Sunday, 30 August 2026

Southerly force 4 winds were accompanied by Sea State 3, moderate visibility, persistent showers throughout the day, and a top temperature of 19°C.

Overhead visible migration picked up despite the wet conditions, headlined by a large surge of wagtails and pipits. Alba wagtails totaled at least 145 individuals, including 100 moving south (70 at South End and 30 at Narrows), 34 confirmed White Wagtails (including 13 moving south at South End and nine south over North End), and a single Pied Wagtail at Solfach. These were joined by nine Grey Wagtails, 25 Meadow Pipits (nine heading south along the West Coast), two Tree Pipits, and 14 Rock Pipits. Hirundine passage produced 64 Swallows and two House Martins. Grounded passerines and songbirds included 11 Willow Warblers, three Chiffchaffs, three Blackcaps, a Whitethroat on the Mountain, 19 Robins (three trapped and ringed), 20 Wrens (two trapped), 18 Linnets, 12 Woodpigeons, eight Wheatears and six Stonechats

Seabird counting was productive, highlighted by two Little Terns heading along the West Coast alongside 63 Sandwich Terns and four Arctic Terns. Offshore passage also produced 98 Gannets, 37 Manx Shearwaters, 35 Common Scoters off the West Coast, 20 Shags, nine Razorbills, seven Fulmars, and seven Cormorants. Coastal waders were well represented with 55 Oystercatchers, 40 Turnstones, 37 Curlews, 17 Redshanks, 12 Ringed Plovers, 10 Dunlin, three Whimbrels, a single southbound Black-tailed Godwit off the West Coast, a Greenshank at Narrows, and a Sanderling at Carreg yr Henwy. Gulls included 18 Kittiwakes, six Black-headed Gulls, three Mediterranean Gulls, and a Common Gull.

Kittiwake in Solfach (c) Ezra Sherwell

Sandwich Tern in Solfach (c) Ezra Sherwell

Marine mammal activity off the West Coast and South End included 10 Common Dolphins and two Risso's Dolphins. Invertebrate records despite the showers included five Humming-bird Hawk-moths, five Migrant Hawkers, two Common Blues and two Speckled Woods.

Saturday, 29 August 2026

Northerly force 4 winds brought rougher seas at Sea State 3, moderate visibility, steady rain that cleared by 16:00, and a cooler top temperature of 17°C.

The standout bird of the day was the discovery of a Western Bonelli's Warbler in the plantation pines at TÅ· Nessaf. Small passerine migration included a moderate arrival of warblers and flycatchers, including 59 Willow Warblers (35 at Nant), 11 Spotted Flycatchers, five Chiffchaffs, three Blackcaps, a Garden Warbler, a juvenile Whitethroat, and a Pied Flycatcher. Hirundines heading through consisted of 22 Swallows and three House Martins. Wagtails and pipits included nine Alba Wagtails moving north over Nant, five White Wagtails, five Meadow Pipits, and two Tree Pipits and five Robins

Western Bonelli's Warbler (c) Joel Tragen

Seabird movement off the coast produced 100 Manx Shearwaters feeding off the West Coast in the evening, alongside five Sandwich Terns, five Kittiwakes, four Shags, four Cormorants, two Fulmars, five Common Scoters (all drakes heading south), and 10 Gannets. Coastal waders included 31 Turnstones, 29 Curlews, 14 Ringed Plovers, six Dunlin, three Redshanks, two Sanderlings, four Grey Herons, and a Common Sandpiper. Raptors on the island were logged as two Sparrowhawks and two adult Peregrines on the Mountain. Gull counts included a second-calendar-year Mediterranean Gull at Carreg yr Honwy, a juvenile Common Gull, and a Black-headed Gull. 

Cetacean sightings off the West Coast featured 15 Common Dolphins and three Risso's Dolphins. Grey Seal haul-out numbers reached 127 in total across the island with two pups currently present. Invertebrates recorded in the late afternoon after the rain cleared included four Humming-bird Hawk-moths, and a Migrant Hawker.

Friday, 28 August 2026

Early morning fog began clearing by 11:00 AM, eventually reaching good visibility, accompanied by Southwesterly force 3 winds, Sea State 2, brief early morning rain, and a top temperature of 19°C.

Highlight of the day was a repeating appearance by an Ortolan Bunting calling at Narrows, while a Wood Warbler at Nant was also spotted for the second consecutive day. Hirundines heading through included 51 Swallows and two House Martins, accompanied by two Swifts. Wagtails and pipits were recorded with 60 White Wagtails (37 off the West Coast), 11 Alba Wagtails, a Grey Wagtail, 23 Rock Pipits, five Meadow Pipits, and a Tree Pipit. Grounded songbirds and warblers featured 19 Willow Warblers (three trapped), five Chiffchaffs, three Spotted Flycatchers, three Blackcaps (one trapped), a female-type Pied Flycatcher at Nant (presumed the same individual from TÅ· Nesaf seen yesterday), a Sedge Warbler (trapped), and a Goldcrest at the Observatory. Other residents and chats numbered 26 Wrens, 22 Linnets, 12 Stonechats (one trapped in the reedbed), 12 Robins and three Wheatears. 

Seabirds were highlighted by four Roseate Terns flying south off the West Coast, 21 Sandwich Terns, an Arctic Skua passing close south along the West Coast, 28 Shags, 25 Gannets, seven Manx Shearwaters, four Cormorants, and three Kittiwakes. Coastal waders and wildfowl totals included 42 Curlews, 34 Turnstones, 16 Ringed Plovers, nine Whimbrels, nine Mallards, nine Teal flying west over Narrows, eight Dunlin, seven Grey Herons, six Common Sandpipers, six Sanderlings, three Redshanks and a Greenshank. Coastal gulls included 11 Herring Gulls, six Lesser Black-backed Gulls, four Great Black-backed Gulls, three Black-headed Gulls, and a Mediterranean Gull.

Ringed Plover with Turnstone and Dunlin in the background (c) Ezra Sherwell

Marine mammals were represented by 123 Grey Seals logged around the island's haul-outs, including 57 at Henllwyn and 23 at Carreg yr Henwy. Four pups were recorded: two living pups (one at Narrows, one at the South End) and two dead pups at the South End. A single Common Shrew was found inside the house. Invertebrates enjoyed the clearing weather, with nine Speckled Woods, three Migrant Hawkers, a Small Copper, and a Humming-bird Hawk-moth.