sandwich tern Definition

sea crow, arctic tern, sea lark, larid, pelecaniform seabird, snowy egret, cattle egret, herring gull, tarrock, manx shearwater, sea swallow, tern, glaucous gull, harlequin duck, tufted duck, great skua, grey heron, whooper swan, sterninae, egret, marsh harrier, pelagic bird, brent goose, shore bird, oystercatcher, black guillemot, curlew sandpiper, green plover, brant goose, great white heron, genus diomedea, dunlin, seabird, oxbird, spoonbill, heron, redshank, sea duck, meadow pipit, godwit, tystie, kittiwake, sandpiper, gull, shorebird, stone curlew, frigate bird, arctic skua, procellarian, lapwing, honey buzzard, sea bird, titlark, dunbird, ruddy duck, ferruginous duck, shadbird, cormorant, greylag goose, plover, tubenose, curlew, boatbill, wood stork, sea snipe, puffin, new world sparrow, mute swan, whaap, aquatic bird, phalaropidae, weaverbird, cliff swallow, cladorhyncus, pelican, hairbird, razorbill, barn swallow, sand martin, doucker, wigeon, ortygan, bohemian waxwing, coraciiform bird, petrel, mollemoke, diomedeidae, barnacle goose, snowy owl, gannet, heroner, tundra swan, whimbrel, old world vulture, bird genus, hen harrier, duck hawk, leptoptilus, plataleidae, wagtail,