A south‑westerly wind at F4 held throughout the day, with a sea state of three and good visibility. No precipitation fell and the temperature reached 16 °C.

The first Thrift Clearwings were seen on the wing with six around the East Side, along with a Blue‑tailed Damselfly was on the East Side. A female Broad‑bodied Chaser was at Nant, likely the same individual seen in Cristin Garden on the 26th.

Female Broad-bodied Chaser © Joel Tragen

A Grey Heron was at Pwll Gareth. Two Sparrowhawks were recorded and a Peregrine was seen over the Mountain.

Two Whimbrel were recorded with one at Solfach and one along the West Coast. A Sandwich Tern was also seen from the Narrows. A Racing Pigeon was at the North End. 

Puffins © Saffron Forrester

Five Swifts were recorded with four over the Narrows. A total of 38 Swallows and 27 House Martins were recorded, a mixture of the breeding population and migrants moving through the island.

Low number of warbler were detected today with only eight each of Sedge Warblers and Chiffchaffs were recorded.

Three Chaffinches were at Nant along with a Siskin, and five Linnets were recorded.

A south‑westerly wind at F4 held through the day, with a sea state of two. Visibility was good in the morning before becoming misty and poor in the early afternoon, then improving to moderate later on. No precipitation fell and the temperature reached 14 °C.

A handful of migratory moths remained with two Humming‑bird Hawk‑moths recorded along with 19 Silver Ys and six Diamond‑back Moths. A Blue‑tailed Damselfly was seen along the West Coast.

Knot Grass © Joel Tragen

A Kestrel was seen on the Mountain. Two each of male Sparrowhawks and Peregrines were seen.

Two summer-plumage Golden Plovers were seen at the South End. A Ringed Plover was at Solfach with a Dunlin which was later seen at Henllwyn. A Common Sandpiper was along the West Coast and a total of four Whimbrels were recorded. Two Sandwich Terns were seen at Traeth Ffynnon.

Two Collared Doves were recorded with a bird at Nant and another in the Withies. A Skylark was heard from the West Coast. A total of 36 Swallows and 19 House Martins were present.

Female Blackcap © Joel Tragen

Two Garden Warblers were seen between the Withies. Other warblers included 11 Sedge Warblers, a Blackcap, 13 Chiffchaffs and four Willow Warblers. A Spotted Flycatcher was at Tŷ Pellaf.

Two Lesser Redpolls were recorded flying over. Three Goldfinches were noted and a total of 31 Linnets were recorded, including a family of five in the Lowlands.

An easterly wind at F2 held throughout the day, with a sea state of two and very good visibility. Thundery showers arrived in the late afternoon and evening, and temperatures reached 24 °C.

Large numbers of Painted Ladies were still present with 275 total, including 200 at the South End. Two Speckled Woods were seen at Nant. As with the Painted Ladies, large numbers of Silver Ys remained, totalling 104. Three Rush Veneers were also recorded.

Pseudophloeophagus truncorum, a nomadic Weevil of Driftwood with only 42 UK records, found by Cameron on Solfach © Cameron Wilkins

The first Storm Petrel of the year was recorded, calling from a burrow in Seal Cove.

A Grey Heron was at Pwll Cain. Two Peregrines were recorded with a male over Cristin and a female on the East Side.

Two Dunlins were recorded along with a Whimbrel. Four Sandwich Terns were offshore.

Five Collared Doves were recorded with singles and pairs seen at several sites during the day and a total of four seen flying over the mountain in the afternoon. An Asio sp. was seen along the West Coast in the early hours.

Three Swifts flew over the Mountain. A total of 22 Swallows and 39 House Martins were recorded on the island. Whilst running nets at Nant, Joel had a male Grey Wagtail fly over heading South.

Six Sedge Warblers, a Whitethroat, nine Chiffchaffs and a Willow Warbler were recorded across the island. Three Spotted Flycatchers were present, all at Nant.

Spotted Flycatcher © Joel Tragen

Four Chaffinches were recorded with one trapped at both Nant and Cristin, a further two were at Nant. Three Siskins and a Lesser Redpoll were recorded over, 13 Linnets were seen.

