10th June

 

Reed Warblers still arriving - 3 singing at the Bill today - but also another early departing Sand Martin leaving out to sea. Sea quieter: the Sooty Shearwater still offshore early morning but seemingly not later on; just single figures of Balearics today.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) June 10, 2025 at 10:24 PM

9th June

 

More late passage of Arctic Skuas today with 8 thru off the Bill along with 24 Common Scoter; Sooty Shearwater still lingering offshore + sm nos of Manx and Balearics. Land quiet: 3 new Reed Warblers dotted about + a new CC. Day's ringing total 17 incl 8 nestling Rock Pipits.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) June 9, 2025 at 10:25 PM

Although their numbers dwindled away, shearwaters continued to entertain off the Bill where the lingering Sooty continued to steal the show © Martin Cade:

8th June


Bee-eater the day's star bird but also passage in both directions at the Bill: 2 singing Reed Warblers freshly arrived but signs of autumn with 2 departing Sand Martins and the first post-breeding dispersing Grey Heron; also a Hobby thru. Sea: 2 Sooty Shearwaters, c20 Balearics & an Arctic Skua.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) June 8, 2025 at 10:31 PM

One of the day's Sooty Shearwaters lingered offshore all day - this little video clip was taken in the evening when it once ventured in quite close to the Bill tip © Martin Cade:

After stumbling across the Bee-eater at Portland Bill this AM, Balearic and Sooty Shearwater (the latter picked up by @remblax.bsky.social) brought the non-motorised year list to a satisfyingly round 200 - the earliest I have reached this milestone by 2 months 👀 @dorsetbirdclub.bsky.social

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— Peter Moore (@moorebirdsbybike.bsky.social) June 8, 2025 at 8:15 PM

On the passerine migrant front literally any arrival is something to shout about at the moment so it's good to hear single Reed Warblers new at both the Obs and Culverwell this mrng

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— Portland Bird Observatory (@portlandbirdobs.bsky.social) June 8, 2025 at 7:06 AM

Ringing picking up a little at the Bill with 22 new birds between the Obs and Culverwell; a Reed Warbler the only migrant but a decent total of 7 newly fledged Dunnocks among the local stuff

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— Portland Bird Observatory (@portlandbirdobs.bsky.social) June 8, 2025 at 10:35 PM

at least 6x silver studded blue on the wing at tout at last

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— andylportland.bsky.social (@andylportland.bsky.social) June 8, 2025 at 3:08 PM

lulworth & small skipper now on the wing, seen marbled white at the bill but this was the first in tout, oddly didnt see any MOS moffs but had a few speckled yellow

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— andylportland.bsky.social (@andylportland.bsky.social) June 8, 2025 at 3:02 PM

7th June

 

Plenty more sea interest today with minimum totals at the Bill that included 250 Manx, 45 Balearics, 18 Common Scoter, 3 Arctic Skuas, 3 Common Gulls and singles of GNDiver, Sooty Shearwater and Roseate Tern.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) June 7, 2025 at 11:43 PM

These Manx and Balearic Shearwaters were off the Bill yesterday but the photo could have been taken on any of the last few days such has been the number of both lingering offshore - it's very early in the summer to have totals of upwards of 50 Balearics there © Debby Saunders:


Even single Common Gulls making the log at the Bill in June is an infrequent event so today's three was quite unexpected © Martin Cade

6th June

 

The morning's Balearic tally off the Bill ended up on 53 - plenty more sightings during random watches through the rest of the day but many of these lingering so likely duplicates. Sooty Shear also again lingering for a while late afternoon. Flock of 4 Arctic Skuas through over Ferrybridge late pm

— Portland Bird Observatory (@portlandbirdobs.bsky.social) June 6, 2025 at 10:10 PM

5th June

 

With the weather doing its best to make up for the drought through the spring, seawatching was the only option in today's wind and rain: Manx trickled by the Bill all day, along with 8 Balearics and 4 Arctic Skuas.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) June 5, 2025 at 10:23 PM

4th June


The Turtle Dove lingered on at Sweethill where a Spot Fly was new today. Sea ticked over all day incl 7 Balearics and singles of GNDiver, Sooty Shearwater and Pom Skua thru off the Bill. Best ringing day since mid-May - 25 birds between the Obs and Culverwell - although nearly all local breeders.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) June 4, 2025 at 11:59 PM

