Arctic Tern

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This species has been recorded at locations shown on this map.

See below for details of individual records.



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Red dots on the maps indicate individual records with an accuracy of 1 km or better. Black squares are centred in those 10 km squares of the national grid in which there is at least one record at 10 km accuracy.

Date Gridref Site Quantity Recorder Comment
1981 NR2961 Loch Indaal (unspecified) 90 Newton, S.F 90 pairs breeding in main colony. Max. 30 % success to fledging.
2003 NR284685 Loch Gruinart: Compt AO80 10 RSPB Gruinart staff
2003 NR288726 Ardnave: Compt AN14 14 RSPB Gruinart staff
2003 NR283743 Ardnave: Compt AN41 Eilean Beag 1 RSPB Gruinart staff
2005 NR2866 Loch Gruinart, RSPB Loch Gruinart 6 How, J.
2005 NR2873 Ardnave (unspecified) 6 Fotheringham, C.
2006 NR2970 Loch Gruinart 4 How, J.
2006 NR2873 Ardnave (unspecified) 0 Moncrieff, H.
2007 NR2866 Loch Gruinart 5 How, J.
2007 NR2873 Ardnave 0 Fotheringham, C.
08/07/1949 NR3060 Islay (unspecified location) 0 R.V Terns mostly common but some arctic. Evidence of breeding.
17/08/1957 NR2961 Loch Indaal (unspecified) 15 Walker, A.F.G With common terns.
01/05/1972 NR3362 Bridgend 1 Harrop, J.M 2 eggs. Near little tern colony.
14/05/1973 NR3060 Islay (unspecified location) 0 Pearce, J & K
09/06/1973 NR3162 Rubha Ban, Loch Indaal 0 John, A Around 32 nests. 1 chick hatched by 21/6.
01/07/1973 NR3052 Laggan Bay 0 Langsbury, G
01/07/1973 NR2970 Loch Gruinart 0 Langsbury, G
01/07/1973 NR3062 Blackrock 0 Langsbury, G
30/06/1974 NR1653 Claddach 9 Payne, K On walk between Port Wemyss and Claddach.
30/06/1974 NR2166 Saligo River 2 Payne, K Between Saligo Bay and Loch Gorm.
03/07/1974 NR2974 Ardnave Point 6 Payne, K
01/06/1975 NR5468 Small Isles, Jura 0 Davies, G 2 nests, 1 egg in each.
03/06/1975 NR6588 Ardlussa Bay, Jura 0 Hickling, R.A.O Large numbers feeding well out.
17/08/1975 NR1652 Portnahaven 0 Michael Several fishing.
01/05/1976 NR2661 Bruichladdich 4 Taylor, C.J
04/06/1976 NR2866 Gruinart, RSPB Loch Gruinart 0 Glover, B.R
04/06/1976 NR1651 Port Wemyss 0 Glover, B.R
21/05/1977 NR4653 Claggain Bay 0 Harrison, J.M & V.A
21/05/1977 NR2063 Machir Bay 0 Harrison, J.M & V.A
23/05/1977 NR3062 Blackrock 0 Elliott, R.E. Many.
26/05/1977 NR4653 Claggain Bay 0 Elliott, R.E. Many.
27/05/1977 NR2063 Machir Bay 0 Elliott, R.E. S end.
29/05/1977 NR3062 Blackrock 20 Hickling, R.A.O
30/05/1977 NR3150 Machrie River mouth, Big Strand 0 Elliott, R.E. Few with little terns.
31/05/1977 NR2873 Traigh Nostaig 16 Elliott, R.E. Nearby rocks.
06/06/1977 NR4653 Claggain Bay 0 Robinson, S.T
11/06/1977 NR6496 Glen Garrisdale, Jura 2 Roworth, P Pair.
11/06/1977 NR6386 Lussa Bay, Jura 6 Roworth, P Fishing.
