Winter Food Habits of River Otters in Western Oregon
Toweill DE. 1974. Winter Food Habits of River Otters in Western Oregon. The Journal of Wildlife Management. 38(1):107-111
Contents of the digestive tracts of 75 river otters (Lutra canadensis) collected in western Oregon between 15 November and 15 February, 1970-71 and 1971-72, were identified. Fish were the main staple of the diet, occurring in 80 percent of all digestive tracts examined. Major fish families represented were Cottidae (31 percent), Salmonidae (24 percent), and Cyprinidae (24 percent). Crustaceans, amphibians, and birds were other important food items occurring in 33, 12, and 8 percent, respectively, of all digestive tracts examined.
- Type
- Journal Article
- Authors
- Toweill, D
- Units
- LEWI
- Keywords
- Animal Studies, River Otter (Lutra canadensis), Stomach Contents