A major tributary of the Kootenay River, British Columbia, Canada; it is 40 miles long. / A tributary of the Salmon River, on Vancouver Island, British Columbia, Canada.

A river in Wyoming and Montana, USA, which is a tributary of the Yellowstone River. / A river in Oregon, United States, a tributary of the Snake River.

Any shark of the genus Glyphis (family Carcharhinidae).

plural of river shark

(obsolete) capybara (Hydrochoerus hydrochaeris)

plural of river hog

The common European otter (Lutra lutra). / Lontra canadensis (North American river otter) / Lontra felina (marine otter, sea cat) / Lontra longicaudis (South American river otter)

plural of river otter

(US, geography) The canonical name of the great river Mississippi.

A river in eastern Ontario, Canada, which joins the Ottawa River.