bittern Definition

ecological, ecology, lapwing, avocet, marsh harrier, cattle egret, corncrake, heron, oystercatcher, grebe, stone curlew, moorhen, redshank, curlew, ruddy duck, wigeon, pipit, dunlin, tufted duck, warbler, spoonbill, gadwall, yellow warbler, plover, greenshank, willow tit, willow warbler, chough, nightjar, woodlark, ringed plover, rusty blackbird, greater yellowlegs, american bittern, ospreys, vole, kingfisher, redstart, northern harrier, gannet, shrike, golden plover, bustard, woodcock, skylarks, summer tanager, song thrush, otter, loggerhead shrike, vesper sparrow, guillemots, scarlet tanager, purple gallinule, chiffchaff, razorbills, bufflehead, sandpiper, glaucous gull, great blue heron, belted kingfisher, muntjac, capercaillie, ovenbird, reed bunting, baltimore oriole, waterbird, peregrine, sparrowhawk, pochard, dickcissel, whimbrel, northern bobwhite, hen harrier, lesser yellowlegs, bobolinks, ivory gull, kittiwake, eastern meadowlark, loggerhead turtle, spruce grouse, basking shark, bellbirds, northern parula, willet, storm petrel, marsh wren, linnet, pine marten, eider, flycatcher, kingbird, gray catbird, goldeneyes, sewin, hooded merganser, kestrels, siskin, goshawk, surf scoter, chaffinch,