19/06/1977 NR3052 Laggan Bay 0 Langsbury, G
19/06/1977 NR2970 Loch Gruinart 0 Langsbury, G
19/06/1977 NR4653 Claggain Bay 0 Langsbury, G
19/06/1977 NR3062 Blackrock 0 Langsbury, G
19/06/1977 NR1652 Portnahaven 0 Langsbury, G
02/07/1977 NR3059 Bowmore 35 Unknown Between Bowmore and Rubha an t'Saile.
14/05/1978 NR2661 Bruichladdich 2 Elliott, R.E. Aros na Mara.
15/05/1978 NR2465 Loch Gorm E 1 Elliott, R.E.
17/05/1978 NR2855 Laggan 0 Elliott, R.E. Laggan farm/Gartbreck.
20/05/1978 NR3260 Gartnatra, Loch Indaal 0 Elliott, R.E. Some on island.
23/05/1978 NR2456 Eilean Dubh 2 Elliott, R.E.
24/05/1978 NR1653 Claddach 0 Elliott, R.E. Large colony on rocks to SE.
19/05/1979 NR3445 Kilnaughton Bay 0 Elliott, R.E.
21/05/1979 NR2873 Traigh Nostaig 0 Elliott, R.E. Colony on rocks beyond lobster ponds.
30/05/1979 NR4557 Proaig 4 Elliott, R.E. Over shingle beach.
07/06/1979 NR4173 Bunnahabhain 0 University of Cambridge, Extra-Mural Studies. 5 pairs identified in colony with common terns.
07/06/1979 NR1652 Portnahaven 0 University of Cambridge, Extra-Mural Studies. Several feeding.
31/05/1980 NR2961 Loch Indaal (unspecified) 0 Carr, G 5 nests at head of loch.
31/05/1980 NR1864 Coul Point 0 Carr, G 3 nests.
19/07/1980 NR2661 Bruichladdich 0 Campbell, B Small party. One flying juv seen. No birds there on subsequent days.
10/09/1980 NR1553 Frenchman's Rocks 3 Unknown Seen during 5 hours of watching.
12/09/1980 NR3059 Bowmore 8 Unknown 5 imm.
22/05/1981 NR2858 Ceann a'Chlachain, Gartbreck. 0 Elliott, R.E. Around 200 terns, mainly arctic.
03/06/1981 NR3162 Rubha Ban, Loch Indaal 100 Carr, G
04/06/1981 NR1864 Coul Point 0 Carr, G 50+ pairs.
09/05/1983 NR3062 Carraig Dhubh 0 Copley, B & N Too many to count.
23/05/1983 NR2863 Traigh an Luig, Loch Indaal 4 Elliott, R.E. 100m E of spit.
03/06/1983 NR2863 Traigh an Luig, Loch Indaal 0 Elliott, R.E. 15 nests, incubating birds.
29/04/1984 NR2365 Loch Gorm 2 K.N. Pair courting.
29/04/1984 NR3171 Killinallan 2 K.N. Pair.
29/04/1984 NR2872 Tayovullin 1 K.N.
11/05/1984 NR2875 Nave Island 70 K.N.
11/05/1984 NR1652 Portnahaven 50 K.N.
26/05/1984 NR3150 Machrie River mouth, Big Strand 0 Elliott, R.E. Several.
30/05/1984 NR4653 Claggain Bay 2 Elliott, R.E. Pebble bar, disturbed by visitors.
03/05/1985 NR3251 Islay Airport 2 Elliott, R.E. N along beach.
04/06/1985 NR4557 Proaig 0 Elliott, R.E. S of farm.
04/06/1985 NR4557 Proaig 0 Elliott, R.E. On storm beach.
24/05/1986 NR44 Islay (south-east): Lagavulin to Kildalton 3 Elliott, R.E. Along coast between Dower House and Ardmore.
11/06/1986 NR2873 Ardnave 0 Lang, D.C
11/06/1986 NR1553 Frenchman's Rocks 0 Elliott, R.E. Many.
20/06/1986 NR2974 Ardnave Point 50 Elliott, R.E. SE of point.
20/06/1986 NR2873 Traigh Nostaig 50 Elliott, R.E. W of lobster ponds, up and defending.