We had a slightly disconcerting event during our hitherto uneventful evening seawatch at the Bill when after seeing the occasional lingering Manx and Balearic Shearwater, suddenly a huge Sooty Shearwater careened into view and joined the offshore gull flock:



Apart from the time of year and the fact that the bird was in heavy wing moult which you don't usually see when we see Sooties later in the year, nothing seemed amiss until we started to notice that the bird had an alarmingly subdued underwing pattern - in the strong side-lighting the underwing should have looked really silvery but appeared barely more than anemically grey-washed...


...and this impression was confirmed when the bird powered away from the flock and looked to be leaving to the west...


However, it then suddenly landed for a few minutes and allowed for some long-range views of the bill structure before it did finally up and leave. We guessing that the bill looks a bit too long for a Short-tailed Shearwater and the bird was indeed just a Sooty with a rather subdued underwing pattern - certainly its overall bulk and flight mode didn't look in any way off for a Sooty.

So an interesting little event and we'll have to keep waiting for a Short-tailed Shearwater; hopefully that wait won't be too long what with all the upheaval going on with them elsewhere in the world this year - if one can get to somewhere as freaky as the Koshi Barrage then Portland must be well on the cards © Martin Cade

3rd June

On a squally, windy day most of the day's interest was offshore, with Manx Shearwaters a constant presence off the Bill and at least 4 Balearic Shearwaters amongst them from time to time. On the land the Turtle Dove lingered on at Sweethill.

Carrying on from yesterday's mention of under-the-radar resident vs straying moths, yesterday the Obs garden's fourth May Highflyer turned up in one of the moth-traps there © Martin Cade:

Since May Highflyer's only larval foodplant is Alder we'd be very confident all these records relate to strays from the mainland or perhaps even from across the Channel since as far as we know there are no Alder trees on the island - we've never seen even a 'garden planted' Alder here and there are no records at all shown on the distribution map in The Flora of Dorset:

2nd June


Small arrival of new migrants today incl 3 CCs and singles of Wheatear, Wthroat and Spot Fly at the Bill, a Hobby and a Spot Fly at Southwell and a Redstart at Portland Castle. 6 Balearics, a Sooty Shearwater & a GNDiver thru off the Bill

— Portland Bird Observatory (@portlandbirdobs.bsky.social) June 2, 2025 at 9:43 PM

The Turtle Dove continued to show nicely from time to time at Sweethill © Pete Saunders:

Moth catches have got considerably larger and more varied of late and although migrant interest has been relatively low key there's been a nice selection of 'local less-regulars' trapped. This Streaked Diamond-back Plutella porrectella was new for the Obs garden the night before last - despite it being a very widespread moth in Britain, as far as we know the only previous island records (we've forgotten whether there's actually been more than one) are from Debby Saunders' garden at Sweethill. Evidently this species' only larval foodplant is Dame's-violet but our woefully inadequate botanical knowledge is such that we're not sure how widespread or not that is on the island © Martin Cade: 

1st June

The lingering Turtle Dove at Sweethill saved the day on the land from where there were no reports of  any new arrivals save for a few extra Sanderlings at Ferrybridge © Debby Saunders:


Lulworth Skippers look to be having a decent season with reports from many spots around the island in the last few days © Roy Norris:


Large numbers of Red-Veined Darter on Portland 1 June Kingbarrow:6m 1f Yeolands:8m 1f + mating pair at pond. + 5m 2f on paths Broadcroft brief visit: 1f Odd footprints at Yeolands pond. Goat rather than deer ? Also black-tailed skimmer, broad-bodied chaser, emperor(2m+f) @portlandbirdobs.bsky.social

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— Steve M (@steveweynature.bsky.social) June 1, 2025 at 3:48 PM

31st May

 

Another foggy morning and an increasingly windy afternoon weren't ideal for fieldwork today. Just 2 Blackcaps and a Chiffchaff new at the Bill today, with Sanderlings down to 17 at Ferrybridge. 51 commic terns thru off the Bill once the fog lifted + info services rpt of 6 Balearics later.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 31, 2025 at 11:09 PM

