1 Oct 26

Priorslee Balancing Lake and The Flash

12.0°C > 15.0°C: Clear after overnight rain. A few puffy clouds later. The usual calm start with mist over the water. A light south-westerly breeze developing. Very good visibility.

Sunrise: 07:10 BST

* = a species photographed today.
! = a first sighting of the species this year
$ = a new species for me in this area

Priorslee Balancing Lake: 05:50 – 09:15

(221st visit of the year)

Bird notes:
- no Mute Swans.
- Mallard were very mobile flying in and out and repositioning. Possibly more than my count suggests.
- a group of 22 Goosander flew West c.07:15
- a Little Grebe seen briefly in the south-east area.
- gull counts once impacted by early low-level mist:
- many of the Black-headed Gulls seemed to make directly for the football field where my first scan at 07:10 gave me at least 300 before a Carrion Crow put them all to flight. Only(!) 179 returned this still more than the c.150 on the water by 07:00.
- no more than Lesser Black-backed Gulls were present by 07:00. I noted 36 arriving later with two Herring Gulls.
- at least 115 large gulls, likely mostly Lesser Black-backs, flew South to the far East before 07:00. Later just eight Lesser Black-backed Gulls and two Herring Gulls flew over.
- a Great (White) Egret flew in from the north-west at 06:55. I did not see it again!
- just two Chiffchaffs noted one of which was singing.
- a Song Thrush in quiet song (another at The Flash)

Bird(s) noted flying over here:
- 22 Goosander: together
- 2 Herring Gulls
- >120 Lesser Black-backed Gulls
- 3 Cormorants together
- 18 Wood Pigeons
- 300 Jackdaws exactly!
- 111 Rooks
- 1 Pied Wagtail

Counts from the lake area:
- no Mute Swans
- 24 (>8♂) Mallard
- 3 (0?♂) Tufted Duck
- 5 Moorhens
- 28 Coot
- 1 Little Grebe
- 12 Great Crested Grebes
- c.150 Black-headed Gulls [but >300 on the football field]
- 2 Herring Gulls
- 61 *Lesser Black-backed Gulls
- 1 Cormorant: arrived
- 1 Grey Heron
- 1 Great (White) Egret
- 1 Kingfisher

Warblers noted:
- 2 Chiffchaffs: of these one in song
- 1 Blackcap: calling only

Also noted:
Very little. Soaking wet vegetation after overnight rain and the sun still low.

Bees, wasps etc.:
- Common Wasp Vespula vulgaris

True flies:
- *$ Root-maggot fly Hydrophoria lancifer
- cranefly Tipula confusa
numerous other unidentified flies

Slugs, Snails etc.:
- 1 *White-lipped Snail Cepaea hortensis

Other true flies
several unidentified flies of at least four species

On the West end street lamp poles before dawn:
The heavy dew after rain obscured the markings on some of the insects etc.

True flies:
- 1* planthopper Empoacsa sp.
- 1 winter cranefly Trichocera sp.

Springtails:
- 3 springtail Pogonognathellus longicornis-type

Beetles:
- 1 *$ ground beetle probably Leistus ferrugineus
- 1 Cabbage-stem Flea Beetle Psylliodes chrysocephala

Spiders, harvestmen etc.:
- 1 *Long-jawed Orb-web Spider Metellina segmentata

Mammals:
- 1 pipistrelle-type bat at this time
- 2 noctule-type bats at this time

The fast-waning moon.

Undercarriage down ready for splash-down. An adult-winter Lesser Black-backed Gull now with typical winter head-streaking.

A planthopper from the Empoacsa genus. There are several "mostly-green" species in this complex.

This fly looked "different" with an apparently strongly-tapered grey abdomen. It seems it is the Root-maggot fly Hydrophoria lancifer, a new(ly identified?) species for me.

This ground beetle is probably Leistus ferrugineus. It certainly is in that genus. As usual there are similar species. It would be a new species for me (it probably is anyway whatever its specific identity).

As soon as it rains out come the slugs and snails. Here a White-lipped Snail Cepaea hortensis.

This may well be a Long-jawed Orb-web Spider Metellina segmentata. Then again...

