Week: Saturday 30th August 2025 - Friday 5th September 2025.

Seawatching efforts added a further 3 species to the 2025 year list to date; Sabine’s Gull, Grey Phalarope and Great Skua.  The 2025 list now stands at 218 (LISTS). 

A big thanks to all those who share details, by whatever means, of their sightings on Anglesey.   

Swans, Geese and Ducks:

Mute Swan

33, at Cefni reservoir (4th).

Pale-bellied Brent Goose

2, at the Alaw estuary and presumably the same then at the Inland Sea (2nd).

21, at Traeth Bychan (2nd).

3, at Penrhos Coastal Park (5th).

Garganey

1, 1st winter drake at Llyn Alaw (1st).

Pintail

2, at the Inland Sea (2nd).

Mallard

c 60, at the Mitigation pool, Inland Sea (3rd).

233, at Cefni reservoir (4th).

Eurasian Teal

15, at the Mitigation pool, Inland Sea (3rd).

19, at Cefni reservoir (4th).

Gadwall

75, at Cefni reservoir (4th).

Tufted Duck

19, at Cefni reservoir (4th).

Pochard

3, at Cefni reservoir (4th).

Shoveler

33, at Cefni reservoir (4th).

Common Scoter

7, flew west past Point Lynas (30th).

60, flew past Cemlyn (3rd).

Goosander

8, at the Inland Sea (2nd).

5, at the Alaw estuary (3rd).

Waders:

Grey Phalarope

1, off Point Lynas (31st).

Curlew Sandpiper

1, at the Alaw estuary (30th).

Green Sandpiper

1, at Valley doors (30th).

Common Sandpiper

2, at Valley doors (3rd & 4th).

1, at Traeth Dulas (4th).

Dunlin

Up to 17, at Traeth Dulas (17 on 1st, 10 on 30th).

Up to 59, at the Alaw estuary (59 on 3rd, 11 on 2nd).

Sanderling

10, at Red Wharf Bay (1st).

14, at the Alaw estuary (5th).

Knot

Up to 3, at Traeth Dulas (3 on 3rd, 1 on 1st).

39, at the Alaw estuary (3rd).

17, at the Inland Sea (4th).

European Golden Plover

7+, on rocks off Cemlyn (4th).

Common Ringed Plover

Up to 48, at Traeth Dulas (48 on 30th, 44 on 1st).

Up to 166, at the Alaw estuary (166 on 3rd, 32 on 2nd).

35, at Cemlyn (3rd).

Common Snipe

Up to 2, at the Mitigation pool, Inland Sea (2 on 3rd, 1 on 4th)

Ruff

5, at Malltraeth cob pool (31st).

Up to 4, at the Alaw estuary (4 on 1st & 2nd, 3 on 31st & 5th).

1, at the Mitigation pool, Inland Sea (3rd-4th).

Spotted Redshank

1, juvenile at the Alaw estuary (31st, 1st, 2nd, 5th).

Common Redshank

Up to 30+, at Traeth Dulas (30+ on 30th, 19 on 3rd, 8 on 1st).

23, at the Alaw estuary (2nd).

Greenshank

Up to 6, at Traeth Dulas (6 on 1st, 2 on 30th).

Up to 15, at the Alaw estuary (15 on 2nd, 13 on 5th).

1, at Malltraeth cob (3rd).

Bar-tailed Godwit

Up to 2, at the Traeth Dulas (2 on 3rd, 1 on 30th).

2, at Red Wharf Bay (1st).

Up to 2, at the Alaw estuary (2 on 3rd, 1 on 2nd).

Black-tailed Godwit

Up to 7, at the Alaw estuary (7 on 3rd, 3 on 2nd, 1 on 5th).

4, at the Mitigation pool, Inland Sea (3rd-4th)

Oystercatcher

425, at the Alaw estuary (2nd).

Whimbrel

1, at Traeth Dulas (1st).

1, at the Alaw estuary (3rd).

3, flew past Traeth Bychan (4th).

Curlew

41, at the Alaw estuary (2nd).

Seabirds and gulls:

Great Skua

1, flew past Point Lynas (4th).

Arctic Skua

3, offshore from Point Lynas (30th).

1, flew past Cemlyn over a 1.5hr seawatch (31st).

1, flew past Cemlyn (1st).

6, flew past Point Lynas (4th).