Fog was a real impediment through the morning - it was a struggle to see the Ferrybridge Sanderlings and Dunlins even at point blank range © Pete Saunders

Turtle Dove dropped into the garden this evening, the 1st we've seen in 2 years. In days past this garden would get double figures of Turtle Doves in a year, lets hope those days are coming back

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— Debra Saunders (@debbyseamist.bsky.social) May 31, 2025 at 9:52 PM

Renewed moth migration last night incl singles of Striped Hawk, Bordered Straw and Delicate at the Obs and Small Mottled Willow at Southwell (latter per John Lucas). Numbers at the Obs incl 19 ferrugalis, 10 xylostella and 6 noctuella.

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— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 31, 2025 at 8:35 AM

black tailed skimmer, crown estate ponds

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— andylportland.bsky.social (@andylportland.bsky.social) May 31, 2025 at 5:26 PM

another day another red veined darter, this one in bill quarry field along the worn path by the road

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— andylportland.bsky.social (@andylportland.bsky.social) May 31, 2025 at 4:34 PM

small skipper & adonis blue still in reasonable shape at the strips, still no silver studded blue at tout

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— andylportland.bsky.social (@andylportland.bsky.social) May 31, 2025 at 4:32 PM

30th May

Much nicer day for birding and a little more around the island: Single Reed Ws new at the Bill and Reap Lane, 26 Sanderling again at Ferrybridge, 4 Arctic Skuas thru off the Bill. Influx of Painted Ladys, Red Admirals and a Hummingbird Hawk at the Bill.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 30, 2025 at 9:56 PM

It was too nice a day not to indulge in the newly arrived Painted Ladys, Red Admirals and Hummingbird Hawkmoth, along with taking in the Obs Quarry Little Owl whilst having a look at the first Marbled White to take to the wing this summer © Verity Hill (stills) and Martin Cade (video):






Bee Orchids are beginning to come into flower around the island now © Andy Mitchell:



The first Hummingbird Hawkmoth of the year was busily feeding around the obs garden today.

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— Jodie mae Henderson (@jodiemhenderson.bsky.social) May 30, 2025 at 6:25 PM

so turns out the dragon i was watching in tout with the couple staying at the obs was a norfolk hawker, thanks to heathy for the ID from even worse photos than this heavy crop!

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— andylportland.bsky.social (@andylportland.bsky.social) May 30, 2025 at 6:26 PM

red veined darter tout quarry this afternoon, also the emperor still at admiralty quarry, another darter of some sort in flight at tout.

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— andylportland.bsky.social (@andylportland.bsky.social) May 30, 2025 at 5:30 PM

29th May

 

Fog that was reluctant to completely clear hampered activities today but in some clearer spells a Sooty Shearwater and an Arctic Skua passed by the Bill and 2 Balearics lingered offshore. Only new migrants were a few more Sanderlings - 27 at Ferrybridge this evening.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 29, 2025 at 10:17 PM

28th May

 

The weather hasn't done us many favours this spring and the current Atlantic airstream has all but killed migration: just a few new waders today incl 16 Sanderling and a Whimbrel at Ferrybridge and a single new Chiffchaff at the Bill. Manx today mostly departed from Portland waters.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 28, 2025 at 11:00 PM

There's only one previous Portland record of Sloe Pug so we're not especially familiar with the species but this looks to be a second one from the Obs moth-traps last night

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— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 28, 2025 at 11:10 PM

27th May

 

Grim weather and almost as grim birding for most of today: plenty of Manx offshore all day but 2 Balearics the only other noteworthy sea sightings; nothing ringed and no new migrants logged in a short window of fairer weather after dawn.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 27, 2025 at 11:57 PM

26th May

 

With the wind gusting up towards gale force by the evening today's interest was again largely on the sea. Manx about in fair quantity all day with c300/hr passing east during the evening; also a Balearic lingering. Migrants incl a Spot Fly at the Bill and a steady trickle of arriving Swallows

— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 26, 2025 at 11:20 PM

Bit of #digiscope 🎥 from this AM’s Balearic Shearwater. As a bit of a seawatch novice I was 😬 one might flyby without me being able to pick it out. But, as it happen compared to Manxies it had a notably stockier structure, extended legs and differential plumage 😁. @portlandbirdobs.bsky.social

