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

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

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

Any snail of the family Viviparidae.

plural of river snail

A bird, the sand martin.

plural of river bottom

The lowest part of a river, where the water meets the ground below. / The alluvial land along the margin of a river.