REPORT ON SCOTTISH ORNITHOLOGY IN 1920 153 
recorded from Fair Isle on 19th May, near South Queensferry on 
7th June (1. 1920, 194), and Cambs, Mid Yell, Shetland, on 13th 
July (2. xiv, 94). 
OyYSTERCATCHER, Yematopus ostralegus ostralegus.—Oyster- 
catchers appeared in numbers at Little Ross lantern from 14th to 
18th February (1. 1920, 146), 20/21st and 22nd March (1. 1920, 
147), and 8th, 13th, and 14th April. Arrivals are noted at Foula 
on 26th February, and Lerwick on 2nd April, while a flock of 
80 was seen in Tayport Bay on 29th May, and flocks of 40 and 
120 there on roth June. Migrants were heard flying over Loch- 
winnoch at 2 A.M. on 18th August, and numbers were at the Little 
Ross lantern on 23/24th August, and on 18/19th November. 
RinGED PLover, Charadrius hiaticula hiaticula.—A few were 
at the Pladda lantern on 18/19th February, and from this time to 
13th April there are a good many notes of movement from this 
station, Little Ross, Noss Head, and Lerwick. A Ringed Plover 
struck the Pladda lantern on 16/17th May, and a flock of 40 was 
seen in Tayport Bay on 29th May. 
GOLDEN PLOVER, Charadrius apricariusx—A few arrived at 
Hareshawmuir (Ayrshire) on 5th February, and Golden Plover were 
at the Pladda lantern on 14/15th, 18/19th, and 24/25th February. 
The next notes are on 6th April, and from then to 11th May a large 
movement is recorded from Shillay lantern, Little Ross and lantern, 
Fair Isle, Noss Head and lantern, and Vallay (O.H.). Returns to 
the shore after breeding are reported from 21st July throughout 
August. What would appear to be a considerable immigration from 
overseas took place from 24th September to 27th October, while 
birds at Little Ross lantern on 5th November and Pladda on 7/8th 
November (L.), 21st, 25th, and 26th November, may have been 
emigrating from our shores. 
Grey Plover, Sguatarola squatarola.Single birds are recorded 
from Loch Ryan on 4th December, and Dornoch Firth on 30th 
December. 
Lapwinc, Vanellus vanellus.—Returns to breeding-grounds are 
recorded from 24th January to 21st March, as well as much move- 
ment from our southern lanterns during this period. The movement 
noted after this is almost entirely at our northern Isles and lasts 
up to 22nd April, though the Little Ross lantern records “ small 
waves” of Lapwing on 14th April about 11 p.m. Flocking was 
noted at Collessie on 17th June, and movements coastwards in 
July and August. During September and the first half of October 
many arrivals are recorded from our northern Isles and stations, no 
117 AND 118 U 