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— David B (@djbevanphoto.bsky.social) May 26, 2025 at 7:42 PM

25th May

 

Another blustery westerly day with most of the interest at the Bill again on the sea: good nos of Manx returning west all day, at least 1 Balearic lingering; 32 Common Scoter, 15 Dunlin and 2 Arctic Skuas thru

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— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 25, 2025 at 10:36 PM

Wild and wet nights camping on Sweet Hill farm above @portlandbirdobs.bsky.social. Woke first light to four noisy Raven. So walked down the hill for an early seawatch (0600-0700). Lots of Guillemot but close Flyby views of Maxi shearwater (c60) and this Dark phase Arctic Skua were highlights.

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— David B (@djbevanphoto.bsky.social) May 25, 2025 at 8:10 AM

24th May

 

Mainly a sea day with the increasing SW'ly towards evening seeing Manx peak at c800/hour, also 3 Balearics lingering; earlier 3 GNDivers, a Little Egret and an Arctic Skua thru. Trickle of Swifts and Swallows still arriving but a single YLGull the only new arrival on the ground.

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— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 24, 2025 at 11:58 PM

A lovely, if a tad breezy, day introducing @pterodroma.bsky.social to the delights of Portland & Weymouth, with highlights of 3x SumPlum GN Diver off the Bill, Early Gentian, Scarce Blue-tailed Damselfly, & a mobile Glossy Ibis. Just don't mention a certain chelonian... @portlandbirdobs.bsky.social

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— Phil Saunders (@beardybirder.bsky.social) May 24, 2025 at 6:32 PM

A great days "birding" on Portland Bill with @beardybirder.bsky.social . Not much seen in the way of birds (3GN divers the best) but a host of great wildlife, the best being an absolute unit of a Leatherback turtle(!) just of the lighthouse. @portlandbirdobs.bsky.social

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— Dave Andrews (@pterodroma.bsky.social) May 24, 2025 at 6:28 PM

The spectacle of the Cowes to Plymouth yacht race passing the Bill provided an unexpected backdrop to the strongest evening movement of Manx Shearwaters so far this summer, with 3 lingering Balearic Shearwaters an added bonus © Martin King (the scene), Jodie Henderson (Manx) and Martin Cade (Balearic)



23rd May

 

Beginnings of a weather change saw Manx nos pick up to 300/hr off the Bill; 83 Med Gulls also a big increase there. New grounded migrants: 2 Sedge Ws, singles Reed W, LWT, Spot Fly + trickle of hirundines still arriving. Ringing totals: singles Sedge W, Reed W, LWT, Spot Fly, H Sparrow, Goldfinch

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— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 23, 2025 at 10:32 PM

With relatively little migrant bird action of late there's been plenty of time to scrutinize other groups and an interesting discovery has been quite a few Andrena niveata - a small bee apparently colloquially known as Long-fringed Mini-minor. This bee is rare in Britain with recent records only in Kent, Surrey and Sussex. It was last recorded in Dorset from Portland Bill in June 1950 but Steven Falk refound it here near the Coastwatch lookout on 1st May and this week Bryan Edwards found several more in the Crown Estate Field. It forages from mustard and cabbage flowers and at the Bill has been found on Black Mustard © Bryan Edwards:

Migrant moth numbers have dropped right away but there are still a few Painted Ladys about - this one was at the Bill today © Nick Hopper:


was surprised to see several male adonis up the strips toward higher light

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— andylportland.bsky.social (@andylportland.bsky.social) May 23, 2025 at 7:18 PM

22nd May

Another handful of new arrivals at the Bill: 10 Turnstones, 4 Reed Ws, 4 Spot Flys, 3 Chiffchaffs, singles Black Redstart and Blackcap. Offshore: 300 Manx and 1 Balearic west, singles Arctic Skua and Little Gull east. Ringing: Reed W 2, Chiffchaff 2, Blackcap 1, Spot Fly 1, House Sparrow 1

— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 22, 2025 at 11:36 PM

Today's Turnstones at the Bill © Ross Underwood:

Lots of Red-veined Darters still at Yeolands Quarry including 4 females @portlandbirdobs.bsky.social

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— Oli Mockridge (@yeovilbirder.bsky.social) May 22, 2025 at 4:14 PM

21st May

10 hours of rain was today's drought-ending novelty. 9 Spot Flys, 5 Turnstones, 2 Mallards & singles of Hobby, Purple Sand, Yellow Wag and Reed Warbler best of the arrivals at the Bill. 38 Sanderling new at Ferrybridge. Busy moth-traps but few migrants; yr's first Four Spotted best of the catch.

