Hirundinidæ, Swallows.--Dates of arrivals are as follows:--March

30th, at Corsewall. It is worthy of note that I observed a Swallow

at Glendoune Girvan hawking for insects as late in autumn of 1884 as

Nov. 8th (see East Coast Report). May 11th, three seen at Rhu Stoir

(an early arrival for Sutherland W. coast, J. A. H. B.), light south,

one seen at Skerryvore, light S.E.; 17th, one at Skerryvore, fresh,

S.W.; 14th, three at Lamlash; 19th, several all day at Rhinns of Islay,

light S.E., haze; 21st, one seen at Rhu Stoir, light S.; 22nd, two Sand

Martins at Barra Head; June 3rd and 4th, two Sand Martins at Barra

Head, light N., cloudy; 19th, two Swallows at Kyleakin, flying S.,

light S. and clear; 22nd, one Swallow at Rhu Stoir, light fog and rain;

29th, great numbers (rush) flying around at Mull of Galloway, and ditto

flying E. at same place on 30th; and on 30th one seen at Cape Wrath; in

July, eight Swallows on 3rd and "scores" on 4th (probably local at Mull

of Galloway, preparing for departure); one at Langness on. 25th; in

August, flock at Langness of Swallows on 20th, and another on 25th; in

September, several on 5th, at Langness, and on 8th and 10th, and single

records at same place, and at Rhinns of Islay on 29th and 30th; in

October, a large flock of Swallows and a party of twelve at Langness,

and a flock at Chickens Rock on 6th; a flock of twelve on 19th at

Langness, the latest record.

Fringillidæ.--Very few returns in spring. A few Grey Linnets on May

12th at Skervuile, and a few at Rona, Skye, on 26th, being all. In

autumn, a rush, and earliest record save one, at Rhuvaal, of young

Grey Linnets flying W. on Aug. 20th, and a few same day at Skervuile.

The earliest date is a flock at Isle of Man (Langness) on July 29th.

Latest record on Nov. 19th of Green Linnets, a rush of 700 or 800, and

rushes between 4th and 19th, all at Langness. Bushes during latter end

of October at Langness, and sufficient indications at several stations

N. of Clyde, as Kyleakin, Skervuile, and Rhinns of Islay. This species

bulks largest in all the schedules. Other species noticed are Sparrows

(large flock at Langness, Oct. 13th); "Mountain Sparrow" (true Tree

Sparrow), one at Rhinns of Islay; "Small Linnets" (Twites or Redpoles?)

at Rhinns of Islay, Oct. 21st; Chaffinch, a few stray entries at

Dhuheartach, one found dead on rock on Nov. 2nd, others seen on 17th

and 19th (male), and a flock at Langness on Oct. 3rd.

Emberizidæ, Buntings.--Snow Buntings in spring, 203 on 14th to 17th

March at Barra Head; a large flock at Rhu Stoir on 16th, and one

female, same place, on 24th; flock at Monach Isles April 4th; one

female at Rhu Stoir as late as June 2nd, fresh various rain. In

autumn, records light everywhere. One in October only at Barra Head;

ten on Nov. 2nd at Cape Wrath; ten on 7th at Barra Head; odd birds

at Skerryvore and Dhuheartach on 16th, and an apparent rush or local

flight of fifty on Island at Rhinns of Islay on 14th, and a number

(with Thrushes) on 16th at same place.

Alaudidæ, Larks.--Autumn migration of 1883-4 continued with some force

into January, 1884, especially noted at Kyleakin, or these may have

been local flights. In spring, Larks occur sparingly at same time

as Thrushes and Starlings. Feb. 1st, at Lamlash, and Feb. 19th at

Skerryvore; also nine (three killed) at latter station March 10th;

no more till June 15th; "Larks" at Skervuile, and four on 29th at

Dhuheartach. In July, four at Dhuheartach. In autumn, earliest record

at Dhuheartach on Aug. 1st, the only record that month; then only a

single bird all September, on 21st, at Langness. Latest record, October

24th, a few at Rhinns of Islay. The rush was very great, and took place

between the 14th and 21st October, or perhaps more compressed still

between the 14th and 19th Oct. The whole duration of time in which

Larks migrated is thus very limited this season, _viz._, between Oct.