05/07/1986 NR3060 Bruichladdich to Bridgend, Loch Indaal 0 Entwisle- Baker, S & J
06/07/1986 NR3060 Bruichladdich to Bridgend, Loch Indaal 0 Entwisle- Baker, S & J
06/07/1986 NR3362 Bridgend, Loch Indaal 0 Entwisle- Baker, S & J Between Bruichladdich and Bowmore.
08/07/1986 NR2873 Ardnave 0 Entwisle- Baker, S & J Colony, up to 30 young and 80 adults.
08/07/1986 NR2661 Bruichladdich 0 Entwisle- Baker, S & J
09/07/1986 NR3060 Bruichladdich to Bridgend, Loch Indaal 0 Entwisle- Baker, S & J
10/07/1986 NR2875 Nave Island 30 Entwisle- Baker, S & J
11/07/1986 NR3147 Kintra 14 Entwisle- Baker, S & J
11/07/1986 NR3362 Bridgend, Loch Indaal 0 Entwisle- Baker, S & J Between Bruichladdich & Bowmore.
15/07/1986 NR2873 Ardnave 100 Entwisle- Baker, S & J
17/07/1986 NR3062 Blackrock 0 Entwisle- Baker, S & J
22/07/1986 NR1553 Rubha na Faing 4 Youngs, T
01/08/1987 NR2961 Loch Indaal (unspecified) 0 Collis, M.G
17/09/1987 NR2863 Uiskentuie 2 Unknown
20/04/2003 NR284685 Loch Gruinart: Compt AO80 4 RSPB Gruinart staff
29/04/2003 NR288726 Ardnave: Compt AN14 1 RSPB Gruinart staff
23/05/2003 NR288726 Ardnave: Compt AN14 10 RSPB Gruinart staff
23/05/2003 NR296745 Ardnave: Compt AN25 4 RSPB Gruinart staff
28/06/2003 NR288726 Ardnave: Compt AN14 15 RSPB Gruinart staff Pairs
28/06/2003 NR283743 Ardnave: Compt AN41 Eilean Beag 1 RSPB Gruinart staff Pair
01/04/2004 NR2866 Loch Gruinart, RSPB Loch Gruinart 2 RSPB Breeding pairs
01/04/2004 NR2873 Ardnave 33 RSPB Breeding pairs
14/05/2004 NR3162 Carnain 3 G Morrow Including 2 nests on beach
11/06/2004 NR2972 Tayovullin, Loch Gruinart 55 J How RSPB
14/07/2004 NR2873 Ardnave Farm 4 RSPB Gruinart staff
14/07/2004 NR2773 Eilean Nostaig 4 C Fotheringham RSPB
14/07/2004 NR2972 Tayovullin, Loch Gruinart 2 C Fotheringham RSPB
14/07/2004 NR2972 Tayovullin, Loch Gruinart 2 RSPB Gruinart staff
16/07/2004 NR2866 Loch Gruinart, RSPB Loch Gruinart 2 J How RSPB 2 pairs 2 nearly fledged young
21/07/2004 NR2866 Loch Gruinart, RSPB Loch Gruinart 5 RSPB Gruinart staff WeBS
21/07/2004 NR2970 Loch Gruinart 17 RSPB Gruinart staff WeBS
06/08/2004 NR1553 Frenchman's Rocks 5 T ap Rheinalt >S, 2 hr inc 1 juv, and 1 ad carrying food
29/08/2004 NR1553 Frenchman's Rocks 1 C R McKay, T ap Rheinallt S in 3 h. Tristan stayed for 8.5 h.
30/08/2004 NR2974 Ardnave Point 13 T ap Rheinalt >W, 3 hrs
30/08/2004 NR2370 Sanaigmore 3 C R McKay W in 1 h 10 mins.
11/09/2004 NR1553 Frenchman's Rocks 1 C R McKay S in 3 h 10 mins.
12/09/2004 NR1553 Frenchman's Rocks 2 C R McKay, T ap Rheinallt S in 4h 30mins.