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— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 21, 2025 at 11:03 PM

20th May

5 Turnstones, 2 Spot Flys and a WW at the Bill, a Reed W at Perryfields and 7 Sanderlings at Ferrybridge the best of the few new arrivals on the land today. 3 GNDivers and a Balearic Shearwater through off the Bill. A WW at Culverwell and a House Sparrow at the Obs the only birds ringed today.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 20, 2025 at 9:54 PM

This alba wagtail has been hanging around at Ferrybridge for a fortnight or so but we'd never really had a decent view of it until the last couple of evenings when it's been settled right beside the Visitor Centre - we're guessing it must be the bird reported quite regularly throughout this period as a White Wagtail. We really weren't at all sure what it is save to say that it just doesn't look right for a pure White Wagtail - amongst other things, its flanks look too extensively dirty and its rump distinctly has some darkness mixed in with the grey; more likely a hybrid White x Pied? © Martin Cade:

Vast swathes of Blackthorn around the Obs have now been totally enveloped in ghostly webbing as the caterpillars of the Orchard Ermine moth Yponomeuta padella begin to spread out.

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— Jodie mae Henderson (@jodiemhenderson.bsky.social) May 20, 2025 at 12:43 PM

oddly in my 6 years on portland i had never visited yeolands quarry pool. at least 20 red veined darter males but just the one female paired and another on the footpath just S of the quarry

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— andylportland.bsky.social (@andylportland.bsky.social) May 20, 2025 at 6:02 PM

my first lulworth skipper of the year came down to the edge of yeolands quarry pool where a few small blues also ventured.

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— andylportland.bsky.social (@andylportland.bsky.social) May 20, 2025 at 6:08 PM

19th May

Well, when staff members decide it's better to just get it over with by throwing themselves headlong off the patio wall rather than spending even one more day toiling around after non-existent migrants you know it's probably time to take a break from full daily blog updates - we'll still be posting here every day but will be relying more on Bluesky/Twitter embeds and photos/videos until things get busier again later in the summer.


Bill migrants pretty limited today: 7 Spot Flys, 2 CCs and a Reed W grounded; trickle of hirundines, Swifts and waders overhead; lingering Balearic Shearwater, 90 commic terns and 3 Arctic Skuas on the sea. Just 5 birds ringed between the Obs and Culverwell.

— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 19, 2025 at 10:54 PM

saw about a dozen species in tout, meadow brown was nfy.

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— andylportland.bsky.social (@andylportland.bsky.social) May 19, 2025 at 6:02 PM

Amongst the waders at Ferrybridge this evening it was nice to see 32 little super-dark and super-smart Tundra Ringed Plovers dotted about across the sandflats © Martin Cade: 

18th May

Quiet on all fronts today save for another late pulse of Common Scoters including 78 through of the Bill, and a small increase in passage waders including 20 Sanderlings, 12 Ringed Plovers and 10 Dunlin at Ferrybridge and 3 Bar-tailed Godwits, a Ringed Plover and a Whimbrel through at the Bill. Passerines were sparse, with a trickle of Swallows, 8 Spotted Flycatchers, a Willow Warbler and a Chiffchaff the only new arrivals at the Bill. The lingering Brent Goose also remained at Ferrybridge.

Many thanks to Martin and Jodie for enjoyable week @portlandbirdobs.bsky.social ,also nice to meet old friends especially John Lucas and Graham W. R. rumped Swallow defied capture with 88 birds of 17 species ringed by all ringers in the week! Cattle Egret Portland tick! Back soon in July for AGM.