14th and Oct. 24th, the latest date given. During the rush, which was

observable principally at Rhinns of Islay, north of Clyde, the wind

was northerly or north-westerly, the same as on the East Coast at the

same dates, which accounts for the body of the rush penetrating more to

the north and reaching further than in other winds. At Rhinns of Islay

hundreds, and on 19th thousands were seen, wind fresh W. to N.W. All

flying west. On the East Coast the winds favourable to their continued

flight prevented my observing them in any great numbers at Isle of

May, but there can scarcely be any doubt these great flights passed up

the Firth of Forth, as we had plentiful opportunities of seeing almost

continuous indications of their presence at the above dates on the Isle

of May. The stations returning Larks are Skerryvore, Dhuheartach, and

Rhinns of Islay, and Langness (only a small record on Oct. 2nd). Query,

will our Irish Coast returns show the continuance of this flight of

Larks?

Sturninæ, Starlings.--Spring, rare indications at Rhu Stoir, March

25th (probably local), one female, and at Lamlash, one on April 1st,

and March 2nd one killed, and at Corsewall on Feb. 19th, struck along

with Thrushes and Larks. The latter record may have been an indication

of real migration, the others are most likely local only. In autumn,

earliest Aug. 12th, at Isle of Man, a flock; on 23rd, a number at

Rhinns of Islay, culminating in hundreds and hundreds on August 30th at

Langness (Isle of Man), and again in hundreds and hundreds at Langness

Sept. 18th, and indication by a flock at Mull of Galloway. Again, in

October, rushes evident it may be said between 18th and 23rd, and on

29th, observable at Kyleakin (on 18th), at Mull of Galloway on 22nd and

23rd, "flocks," and on 29th by 200 or 300 at Rhinns of Islay. Another

rush along with Thrushes, &c., dating Nov. 14th, at Rhinns of Islay.

Indications of movements also at Kyleakin and Dhuheartach on Nov. 1st

and 2nd. Latest, a solitary record on Dec. 24th at Lamlash. Migration

of this species we may designate in 1884 as short, sharp and decisive.

Corvidæ, Crows.--Spring: movement of Carrion Crows, Ravens and Rooks

few, and only in February and March. In February, "Black Crows" at

Barra Head, one on 23rd, and fifteen on 14th and 15th, fresh S.E. and

strong E.; also Carrion Crows at Skerryvore (three, "very seldom seen")

flying around, fresh S. clear. Ravens, two at Cape Wrath (probably

breeding in the neighbourhood, at Craig Riabhach), light S.W. haze; and

one at Skerryvore flying N.E. Rooks at Rhu Stoir, probably belonging to

one of two rookeries in N. and W. of Sutherland, _viz._, at Cama Loch

in W. Cromarty, or at Tongue. In autumn, from 1st to 25th Aug., a very

large flock, mostly young, feeding daily around Rhu Stoir (probably a

local visitation from Cama Loch or Tongue), but Tongue Rooks are known

to feed, regularly in winter at Far-out Head in the neighbourhood of

Durness, and in severe winters are seen going there and returning in

evening. The Rhu Stoir birds are therefore more likely to belong to the

Cama Loch rookery. At Chickens Rock, Isle of Man, a number of Rooks

flying W. towards Ireland on 11th August. No records in September. In

October, Hooded and Carrion Crows flying W.S.W. for Ireland at Rhinns

of Islay, and a few seen for days at Langness, feeding, about the same

time. Records continue to increase in November, a rush of hundreds

and thousands at Rhinns of Islay by 13th, continuing in force up to

17th and 18th, flying east on 13th, but resting or flying S.W. on

17th and 18th, along with enormous rush of Curlews, Woodcocks, Snipe,

Sandpipers, Larks, Redwings, Thrushes, Starlings, Blackbirds, and a few

Jacksnipes. Latest record on 19th. Also Ravens same dates, a few, and

Jackdaws on 16th and 1st Dec. at Skerryvore and Dhuheartach.