12/09/2004 NR1553 Frenchman's Rocks 2 T ap Rheinalt >S, 5 hrs
14/09/2004 NR2974 Ardnave Point 8 T ap Rheinalt >W, 6 hrs
14/09/2004 NR2972 Tayovullin, Loch Gruinart 3 C R McKay
15/09/2004 NR2974 Ardnave Point 6 C R McKay >W in 2h 15min
15/09/2004 NR2974 Ardnave Point 6 T ap Rheinalt >W, 2.25 hrs
19/09/2004 NR1553 Frenchman's Rocks 17 T ap Rheinalt >S, 6 hrs mostly juvs
20/09/2004 NR1553 Frenchman's Rocks 39 C R McKay, T ap Rheinallt >S in 6h.
20/09/2004 NR1553 Frenchman's Rocks 39 T ap Rheinalt >S, 6 hrs
21/09/2004 NR2866 Loch Gruinart, RSPB Loch Gruinart 2 RSPB Gruinart staff WeBS
21/09/2004 NR1553 Frenchman's Rocks 76 C R McKay, T ap Rheinallt >S in 9h. Largest day count at this site.
21/09/2004 NR1553 Frenchman's Rocks 76 T ap Rheinalt >S, 9 hrs
22/09/2004 NR1553 Frenchman's Rocks 3 C R McKay, T ap Rheinallt Total during 2h 15 mins seawatch.
22/09/2004 NR1553 Frenchman's Rocks 3 T ap Rheinalt >S, 2.25 hrs
23/09/2004 NR2974 Ardnave Point 1 C R McKay
23/09/2004 NR2974 Ardnave Point 3 T ap Rheinalt >W, 1.5 hr
24/09/2004 NR2974 Ardnave Point 5 T ap Rheinalt >W, 1.25 hr
25/09/2004 NR2974 Ardnave Point 2 C R McKay At sea, juvs
25/09/2004 NR3062 Blackrock, Loch Indaal 11 T ap Rheinalt
25/09/2004 NR3445 Kilnaughton Bay 2 T ap Rheinalt
30/09/2004 NR2063 Machir Bay 2 T ap Rheinalt juvs
30/09/2004 NR2062 Machir Dunes 2 T ap Rheinalt juvs
05/10/2004 NR2869 Creag Mhor, Loch Gruinart, RSPB Loch Gruinart 8 C R McKay Migrants entering L.Gruinart (some flying back out again) in 4 h of intermittent obs - so min totals
06/10/2004 NR4369 Port Askaig 2 T ap Rheinalt Seen from ferry
06/10/2004 NR2661 Bruichladdich, Loch Indaal 3 T ap Rheinalt Juvs
06/10/2004 NR2661 Conisby 3 T ap Rheinalt Juvs
06/10/2004 NR2869 Creag Mhor, Loch Gruinart, RSPB Loch Gruinart 6 C R McKay Migrants arriving >S into Loch Gruinart in force 6 NW winds.
06/10/2004 NR1553 Frenchman's Rocks 23 T ap Rheinalt >S, 3 hrs
07/10/2004 NR2974 Ardnave Point 5 C R McKay Migrants >W in 1 hour
22/10/2004 NR2661 Bruichladdich 2 C R McKay
29/10/2004 NR3262 Bridgend Merse, Loch Indaal 1 Julie Hogg (BT)
12/05/2005 NR2866 Loch Gruinart, RSPB Loch Gruinart 22 Gruinart Staff
29/06/2005 NR2866 Loch Gruinart, RSPB Loch Gruinart 4 Gruinart Staff
29/06/2005 NR2866 Loch Gruinart, RSPB Loch Gruinart 12 Gruinart Staff
30/06/2005 NR277726 Ardnave 42 Fotheringham
01/07/2005 NR277726 Ardnave 30 How
01/07/2005 NR2767 Loch Gruinart 12 How
25/07/2005 NR2866 Loch Gruinart, RSPB Loch Gruinart 48 Gruinart Staff
24/08/2005 NR2866 Loch Gruinart, RSPB Loch Gruinart 1 Gruinart Staff
24/08/2005 NR2866 Loch Gruinart, RSPB Loch Gruinart 5 Gruinart Staff
23/09/2005 NR2866 Loch Gruinart, RSPB Loch Gruinart 3 Gruinart Staff
26/09/2005 NR3160 Power Station, Bowmore, Loch Indaal 1 Unknown
28/09/2005 NR2961 Loch Indaal (unspecified) 4 Greenwood, A & Ashall, J
30/09/2005 NR2866 Loch Gruinart, RSPB Loch Gruinart 4 How, J.
