130 THE SCOTTISH NATURALIST 



The Hen-harrier, Circus cyaneus. See p. 102. 



The Sparrow-hawk, Accipiter nisus in'si/s. One is recorded 

 from Noss Head on 27th August. 



The Whooper Swan, Cygnus cygmis. On 15th January seven 

 were seen flying east over Vallay (O.H.); ten Swans, probably 

 this species, at Lerwick on 17th January, several at Kenmure 

 Marsh (Cadder) on 27th and 2Sth February, while on 2nd March 

 three adults and three immature birds arrived at Fossil Marsh 

 where they stayed till 7th April, when they left at 11.50 a.m. going 

 due north. On 13th and 14th March Swans were migrating at 

 night at Lerwick, while on i8th March another party of one adult 

 and two immature birds arrived at Fossil Marsh, leaving again at 

 5 P.M. on 2ist March going east. A single Whooper was seen at 

 Vallay (O.H.) on 24th May, and on 24th August two flew over this 

 station. From i6th October to i6th November passage of Swans 

 was noted at our stations in Orkney and the northern mainland ; on 

 29th October two Swans were recorded at Little Ross going north- 

 west and six flying up the Dee on 13th November, while on 18th 

 November a flock of twenty-six Whoopers was seen off Crook Shore 

 (Wigtown Bay). From 23rd November to 4th December there are 

 many records from our Outer Hebridean stations. 



Bewick's Swan, Cygmis bewickii bewickii. From nth to 15th 

 March five were on Fossil Marsh (i. 19 18, 102). 



The Grey-lag Goose, Anser anser. A flock of five hundred is 

 reported in Wigtown Bay on 19th February, while by 21st July this 

 species had returned to the low ground after breeding at Vallay (O.H. ). 

 On loth September a flock of seventeen had arrived in Wigtown 

 Bay, while by ist October great numbers were at that station. A 

 good deal of movement is recorded between 23rd September and 

 nth November, chiefly from North Ronaldshay and Galson (O.H.). 

 Under the title of "Geese" or "Grey Geese" northward movement 

 is recorded steadily from stations in all parts of Scotland between 

 i8th March and 21st April; five were seen at Lerwick on 3rd 

 September, and return migration was observed in some numbers 

 from 1 6th October to 29th November. 



The White-fronted Goose, Anser albifrons. On 15th 

 January a flock of twenty was seen flying west at Vallay, and on 7th 

 May at the same station about 8 a.m. a flock of eighty was observed 

 going west, and another large flock going due north at mid-day. 

 On 27th September a White-fronted Goose is reported from North 

 Ronaldshay, two at Galson late in September, a flock of twenty- 



