(1) The eight endangered species of birds are common scoter, hen harrier, grey partridge, corncrake , red-necked phalarope, nightjar, roseate tern and corn bunting.(2) Among the birds which have suffered catastrophic losses over the past 30 years are the tree sparrow, grey partridge, lapwing, curlew, snipe, skylark, corncrake , corn bunting, black and red grouse.(3) Like other crakes the corncrake was more prone than most to colliding with overhead wires.(4) The secretive corncrake prefers to nest in hay meadows and other grasslands, especially those with dense vegetation.(5) You'll find eagles on the beautiful Isle of Skye and ospreys at Loch Garten, nesting red-throated divers in Islay, and corncrakes in Lewis.