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Science 1 July 1960:
Vol. 132. no. 3418, pp. 35 - 36
DOI: 10.1126/science.132.3418.35
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Articles

Observations on the Behavior of the Porpoise Delphinus delphis

Robert L. Edwards 1 and Robert Livingstone Jr. 1

1 U. S. Fish and Wildlife Service, Biological Laboratory, Woods Hole, Massachusetts

Common porpoises have been observed in January, in the area of the Hudson Canyon, feeding on fish that escaped an otter trawl. An echo-sounder alsorecorded, in one instance, a descent of a porpoise to a depth of 200 feet in less than 2 minutes.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)