Silver plover (Zo["o]l.), the knot.

Silver salmon (Zo["o]l.), a salmon (Oncorhynchus kisutch) native of both coasts of the North Pacific. It ascends all the American rivers as far south as the Sacramento. Called also kisutch, whitefish, and white salmon.

Silver shell (Zo["o]l.), a marine bivalve of the genus Anomia. See Anomia.

Source: Webster's Revised Unabridged Dictionary (1913)