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Vocalizations of the North Atlantic pilot whale (Globicephala melas) as related to behavioral contexts

Vocalizations of free-ranging North Atlantic pilot whales were studied in different behavioral contexts to gain insight into the function and biological significance of different sound types. Simple whistles (with no frequency inflections) were heard more frequently when whales were “milling,” a restful behavior type. During “surface active” behavior, energetic, often coordinated activity probably representing feeding, many sound types, especially complex whistles (with more frequency inflections) and pulsed sounds, occurred with greater frequency than when this behavior was absent. Greater numbers of most whistle types were produced when whales were spread over a larger area and when more subgroups were present. Thus, in pilot whales, there is a significant relationship between their sounds and their behavior, with vocalizations possibly serving to maintain contact and coordinate movements of the herd.

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1. Linda S. Weilgart & Hal Whitehead

   Present address: Department of Biology, Dalhousie University, B3H 4J1, Halifax, Nova Scotia, Canada

1. Department of Psychology, Memorial University of Newfoundland, A1B 3X9, St. John's, Newfoundland, Canada

   Linda S. Weilgart

2. Newfoundland Institute for Cold Ocean Science, Memorial University of Newfoundland, A1B 3X7, St. John's, Newfoundland, Canada

   Hal Whitehead

3. Department of Biology, Dalhousie University, B3H 4J1, Halifax, Nova Scotia, Canada

   Linda S. Weilgart & Hal Whitehead

1. Linda S. Weilgart
2. Hal Whitehead

Offprint requests to: L.S. Weilgart at the current address

Weilgart, L.S., Whitehead, H. Vocalizations of the North Atlantic pilot whale (Globicephala melas) as related to behavioral contexts. Behav Ecol Sociobiol 26, 399–402 (1990). https://doi.org/10.1007/BF00170896

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• Received: 09 January 1989

• Accepted: 13 January 1990

• Issue Date: June 1990

• DOI: https://doi.org/10.1007/BF00170896

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