Sea Duck(n.) Any one of numerous species of ducks which frequent the seacoasts and feed mainly on fishes and mollusks. The scoters, eiders, old squaw, and ruddy duck are examples. They may be distinguished by the lobate hind toe.
Thesaurus Entries
Audubon warbler, Canada goose, English sparrow, accumulator, adjutant bird, agreeable rattle, albatross, all sorts, argala, assemblage, assortment, auk, auklet, avocet, babbler, bald eagle, baldpate, bank swallow, barbet, barn owl, barn swallow, barnacle goose, big talker, bill collector, bittern, blab, blabber, blabberer, blabbermouth, blackbird, blackcap, blatherer, blue jay, booby, broad spectrum, bullfinch, bunting, bush wren, bushtit, butcher bird, buzzard, canary, canvasback, capercaillie, caracara, cardinal, cassowary, catbird, cattle egret, chaffinch, chat, chatterbox, chatterer, chewink, chickadee, chicken hawk, chimney swift, chipping sparrow, cliff swallow, cockatiel, cockatoo, collection agent, collector, condor, conglomeration, connoisseur, coot, cormorant, cowbird, crake, crane, creeper, crossbill, crow, cuckoo, curlew, cushat, dipper, dodo, douanier, dove, duck, dunlin, dunner, eagle, egret, eider duck, emu, erne, exciseman, falcon, farmer, finch, flamingo, flicker, flycatcher, frigate bird, fulmar, gabber, gabbler, gallimaufry, gannet, garganey, gasbag, gatherer, gibble-gabbler, goldeneye, goldfinch, goose, great talker, greylag goose, grosbeak, grouse, guillemot, guinea fowl, gull, gyrfalcon, harrier, hash, hawk, hawk owl, hermit thrush, heron, hobby, hodgepodge, honker, hoopoe, hoot owl, horned owl, hot-air artist, hotchpot, hotchpotch, house finch, house martin, hummingbird, ibis, idle chatterer, indigo bunting, jabberer, jackdaw, jay, jumble, junco, jungle fowl, kea, kestrel, killdee, killdeer, kingbird, kingfisher, kinglet, kite, kittiwake, kiwi, kookaburra, lammergeier, lapwing, lark, laughing jackass, linnet, loon, macaw, mallard, marabou, martin, mash, mavis, medley, melange, merganser, merl, mess, mew, mingle-mangle, miscellany, miser, mishmash, mix, mixed bag, mockingbird, moulin a paroles, mud hen, murre, mute swan, myna, myna bird, night-heron, nighthawk, nightingale, nightjar, nutcracker, nuthatch, odds and ends, olio, olla podrida, omnium-gatherum, oriole, ortolan, osprey, ostrich, ouzel, owl, oyster catcher, pack rat, parakeet, parrot, partridge, passenger pigeon, pasticcio, pastiche, patchwork, patterer, peafowl, peewee, pelican, penguin, petrel, phalarope, pheasant, phoebe, pigeon, plover, potpourri, prater, prattler, ptarmigan, puffin, rail, rattle, raven, razorbill, red grouse, redbird, redhead, redpoll, redshank, redstart, redwing, rhea, ring ouzel, ringdove, ringtail, robin, rook, ruddy duck, salad, salmagundi, sapsucker, sauce, scarlet tanager, scaup duck, scramble, screech owl, sea duck