What is "surf bird"

Surf \Surf\, n. [Formerly spelled suffe, and probably the same word as E. sough.] The swell of the sea which breaks upon the shore, esp. upon a sloping beach.

Surf bird (Zo["o]l.), a ploverlike bird of the genus Aphriza, allied to the turnstone.

Surf clam (Zo["o]l.), a large clam living on the open coast, especially Mactra solidissima (syn. Spisula solidissima). See Mactra.

Surf duck (Zo["o]l.), any one of several species of sea ducks of the genus Oidemia, especially Oidemia percpicillata; -- called also surf scoter. See the Note under Scoter.

Surf fish (Zo["o]l.), any one of numerous species of California embiotocoid fishes. See Embiotocoid.

Surf smelt. (Zo["o]l.) See Smelt.

Surf whiting. (Zo["o]l.) See under Whiting.