Approximately 255 humpback whales, Megaptera novaeangliae, moved through the waters off the Bay de Verde Peninsula, Newfoundland, between 1 June and 10 August 1978. Their distribution and northward migration speed were closely related to the density of depth sounder traces in the 80–120 m depth range, believed to have been made by postspawning schools of the humpbacks' major local prey, the capelin, Mallotus villosus. Residence times of individual humpbacks were usually less than 3 days. Only one animal had a preferred range within the study area.
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Whitehead et al. (1980) studied this question.
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