A northerly wind at F4 held throughout the day, with a sea state of two and very good visibility. No precipitation fell, and the temperature reached 22 °C.

Eight Common Dolphins were offshore along the West Coast.

A major arrival of Painted Ladies with 663 counted from just a couple of locations across the island, the true number is likely to be far greater, 300 alone were counted from a Thrift bank on the South End. 48 Red Admirals were also sighted with the clouds of Painted Ladies. The large arrival wasn’t limited to Butterflies with a lot of migratory moths also seen, 228 Silver Ys were counted with 172 on the East Side along with 15 Diamond‑back Moths. A female Broad-bodied Chaser was spotted by Bethany at Cristin; there are very few records from the island, all from 2016 and likely made up from a handful of individuals, making this a very noteworthy record.

Female Broad-bodied Chaser sat atop a mist-net pole © Steve Stansfield

One Grey Heron was in the Wetlands. A Hobby was seen in Cristin garden eating a Meadow Pipit early morning before flying South. A Kestrel was hovering over the Wetlands in the afternoon.

The only waders of note were two Whimbrels, one along the West Coast and another on the Narrows.

Oystercatcher © Joel Tragen

Ann, who is staying at Cristin, had a Red‑rumped Swallow bomb, low through the South End heading north. Four Swifts were recorded flying through the island. A total of 22 Swallows and 14 House Martins were recorded. Two White Wagtails flew over Cristin.

A Reed Warbler was trapped in the Withies along with a Sedge Warbler. The warbler totals were: eight Sedge Warblers, two Whitethroats, five Chiffchaffs and a Willow Warbler. Four Spotted Flycatchers were recorded with one trapped at Cristin.

Three Lesser Redpolls and a Siskin were recorded, along with a Goldfinch and 26 Linnets.

A westerly wind at F2 held throughout the day, with a sea state of one and good visibility. No precipitation fell, and the temperature rose to a sweltering 28 °C.

A good arrival of migratory butterflies and moths today. A total of 17 Red Admirals and 30 Painted Ladies were seen. A Rush Veneer, eight Silver Ys and 16 Diamond‑back Moths.  A total of 27 Green Tiger Beetles were also of note.

Creophilus maxillosus (Hairy Rove Beetle) © Cameron Wilkins

Two Grey Herons were seen squabbling at Solfach. A Buzzard was seen heading south over Nant, later being seen over Tŷ Pellaf. Three Peregrines were seen on the East Side, with the resident male chasing off another adult male which flew in from over the sound .

A Black‑tailed Godwit was seen in Henllwyn early morning. A Whimbel and a Curlew were along the West Coast.

Five Collared Doves were at Nant and a Racing Pigeon was at the Cristin.

A Red‑rumped Swallow was seen by Joel from the office window at Cristin. A Swift was also seen from Cristin. A total of 26 Swallows and 22 House Martins were recorded. A Tree Pipit was heard over the East Side.

Two Reed Warblers were trapped, one each at Nant and Cristin. Six Sedge Warblers, two Whitethroats, three Blackcaps, eight Chiffchaffs and a Willow Warbler were recorded. Two Spotted Flycatchers were recorded with one trapped at Cristin.

Spotted Flycatcher © Joel Tragen

Two Siskins dropped into Nant and two Lesser Redpolls were recorded elsewhere. A Chaffinch was at Cristin. Elsewhere four Goldfinches and 13 Linnets were seen.

An easterly wind at F2 held throughout the day, with a sea state of one and good visibility in the afternoon. Thick fog persisted through the morning before clearing by around 1400. Temperature rose to 22 °C, making for a very humid day.

Ruby-tailed Wasp (Chrysis sp.) © Cameron Wilkins

An arrival of Painted Ladies with 47 seen, included 40 on the East Side along with a Humming‑bird Hawk‑moth. Eight Silver Ys were recorded across the island and a total of 34 Diamond‑back Moths were recorded.

A Little Egret flew south along the East Side and a Grey Heron was at Pwll Cain. Two Sparrowhawks and a Peregrine were present.