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— Peter J Morgan (@pbo61.bsky.social) May 18, 2025 at 5:32 PM

Very little migration evident in the Obs moth-traps but the waft of a northerly breeze saw 2 Pine Hawks and a Great Prominent presumably drift over from the mainland

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— Portland Bird Observatory (@portlandbirdobs.bsky.social) May 18, 2025 at 8:04 AM

17th May

The forecast cloud cover arrived a little late for a dawn fall but once it rolled in it persisted for a fair bit of the morning and was enough to down a succession of Spotted Flycatchers throughout the island; however, with it getting late for quantities of other common migrants the back-up cast wasn't hugely varied or numerous. A Hooded Crow that pitched up briefly at Wallsend was the day's oddity but it was the numbers of Spotted Flycatchers that stole the show, with 33 at the Bill and probably just as many more spread widely around the hinterland; a steady passage of Swallows along with fewer Swifts and House Martins, 4 Willow Warblers, 3 Reed Warblers, 3 Chiffchaffs, 2 Hobbys and singles of Sedge Warbler and Blackcap were among the other migrants logged at the Bill, with singles of Brent Goose and Grey Plover among the selection at Ferrybridge. A mini surge in Common Scoters saw 76 pass by off the Bill, but 8 Whimbrel, 5 Shelducks and a Red-throated Diver were best of the rest on the sea there.

The Hooded Crow at Wallsend © Jodie Henderson:


And talking of crows, public enemy number one the Ravens - this is the first time one of the family parties has been seen away from the immediate vicinity of their nest site - are now on station above the seabird colony where no doubt they're going to be wreaking havoc by stealing many of the Guillemot and Kittiwake eggs We appreciate that a lot of the general public have a soft spot for the Portland Ravens now that so many have become semi-tame but this is turning an uncritical blind eye to the terrible carnage they inflict on the seabirds - no doubt more on this as the season progresses. Whether today's birds came by the hedgehog they're feeding on as road-kill or ad a hapless live victim isn't known © Nick Hopper:


We're so wedded to the idea that any darter dragonfly seen on the island this early in the season is going to be a Red-veined Darter that when we stumbled upon a teneral Common Darter at Shepherd's Dinner this afternoon we so doubted our own ID abilities that we contacted Brett Spencer to confirm that it really was one. An as yet incomplete scan through our past logs has revealed that the previous earliest island record was on 13th June, although in the majority of years the first record wasn't until sometime in July...


...not far away, there were still at least two Red-veined Darters about in the vicinity of the pool in Yeolands Quarry © Martin Cade:

Always a exhilarating day when Spotted Flycatchers are migrating through @portlandbirdobs.bsky.social especially when few other migrants are,7 ringed today amongst 14 birds with 1st Whitethroat since 30th April! Broad & deep bill with rectal bristles of SFly specially suited to their capture method.

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— Peter J Morgan (@pbo61.bsky.social) May 17, 2025 at 8:31 PM

16th May

An uneventful day, with the pick of the reports being of 2 Hobbys, 2 Spotted Flycatchers and a Chiffchaff at the Bill, 2 Willow Warblers and a Yellow Wagtail at Blacknor and 5 Whimbrel and a Grey Plover at Ferrybridge; 2 Great Northern Divers passed through off the Bill and an Arctic Skua through off Chesil.

Not so well represented today as they have been on some days this week but Spotted Flycatchers are very much the passerine migrant of the moment © Nigel Warren:


In the moth-traps, migrant interest has largely fizzled out but a stray Alder Moth was a good overnight catch at the Obs - despite being a relatively widespread moth on the mainland this is only the third island record following singles at the Obs in 1983 and at Sweethill in 2015 © Martin Cade:



Pictures of the oasis for migrant birds that is @portlandbirdobs.bsky.social in lieu of any present today. A CC,a Spotted Flycatcher and House Sparrow being the only birds ringed all day! The continuing fine weather doesn't augur well for any improvement, but we have been surprised before!