9, flew past Cemlyn (4th).

2, were off Traeth Bychan (4th).

Black Tern

1, roosting on the beach with c 400 mixed terns at Traeth Lligwy (31st).

1, off Point Lynas (31st).

1, over Cemlyn lagoon (1st).

Sabine’s Gull

2, adults flew south off The Range, Holyhead - 1 at 8am, 1 at 8.05am (31st).

1, adult off North Stack, Holyhead - viewed from Holyhead to Dublin Ferry (1st).

Little Gull

1, adult off Cemlyn over a 1.5hr seawatch (31st).

1, 2nd calendar year at Amlwch Port (31st).

1, 1st winter at Red Wharf Bay (2nd).

Mediterranean Gull

11, at the Alaw estuary (30th).

1, adult winter at Traeth Dulas (1st).

1, 2nd winter at Traeth Dulas (4th).

Kittiwake

364, flew past Cemlyn (1st).

54, roosting on the east and leeward side of East Mouse, Amlwch Port (1st).

Divers & Grebes:

Red-throated Diver

1, off Benllech (4th).

2, flew past Cemlyn (5th).

Little Grebe

2, at the Alaw estuary - first returning for the autumn (2nd).

46, at Cefni reservoir (4th).

Passerines & others:

Garden Warbler

1, at Rhoscolyn (2nd).

1, at Carmel Head (2nd).

Blackcap

1, feeding on elderberries at Gadfa (4th).

Lesser Whitethroat

1, at Hen Borth, Cemlyn (2nd).

Common Whitethroat

1, at Cemlyn (5th).

Sedge Warbler

1, at Carmel Head (2nd).

Cetti’s Warbler

1, at Llyn Llywenan (5th).

Spotted Flycatcher

1, at Rhoscolyn (2nd).

1, at Ynys y fydlyn car park, Carmel Head (5th).

Tree Pipit

1, at Rhoscolyn (2nd).

Whinchat

1, at Rhoscolyn (5th).

Northern Wheatear

1, at the Traeth Dulas (30th).

1, at Point Lynas (1st).

Common Swift

2, over Cors Ddyga (31st).

1, at Porth Dafarch (4th).

Kingfisher

1, at the old brickworks pool, Traeth Dulas (2nd).

1, at the Alaw estuary (2nd).

Raptors:

Osprey

1, at Cemlyn (30th).

1, at Malltraeth cob (3rd & 4th).

1, at the Inland Sea (4th).

Marsh Harrier

1, female at Cemlyn (2nd).

1, at Carmel Head (2nd).

2, at Llyn Llywenan (4th).

Red Kite

1, at Cors Ddyga (31st).

2, at Llyn Llywenan (5th).

Herons, Egrets & allies:

Great Egret

1, at Cemlyn (30th).

Up to 3, at Llyn Alaw (3 on 1st, 1 on 4th).

1, at the Inland Sea (3rd & 4th).

1, at Cefni reservoir (4th).

Cattle Egret

Up to 7, at Cors Ddyga (7 on 4th, 6 on 31st-2nd).

Little Egret

1, at Cefni reservoir (4th).

Coot

221, at Cefni reservoir (4th).

Moorhen

32, at Cefni reservoir (4th).

Water Rail

1, at the Inland Sea (3rd).

Other wildlife:

Clouded Yellow

1, at Cemlyn (2nd).

4, at Rhoscolyn (2nd).

Week: Saturday 23rd August 2025 - Friday 29th August 2025.

Headline birds included the 2nd Red-backed Shike for the year, a juvenile Spotted Redshank and the first Balearic Shearwater for the year.  Balearic Shearwater takes the cumulative 2025 year list to date up to 215 (LISTS). 

Swans, Geese and Ducks:

Pochard

6, at Llyn Alaw (24th).

Eurasian Wigeon

4, at the mitigation pool, Inland Sea (25th).

Mallard

46, at the mitigation pool, Inland Sea (25th).

Eurasian Teal

16, at the mitigation pool, Inland Sea (25th).

45, at the Alaw estuary (26th).

Goosander

3, on Afon Cefni, Malltraeth (26th).

4, at the Alaw estuary (26th).

Waders:

Green Sandpiper

1, at the Llanfachraeth end of the Alaw estuary (25th).

1, at Valley doors (27th).

Common Sandpiper

1, at Cefni estuary, Malltraeth (23rd).