Cypselidæ, Swifts.--On July 20th, about twenty flying S., strong E.,

rain and haze, at Skervuile, and at same station a few along with

Swallows, light E. and clear.

Cuculidæ, Cuckoo.--In spring, arrivals as follows:--At Rona Skye, May

11th, first heard, light S.W. Kyleakin, May 10th, first heard, moderate

S.S.W., haze. Sound of Mull, May 8th, first heard, moderate S.W.,

clear. Skervuile, May 10th, first seen, light E. Rhinns of Islay, May

19th, first seen, fresh E., clear. Lamlash, May 12th, first heard.

Corsewall, May 11th, first heard. Autumn, Barra Head, June 28th, 1

first seen. Mull of Galloway, 1 first seen in July. Autumn records of

Cuckoos scarce during six years' records.

Strigidæ.--Spring, April 28th, one Brown Owl for three days at

Skerryvore; and 1 Owl in May (probably Short-eared Owl) at Dhuheartach.

No autumn records.

Falconidæ.--At Skerryvore, one Sparrow Hawk on 29th. At Cape Wrath,

Game Falcon and a "Small Hawk" (Merlin?) on the coast all the year

round. In autumn, fewer records than usual on predatory visits. One

Falcon on Aug. 28th at Rhuvaal. Sparrow Hawk on 1st, and again on

19th, at Skerryvore; one on Oct. 15th and 16th at Dhuheartach; and

one Sparrow Hawk resting on sun-dial on 9th. One Eagle seen at Erraid

("rarely seen here") in November.

Pelicanidæ, Gannet.--Records in order of dates:--At Skervuile, March

10th, one flying S., fresh S.E.; 14th, one flying N., S. gale. Rhu

Stoir, April 25th, five fishing, light S.E., clear. Skervuile, April

16th, one flying N. (local?). Rona, May 25th, twelve, W. clear; 29th,

one, strong N., clear. Kyleakin, June 20th, in flock flying E., E.

clear. Lismore, 22nd, flying S., various, light, clear. Dhuheartach,

July 4th, one; 20th, flying S. Skervuile, 6th and 7th, Solans flying

S.; 23rd and 24th, Solans flying S. Little Ross, July 9th, three flying

W. from the Solway. At Rhu Stoir, Aug. 28th, rush, and passed daily in

flocks flying N. up to the middle of August (see directions of flight

at Pentland Skerries, E. Coast). During the rest of August, 24th to

30th, records are given from Rhuvaal, Skervuile, and Lamlash and Little

Ross, but directions of flight are omitted under the dates given (see

records off Cape St. Vincent). In September, a flock flying W. at

Langness on 21st, a single bird flying N. at Barra Head, and two flying

S.E. on 6th; and a late record at Lamlash on Nov. 6th (marked "late").

Anatidæ, Ducks, Geese, Swans.--Spring records of "Wild Geese" are six

flying S.E., wind E. and snow, at Kyleakin (local), and two on March

23rd flying S.W. In April, 17th and 21st, two or three flying W. and

flying S. Autumn ditto of Wild Geese, numerous. Earliest, Aug. 21st,

flying S., at Kyleakin. Latest, Dec. 9th, six flying S. at Lamlash.

Other records in Oct., but no rush evident. Of Eider Ducks there are

many records. Earliest at Rhinns of Islay, seventeen males and females

on Aug. 6th. Latest December 14th, seven males and seven females flying

S. on 3rd, and six on 22nd at Rhinns of Islay. Greatest numbers seen

at Rhinns of Islay Oct. 29th, when at least 200 were seen at 7 a.m.,

and 100 at 9 a.m. In November the "first seen this fall" at Skerryvore

on 1st, and large flock on 6th flying S., and others at Dhuheartach.

Other species are Sheldrakes (breeding at Rona), arrived in May;

Barnacle Geese, thirteen at Barra Head on Oct. 13th, resting. Wigeon,

one female, at Rhinns of Islay, on Aug. 23rd. Of Swans, two flying N.,

seen at Sound of Mull on June 2nd, with light N.W. airs. Barnacle Geese

identified by head sent me.