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— Peter J Morgan (@pbo61.bsky.social) May 16, 2025 at 8:14 PM

15th May

Whilst not quite up to yesterday's level rarity-wise, today's fresher and, at least for a time after dawn, breezier conditions were just enough of a change to perk up migration a tad. Spotted Flycatchers were best represented, with at least 30 at the Bill and others scattered about in most spots that were visited; a late afternoon Honey Buzzard in off the sea at the Bill was a nice sight, whilst the odd few extra Wheatears, Reed Warblers, Willow Warblers and Chiffchaffs provided further interest on the ground and the late Brent Goose remained at Ferrybridge. The Honey Buzzard obviously thought more of conditions overhead than did hirundines and the like, with the latter's passage reduced to little more than a trickle. The sea had its moments, notably in the form of 2 Tufted Ducks back and forth between Chesil and the Bill and a Little Gull off the Bill; 25 Sanderlings also arrived in from the south.

The Honey Buzzard evidently arrived in off the sea fantastically low over the heads of its observers on East Cliffs at the Bill; however, it rapidly gained height as it tracked north and by the time it had got to the top of the island where this photograph was taken it was hundreds of metres overhead and only just resolvable to the naked eye © Martin Cade:

Something else very actively on the move were these Sanderlings: we watched them arriving from way out to sea off Chesil during the evening and they were presumably sufficiently knackered that they pitched straight in on the edge of the beach as soon as they made landfall; after a quick preen and scamper along the inhospitable shore they headed away again into the sunset © Martin Cade:

A nice out of context encounter with a Reed Warbler this morning that popped up from the rocks around the Bill before settling around the lighthouse carpark!

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— Jodie mae Henderson (@jodiemhenderson.bsky.social) May 15, 2025 at 9:17 PM

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— Peter J Morgan (@pbo61.bsky.social) May 15, 2025 at 8:34 PM

Spotted Flycatcher the bird of the day ringing wise @portlandbirdobs.bsky.social with a total of 8 ringed out of 23 birds in total. 5 CC,1 WW,1 Reed W the other migrants. Spot Fly always a pleasure to see in the hand after watching them migrating north through the garden. 4 more Meadow Pip ringed.

— Peter J Morgan (@pbo61.bsky.social) May 15, 2025 at 8:44 PM

Site visits on the Isle & Royal Manor of Portland today - lots of Small as well as Common blues on the wing, plus Painted lady, Small heath and Wall butterfly. @dorsetbutterflies.bsky.social

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— Kirsty Brannan (@vanellus26.bsky.social) May 13, 2025 at 9:55 PM

More Portland wildlife yesterday - Dingy skippers basking, Bloody-nosed beetle larvae roaming & Common lizards skittering. Also grateful to the local people I met who graciously shared important historic, cultural and landscape contexts to particular sites.

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— Kirsty Brannan (@vanellus26.bsky.social) May 15, 2025 at 6:17 AM

14th May

There's nothing like a nice scarce to lift the spirits during a lean spell and that came today in the form of a Red-rumped Swallow that lingered for several hours between the Coastguard Cottages and Culverwell. It's appearance was all the more welcome in the light of today's continuing migrant drought that saw no more than ones and twos of a few expected regulars uncovered around the Bill; elsewhere, a tardy Dark-bellied Brent Goose was a surprise arrive at Ferrybridge where the White Wagtail lingered. The Red-rumped Swallow certainly didn't arrive in tow with a strong push of other hirundines - neither they nor Swifts were at all numerous overhead where the only other oddity was a Redpoll over Blacknor. Commic terns were again on the move off the Bill albeit in lower numbers and at vanishingly longer range than yesterday in dawn's brisker northeasterly - they just topped 250, with 6 Sanderling, 2 Arctic Skuas and a Great Northern Diver also providing interest there; another Great Northern Diver was settled off Chesil.

The Red-rumped Swallow was nice and showy although it frustrated the ringers by responding immediately to a sound lure but doing no more than settling on the top shelf of the mist-net and gently swaying back and forth without ever looking very likely to be so stupid as to get caught © Pip (swallow watchers) and Martin Cade (stills and video):








Another quiet ringing day @portlandbirdobs.bsky.social with only 11 bids, the first juv. Goldfinches of the year, 4 pulli Meadow pipits, with only 1 each of WW, CC, Chaffinch & House Sp.It could have been greatly enlived by the addition of a Red rumped swallow which refused all attempts at capture!

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— Peter J Morgan (@pbo61.bsky.social) May 14, 2025 at 8:08 PM