REPORT ON SCOTTISH ORNITHOLOGY IN 19T6 191 



and one immature bird were on Mochrum Loch on 6th October, 

 and two in winter plumage on the Dornoch Firth on 19th October. 



The Slavonian Grebe, Podiceps auritus. About a dozen 

 were seen at Aultbea, Ross-shire, on 4th November. 



The Red-necked Grebe, Podiceps griseigena griseigena. 

 See p. 150. 



The Little Grebe, Podiceps ntficollis ruficollis. One arrived 

 at Castle Lake, Duns, on 30th January, and a pair at Possil Marsh 

 on 6th February (2. viii. 58). 



The Great Northern Diver, Colymbus immer. Is recorded 

 pretty steadily up to mid-April : last seen Kingsbarns 24th April, 

 Holy Island 2nd May, and Luce Bay 20th May. 



The Black-throated Diver, Colymbus arcticus. A pair arrived 

 at their breeding loch in West Inverness on 5th April; on 23rd 

 September an adult in breeding dress and two young birds were 

 seen in Largo Bay, and several near Kingsbarns on 7th and 8th 

 October. 



The Red-throated Diver, Colymbus stellatus. On 29th June 

 several adult and immature birds were seen off-shore near Wick, 

 two at Kyleakin on 3rd September, and two in Lunan Bay on 18th 

 September. 



The Wood-pigeon, Columba palumbus palumbus. Great 

 numbers were seen about Durris (Kincardineshire) during the snow- 

 storm in the first half of March ; one or two Wood-pigeons are 

 reported from the Isle of May on 21st and 22nd March, 2nd April, 

 10th and 21st May, and from Fair Isle on 20th, 21st and 24th 

 April, while a flock of about two hundred and fifty were seen near 

 Old Luce on 20th May, and a flock near Largo on nth July. 

 Single birds are reported from the Isle of May on 9th July and 

 Galson (O.H.) on 16th July, a flock of eighteen from the former 

 station on 26th September, and "many thousands" at Craigdhu, 

 Glasserton, on 23rd November. A movement from E. to W. was 

 noted at Cullen, Banffshire, on 20th December. 



The Stock-dove, Columba cenas. A flock of about a hundred 

 and fifty is recorded from Barsalloch (Wigtownshire) on 21st 

 February, about twenty on Duns Law on 12th March; two went 

 over Largo to the N.E. on 28th April, and a flock of thirty in a field 

 near Old Luce on 20th May. Three or four were seen near Cullen 