Columbidæ.--Two Rock Doves flying S. (local) at Kyleakin, and six Wood

Pigeons at same place on 22nd, flying S.S.W., moderate S. wind. In

August, five doves flying E. at Rhuvaal; and in December, at Rhinns of

Islay, 300 flying south, about one mile inland, light W., haze.

Rallinæ, Corn Crakes, Water Rails, &c.--Only spring record: a Corn

Crake at Barra Head on 6th June. Only autumn records: one killed at

lantern of Mull of Galloway, and one Water Rail killed at Rhinns of

Islay (sent to me in the skin, J. A. H. B.) on 23rd October.

Charadriadæ.--Large flocks of Golden Plover arrive on the coast around

Rhu Stoir during winter, when snow lies inland, and are seen onwards

after March 12th and 15th, 1884, at same station. In autumn, records

of Golden Plover unusually scarce; single ones at Sound of Mull, Sept.

19th, and Rhinns of Islay, Sept. 18th. Large flocks begin to arrive at

Rhu Stoir ("to come towards the shore") early in November, remain all

winter. At Rhinns of Islay, two "Gray Plovers," marked "rare," seen on

Oct. 6th. Usual records of Oystercatchers, not so abundant or general

as usual.

Lapwings.--One seen Feb. 15th at Barra Head; twenty on March 15th at

Rhu Stoir, and one or two single ones there on 7th and 11th; and two

on April 2nd. No great movement recorded in autumn. Rhinns of Islay,

10 flying about on 24th August and seven resting at Barra Head on 7th

October.

Scolopacidæ, Woodcock, Snipe, Curlew, Whimbrel.--Woodcock: Earliest

in autumn, Oct. 9th, one shot at Mull of Galloway. Latest, Nov. 18th,

one at Dhuheartach, resting. Indication of more general movement

between 15th, 16th, to 23rd Oct., but very slight, at Barra Head, one

on 19th at Skervuile, Rhinns of Islay, and at Dhuheartach. Snipe: Only

some three records; in September one at Skerryvore, in October one at

Dhuheartach, and in August two at Rhinns of Islay, killed. Curlews:

Numerous records from July on to November at many stations. Whimbrel:

One noticed at Langness in August. A few records of Sandpipers (see

notes under stations at Skervuile.)

Sterninæ, Terns.--Arrivals in spring: At Rona, a rush of 200 arrived

on May 11th, light S.W. and clear. At Skervuile, one first seen on May

23rd, calm; a number arrived between 24th and 31st, light, various. At

Kyleakin, Terns first seen 26th June, strong S. At M'Arthur's Head,

Terns first seen 18th June. At Rhinns of Islay, Terns first seen 23rd

and 24th July, light S.W. Query, return Journey? In autumn: Terns seen

11th and 12th at Skervuile; and more on 18th; and at Chickens Rock

large quantities flying north on August 8th. Last seen at Kyleakin on

September 6th.

Laridæ.--Considerable movements of Gulls of sorts from July 5th on

to winter. Black-headed Gulls are marked as "very few this year" at

Skervuile. Continuous flocks flew E. past Barra Head on Sept. 6th.

Continuous flocks flew N.W. past Sound of Mull in August. Skervuile

returns "numbers" about the middle of August. At one station, _viz._,

Skervuile, the following are their recorded movements: in variable

but prevailing N. to N.W. winds till Nov. 17th; thereafter light N.E.

In August: 19th, one Boatswain Gull; 26th, flock of Herring Gulls;

31st, flock of Gulls. September, two records of flock of Terns, and

Kittiwakes. Oct. 16th and 17th, ditto, ditto. November, on three dates

Boatswain Birds and Kittiwakes. At Stoir Head vast flocks of Common

Gulls and Herring Gulls passed N. Herrings "set into" Lochs Coul

and Dhu, a little to the north of this, about this time, December,

1884, which locally accounts for this rush. Most of the Common Gulls

were young. At Rhinns of Islay two "one-year-old Iceland Gulls" with

hundreds of other Gulls flying about. We are particular in recording

Gull returns, as this was an extraordinary Gull year on the East Coast.