1, at Llyn Alaw (24th).

2, at Church Island, Menai Bridge (25th).

1, at Malltraeth cob pool (26th).

1, at Valley doors (27th).

Little Stint

1, at Traeth y Gribin, west of Llanfwrog (24th)

1, at the Llanfachraeth end of the Alaw estuary (24th, 25th).

Dunlin

Up to 6, at Traeth Dulas (6 on 26th, 5 on 25th).

1, at the Alaw estuary (26th).

Knot

Up to 7, at Malltraeth cob pool (7 on 28th, 2 on 23rd).

Turnstone

1, juvenile at Traeth Dulas (25th).

Common Ringed Plover

1, at Malltraeth cob pool (23rd).

Up to 42, at Traeth Dulas (42 on 26th, 25 on 25th).

25, at the Alaw estuary (26th).

Common Snipe

3, at Malltraeth cob pool (23rd).

2, at the mitigation pool, Inland Sea (25th).

2, at Cors Ddyga (26th).

Ruff

Up to 5, at Malltraeth cob pool (5 on 23rd, 24th, 28th, 2 on 26th).

Up to 5, at the Llanfachraeth end of the Alaw estuary (5 on 24th, 4 on 27th, 3 on 25th)

1, at Llyn Alaw (24th).

1, at Llyn Llywenan (29th).

Spotted Redshank

1, juvenile at the Llanfachraeth end of the Alaw estuary (24th, 26th, 27th).

Common Redshank

13, at Traeth Dulas (24th).

19, at the Alaw estuary (26th).

Greenshank

1, at the Afon Cefni, Malltraeth (23rd).

Up to 11, at the Llanfachraeth end of the Alaw estuary (11 on 25th & 27th, 10 on 24th, 8 on 26th).

1, at Church Island, Menai Bridge (25th).

2, at Malltraeth cob pool (26th).

8, at Traeth Dulas (26th).

1, at Cors Ddyga (26th).

Bar-tailed Godwit

1, at the Alaw estuary (26th).

Black-tailed Godwit

Up to 6, at Malltraeth cob pool (6 on 26th, 3 on 23rd).

1, at the mitigation pool, Inland Sea (25th, 27th).

1, at the Alaw estuary (26th).

Oystercatcher

266, at the Alaw estuary (26th).

Whimbrel

1, at the Alaw estuary (25th).

Curlew

105, at the Alaw estuary (26th).

Seabirds and gulls:

Balearic Shearwater

1, feeding offshore from Point Lynas before flying west (29th).

Mediterranean Gull

1, adult winter at Traeth Dulas (25th - 27th, 29th).

1, at the Alaw estuary (26th).

Divers & Grebes:

Nothing of note.

Passerines & others:

Red-backed Shrike

1, at Rhoscolyn.  Photographed. (24th).

Lesser Whitethroat

1, at Rhoscolyn (23rd).

Common Whitethroat

2, at Gadfa (23rd).

Whinchat

1, at Rhoscolyn (23rd, 25th).

1, at Cors Ddyga (27th).

Common Cuckoo

1, juvenile in coastal bushes at beach entrance west of Llanfaelog (24th).

1, at Point Lynas (27th).

Kingfisher

1, at the Cefni estuary, Malltraeth (23rd).

1, at the Afon Cefni, Malltraeth (23rd).

Raptors:

Hobby

1, at Cors Ddyga (25th).

Osprey

1, at Cemlyn & Hen Borth (24th-26th).

Hen Harrier

1, ‘ringtail’ at Rhoscolyn (25th).

Marsh Harrier

1, at Cors Ddyga (24th, 26th).

1, female at Tyn Llan fields, Cemlyn (26th). 

Red Kite

1, over Gadfa (24th).

Herons, Egrets & allies:

Great Egret

Up to 6, at Cors Ddyga (6 on 26th, 2 on 24th).

2, at Llyn Alaw (24th).

Cattle Egret

Up to 6, at Cors Ddyga (6 from 23rd-26th, at least 4 on 29th).

Water Rail

4, 2 adults and 2 juveniles at Malltraeth cob pool (23rd).

Other wildlife:

Clouded Yellow

2, clouded yellow butterflies were at Rhoscolyn (23rd, 25th).

1, at Cors Ddyga (24th).

3, at Soldier’s Point, Holyhead (29th).