08/05/2006 NR3160 Power Station, Bowmore, Loch Indaal 2 Greenwood, A & Ashall, J
16/05/2006 NR2970 Loch Gruinart 6 Gruinart Staff
13/06/2006 NR2970 Loch Gruinart 4 Gruinart Staff
20/06/2006 NR2970 Loch Gruinart 7 How, J.
18/07/2006 NR2970 Loch Gruinart 20 Gruinart Staff
06/05/2007 NR2873 Ardnave 5 How, J.
06/06/2007 NR2866 Loch Gruinart 10 How, J.
16/06/2007 NR3062 Blackrock 0 Batty, T
26/06/2007 NR2866 Loch Gruinart 10 How, J.
13/08/2007 NR2873 Ardnave 12 Gruinart Staff
29/04/2008 NR2767 Loch Gruinart 3 Fotheringham
14/05/2008 NR277726 Ardnave 2 Fotheringham fish pond area
29/05/2008 NR277726 Ardnave 24 How
09/06/2008 NR2767 Loch Gruinart 6 Fotheringham
17/06/2008 NR277726 Ardnave 88 How
30/06/2008 NR277726 Ardnave 80 Fotheringham 60 to 80 terns heading to Nave Island.
17/07/2008 NR2767 Loch Gruinart 11 Gruinart Staff
07/08/2008 NR277726 Ardnave 1 How
09/08/2008 NR277726 Ardnave 5 How
20/10/2008 NR2661 Bruichladdich 2 Andrew Greenwood/Jane Ashall 1Juv following day
22/10/2008 NR2767 Loch Gruinart 1 How
11/05/2009 NR2767 Loch Gruinart 1 Gruinart Staff
30/05/2009 NR2767 Loch Gruinart 28 How
10/06/2009 NR2767 Loch Gruinart 18 How
15/06/2009 NR2767 Loch Gruinart 3 Gruinart Staff
15/06/2009 NR2767 Loch Gruinart 8 Gruinart Staff
16/06/2009 NR277726 Ardnave 60 Fotheringham
25/06/2009 NR2767 Loch Gruinart 23 How
10/07/2009 NR2767 Loch Gruinart 3 Gruinart Staff
10/07/2009 NR2767 Loch Gruinart 11 Gruinart Staff
03/10/2009 NR277726 Ardnave 5 How
05/06/2011 NR3059 Bowmore power station 0 Mark & Sally Johnson
05/06/2011 NR2863 Uiskentuie 5 Mark & Sally Johnson
06/06/2011 NR2558 Port Charlotte 0 Mark & Sally Johnson
06/06/2011 NR3062 Blackrock 2 Mark & Sally Johnson
06/06/2011 NR2661 Bruichladdich 0 Mark & Sally Johnson
06/06/2011 NR2863 Uiskentuie 0.75 Mark & Sally Johnson
11/06/2011 NR3059 Bowmore harbour 2 Mark & Sally Johnson
16/06/2011 NR4653 Claggain Bay 8 Mark & Sally Johnson
28/06/2011 NR3053 Big Strand 0.75 Peter Roberts calling agitated
28/06/2011 NR320504 Machrie River mouth 0.833333333333333 Peter Roberts
25/07/2011 NR2661 Bruichladdich 4 George Jackson
12/09/2011 NR1553 Frenchman's Rocks 6 Peter Roberts
13/09/2011 NR1553 Frenchman's Rocks 6 Peter Roberts