spotted dolphins (Stenella frontalis) from The Bahamas. The two study populations exhibit surprising similarity in the ways in which pectoral fin contacts are used, despite differences in species and environmental conditions at the two sites. Differences in contact rates for calves between the two sites suggest that calf-focused aggression from adult dolphins is more prevalent at Mikura than in The Bahamas. Our results suggest that pectoral fin contact behaviour seems to be driven primarily by social pressures, and may be similar in function to allogrooming described in primates. ?? 2008 Elsevier B.V.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A comparison of pectoral fin contact between two different wild dolphin populations |
| Series title | Behavioural Processes |
| DOI | 10.1016/j.beproc.2008.11.011 |
| Volume | 80 |
| Issue | 2 |
| Year Published | 2009 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Behavioural Processes |
| First page | 182 |
| Last page | 190 |
| Google Analytic Metrics | Metrics page |