Procellariidæ.--On July 26th one Storm Petrel on lantern at Barra Head,

the earliest record of any for six years, light E. with fog. One ditto

at Stoir Head (rare) in August, and one on Sept. 3rd at Lismore (also

rare), killed, light N.W., haze.

Alcidæ, Razorbills, Guillemots, Puffins.--On Feb. 23rd, increased

from 20th to date at Barra Head. "Marrots" and Razorbills, all March

6th to 8th, 14th to 17th, 23rd to 24th and 29th, winds light S.E. and

S.W. In April: 4th to 11th, rush at Barra Head, various, N.E., clear,

and Puffins; a few on 9th; 17th to 22nd, a few only of Marrots and

Razorbills seen. On May 6th and 7th, Puffins, Razorbills and Marrots

(Marrot or Guillemot) arrived in great numbers; and at Kyleakin two

Tysties (_i.e._ Black Guillemots) seen flying S.E. In autumn, all left

Barra Head except a few by Aug. 20th, but reappeared for a day on 30th,

on which day all the Puffins left, light S.W. In October, continuous

flocks of Puffins flying S. before a north gale at Rhinns of Islay, on

October 12th.

General Remarks.

During the past six years' Migration Reports we have to thank many of

our correspondents for the regularity with which they have acceded to

our requests. Specially must we thank the following for the unbroken

series of schedules during the past six years, _viz._: Sumburgh Head,

six years, Messrs. William Anderson (1879 and 1880), John Wilson (1880,

1881, 1882), D. M. Scott (1883 and 1884). Pentland Skerries, six years,

D. MacDonald (1879, 1880, 1881, 1882, 1884), and Mr. J. Gilmour (1884).

Dunnet Head, Caithness, five years, George McLachlan, (1879, 1880

blank), David Laidlaw (1881, 1882, 1883, 1884). Bell Rock, James Jack

(1879, 1880, 1881, 1882, 1883, 1884). Isle of May, Joseph Agnew, six

years (1879, 1880, 1881, 1882, 1883, 1884).

These stations are situated as follows:--

Sumburgh Head 300 feet high white fixed light.

Pentland Skerries 170 feet high white fixed light.

Dunnet Head 346 feet high white fixed light.

Bell Rock 93 feet high white and red revolving.

Isle of May 240 feet high white fixed light.

Were Bell Rock also a _fixed white light_, no doubt returns would be

equally extensive, or greater, possibly, than Isle of May. The white

fixed lights have superiority; and when this is combined with low

height over the sea and insular position, the best conditions appear,

and are only to be beaten by floating light-ships. The flash lights

have little chance to compete.

Next let us also thank the following correspondents:--At Whalsea

Skerries, 3 years, Neven Kerr (1880, 1881, 1882). N. Ronaldshay, four

years, John Tulloch (1879, 1880, 1881, 1882). Cromarty, R. S. Ritson,

four years (1880, 1881, 1882, 1883).

This class of stations are situated as follows:--

Whalsea Skerries 148 feet white, revolving every minute.

N. Ronaldshay 180 feet white, revolving every ten seconds.

Cromarty 60 feet red, fixed (in the town).

_Revolving_ lights, whatever the height, yield fewer returns than

_fixed_, but are better than flash or red sectors.

We also thank those who, situated at still less likely stations, have

nevertheless taken an interest in our work.

_Bressay_ sends one year's return (1882); 105 feet; red and white,

revolving every minute.

_Ross Head._--One year (1883), A. Greig; 175 feet; white and red

revolving, every half minute.

_Kinnaird Head._--One year (1884); a blank schedule, valuable on

negative grounds; 120 feet; white and red sectors, fixed.

_Girdleness._--Two years (1880 and 1884); 185 feet; white fixed. Thomas

Gallie and J. McAlister. The situation is said to be unfavourable,

apart from light or altitude.

Finally, taking the remaining lights which have returned no years

schedules, we will analyse their positions, &c.

_Start Point._--80 feet; red, fixed. Class V.

_Hoy Sound._--(55 and 115). Low, white, fixed, facing N. High ditto;

red and white sectors, fixed. V.

_Cantick Head._--115 feet; white, revolving every minute.

_Holborn Head._--75 feet; white and red flash, 10 seconds, facing N. V.