Two Purple Sandpipers were seen flying into Henllwyn and a Redshank was in Solfach. Two Whimbrel were at the Narrows. Four Curlews were recorded flying over with one at Nant and three at the Wetlands.

Colour-ringed Lesser Black-backed Gull seen whilst conducting the 'gull colony counts' around the East side © Saffron Forrester

A Racing Pigeon was around the East Side and two Collared Doves were in the Withies.

One Sand Martin was seen leaving the island from the East Side. A total of 15 Swallows and 14 House Martins were recorded.

A Reed Warbler was singing in the Wetlands. Three Sedge Warblers, one Whitethroat, 13 Chiffchaffs and two Willow Warblers were present across the island. Three Spotted Flycatchers were recorded with two at Nant and one at Tŷ Nessaf.

Three Lesser Redpolls were recorded, along with five Goldfinches and 13 Linnets.

 A light southerly wind at F4 held throughout the day, with a sea state of two and poor visibility. Mist turned to light drizzle during the morning but completely burned off by midday. The temperature reached 13 °C.

The team with some freshly made "flags" © Steven Stansfield

Joel took Cameron and Saffron around the East Side and made great progress counting the burrows in a dense square on the North face, surpassing 600 burrows in a 100m square. Using flag they also marked out squares for the rest of the week.

Two Humming‑bird Hawk‑moths were recorded with one each at Cristin and the East Side.

Hummingbird Hawkmoth enjoying a some Rosemary nectar © Joel Tragen

Two Shelduck were at the South End. A total of 7 Mallard were recorded with three at the Wetlands, two on the East Side, and two at the South End.

Two Sparrowhawks, a male and a female, were at Cristin and a Peregrine was seen over Cristin.

Two Purple Sandpipers were at Henllwyn and a Redshank was at Solfach. Two Whimbrel were at the Narrows and four Curlews were recorded, all fly-overs. A Sandwich Tern was seen off the South End. 

Three Racing Pigeons were recorded, as usual coinciding with the bank holiday weekend.

A Swift was seen over the Mountain. A total of 47 House Martins and 16 Swallows were recorded.

A Reed Warbler was heard in the Wetlands. Other warblers across the island included: seven Sedge Warblers, two Whitethroats, 15 Chiffchaffs and three Willow Warblers. Six Spotted Flycatchers were recorded with five at Nant.

A Hooded Crow was seen around the Mountain.

Three Lesser Redpolls and a Siskin were recorded flying over. A Chaffinch was at Nant. 27 Linnets were recorded on the island.

A southerly wind at F4 held throughout the day, with a sea state of two and moderate visibility. No precipitation fell, although mist and drizzle were in the air for a short period during the morning. The temperature reached 15 °C.

A total of 188 Atlantic Grey Seals were recorded around the coast of the island during the low tide seal survey.

A strong arrival of Painted Ladies with 24 across the island included 16 in the north‑west fields, along with 11 Silver Ys. A Humming‑bird Hawk‑moth was feeding on the Rosemary in Cristin garden. 

A Grey Heron and the Gadwall pair were at Pwll Cain.

A Hobby was seen briefly from Cristin, eventually disappearing over the Mountain. It was later seen dropping into Nant to roost. A male Sparrowhawk was seen at Cristin, where a Peregrine was also seen over.

Hobby settling in to roost at Nant © Joel Tragen

A Dunlin and Redshank were at Solfach. Five Whimbrel and a Curlew were recorded around the coastline.

Seven Swifts were recorded across the island and plenty of hirundine were recorded too, with a total of 81 Swallows and 91 House Martins. A Tree Pipit was again at Nant. 

A Reed Warbler was singing at Cristin. Other warbler recorded included: five Sedge Warblers, nine Whitethroats, 15 Chiffchaffs and a Willow Warbler.

Spotted Flycatcher © Joel Tragen

A big arrival of Spotted Flycatchers today with 32 present, included nine trapped and ringed at Nant.

Four Lesser Redpolls were recorded with two each at Cristin and the Withies. Three Chaffinches were in the Plantation at Nant. Other finches across the island included: eight Goldfinches and 16 Linnets.