Food Habits of Otters in the Great Lakes Region

1 January 1968

journal article
research article
Published by JSTOR in The Journal of Wildlife Management

Vol. 32 (1) , 89-+
https://doi.org/10.2307/3798240

Abstract

Food items were identified in digestive tracts from otters (Lutra canadensis) taken by trappers during Feb., March, and April over a period of 6 years in Wisconsin, Michigan, and Minnesota. In addition, scats of Wisconsin otters from all seasons of the year were examined for food remains. Fish, particularly non-game fish, were the main prey species. Game fish (including trout) occurred infrequently. Crayfish, frogs, and aquatic insects were other important foods.

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