_Tarbat Ness._--175 feet; white intermittent, 2½ minutes. It is not

quite clear to me yet why this station should not yield returns (see

map), unless it be considered partially land-locked from E. and S.E.

_Buchan Ness._--130 feet; white flash, every 5 seconds; and close to

fishing village.

_Montroseness._--124 feet; white, fixed; but amongst houses. V.

We think the above analysis places almost beyond doubt that the best

position for a lights to attract birds is in a light ship (witness the

E. English Coast returns); next, an island of low elevation; next, an

island of considerable elevation, if facing east, not if facing north;

and that the worst are those at high elevations, and especially if

facing otherwise than E., on the East Coast, or on East Coast Islands,

or those in midst of towns, or in land-locked situations; that the best

description of light is "white, fixed,"--in fact, the brightest. Thus

in many instances we consider that it is owing to position and nature

of lights to a very considerable extent that we receive more schedules

from some stations than others, and none at all from the least likely,

whereas on the English East Coast all light-ships are almost equally

good as regards position.

Yet we do not allow that this is entirely the cause of least and

greatest migration at different points, because we now know well

enough, from land data, that certain tracks are preferred to others,

and that these tracks over land have very strong connection with the

East Coast Scotch principal stations, as we think our Reports will show.

As regards the influences of winds, &c., sufficient has already been

said on this head throughout the Reports, and every succeeding schedule

goes to prove our previous ones.

Analyses of the West Coast schedules almost always show much lighter

returns than those from the East Coast, even from the best West

Coast stations. Our previous five years' experience in great measure

explains why it is so, and it seems natural to expect lighter returns

on the West than on the East in most winds or weather. But, having

regard to the said experience and the facts of migration which may

now be said to be ascertained and certain, there are also one or

two additional causes for the light nature of West Coast returns as

against East Coast ones; while on the latter, the lights which give

the greatest illumination, if in other respects suitably exposed,

give the heaviest returns; on the former, it seems that the positions

of the various stations have more to do with these. Thus most of the

East Coast stations face the east, whence come the birds naturally,

and while on the west birds travel from N.W. towards S. or S.E.,

the extraordinary variety of situations, and the equally great--or

nearly so--variety of lights of no great power and brilliancy, must

undoubtedly influence the quantities of birds visible on migration. And

we find that while such stations as Kyleakin (white and red, fixed),

Isle Ornsay (white, fixed), Sound of Mull (red, green, and white

sectors), Corran Ferry (red and white sectors, fixed), &c., give small

returns, or none at all, this is resultant upon their positions even

more than their brilliancy or absence of brilliancy. And we find that

the best situated stations, such as Monach Isle (though only upper

white flash, and lower, red fixed) gives better, though uncertain,

returns, and Skerryvore (white revolving) and Dhuheartach (white

and red sector, fixed), and Rhinns of Islay (white flash every five

seconds) seem to be the surest stations north of Clyde. Indeed it is,

perhaps, almost certain that most of the land-locked stations of the

West Coast should be marked with the symbol of lowest value, V. South

of Clyde, undoubtedly, we get more into the great groove of migration

which crosses Scotland from the Firth of Forth, and if not yet so heavy

as, for instance, at the Bell Rock, Isle of May, in all the years

till 1884, yet we have more decided indications of rushes and throbs

keeping time with the East Coast movements. When to this we add a less

indented coast line, open lights, and, on the whole, greater power

and brilliancy, we expect to find all the conditions more favourable.

That this is the case our schedules for 1884 show decidedly, and even

swamp the East Coast returns for the first time in our experience.

When we come to the Isle of Man, where the Irish Channel contracts

considerably, we again find heavy rushes of birds, equalling or

exceeding those at such stations as Skerryvore and Dhuheartach and

Rhinns of Islay. Of these Langness sends the heaviest returns, but we

have there now a trained reporter, Mr. Robert Clyne, who was previously

under Mr. Agnew at the Isle of May. Mr. Clyne's eager application to

the subject now stands us in good stead.

Report on the Migration of Birds in the Spring and Autumn of 1884. Sixth Report (Vol. II No. 1) · 第 8 / 16 段