(Ed Wilson)

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In the Priorslee Avenue tunnel:

Moths:
- 1 *Rusty-dot Pearl Udea ferrugalis

True flies:
- 14 midges of at least three species
- 4 moth fly Psychodidae sp. [Drain Fly or Owl Fly]
- 1 cranefly Tipula confusa

Arthropods:
- 2 White-legged Snake Millipede Tachypodoiulus niger
- 3 *Common Rough Woodlouse Porcellio scaber

Slugs, Snails etc.:
- 1 *Tawny Soil Slug Arion owenii

Spiders, harvestmen etc.:
- 21 spiders
1 *Stout Sac Spider Clubiona sp.
15+ Missing Sector Orb-web Spider Zygiella x-notata [Silver-sided Sector Spider]
5 *other spiders not identified

The second Rusty-dot Pearl moth Udea ferrugalis I have found in the tunnel this year. This is a migrant moth species occurring in very variable numbers from year to year.

Many spiders in the tunnel this morning. Many the usual Missing Sector Orb-web Spiders Zygiella x-notata. Most of the others were unidentified though this is one of the Stout Sac Spider Clubiona group.

An unidentified spider.

And another.

A two-fer: a Tawny Soil Slug Arion owenii and a Common Rough Woodlouse Porcellio scaber.

(Ed Wilson)

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The Flash: 09:20 – 10:40

(218th visit of the year)

The recent rains have yet to start the overflow in to the Wesley Brook.

Bird notes:
- the four "static" Canada Geese supplemented by 27 arrivals in two groups.
- six Mute Swans still on the water. *Two flew South.
- a *Tufted Duck trio present.
- a *drake Goosander with 36 brownheads.
- one full adult Great Crested Grebe was seen with three juveniles. Two other immatures seen, one of which might have been the fourth juvenile having declared UDI.
- now five *Little Egrets: unprecedented here.
- at least two House Martins were overhead briefly. A late record for here long after the local breeding birds have departed. My previous log here was 16 August.
- a *Kingfisher here as well as at the Balancing Lake.
- two Grey Wagtails were on the Derwent Drive roadway and then on adjacent roofs. My previous log of this species here was on 14 June.

Bird(s) noted flying over here:
- 2 *Mute Swans
- 5 Jackdaws

Noted on / around the water:
- 31 Canada Geese: of these 27 arrived in two groups
- 6 Mute Swans
- 49 (30♂) Mallard
- 3 (0♂) *Tufted Duck
- 37 (1♂) *Goosander
- 8 Moorhens
- 18 Coot
- 3 + 3 (1 brood) Great Crested Grebe: see notes
- 40 *Black-headed Gulls
- 5 Cormorants
- 4 Grey Herons
- 5 Little Egrets
- 1 *Kingfisher

Hirundines noted:
- 2+ House Martins

Warblers noted:
- 2 Chiffchaffs: no song

Noted around the area:
A few more things: the sun was out but possibly still too cool for some insects:

Bees, wasps etc.:
- 2 Honey Bee Apis mellifera
- >25 Common Wasp Vespula vulgaris

Hoverflies:
- 4 *Tapered Dronefly Eristalis pertinax [Tapered Drone Fly]
- 4 *Common Dronefly Eristalis tenax [Common Drone Fly]

Other true flies:
- several species of fly not identified

Beetles:
- 3 *7 Spot Ladybird Coccinella 7-punctata

These two Mute Swans flew straight through. The second bird is wearing a blue Darvic ring. I can only make out "7J..". Apart from it being clear it is not "7JUE" - the missing pen from the Balancing Lake – that is not helpful.

The trio of Tufted Duck went for a fly-around and are here splashing back down. All three have pale at the base of their bill suggesting they are ducks or immatures.

A well-posed brownhead Goosander. As previously noted some authors suggest that a white streak running from the bill to below the eye indicates an immature (born this year) of either sex.

At a distance: this is my first drake Goosander of the second-winter period.

Little Egret #4 joins #3 on the island. #1 and #2 were at the top end.

Little Egret #5 arrives pursued by a first-winter Black-headed Gull. [I could either make the brickwork level or the railings level. I decided on balance the brickwork was likely to be the best reference]

Another distant photo. A Kingfisher makes for the island.

A male Tapered Dronefly Eristalis pertinax with an unidentified fly peeking over the Ivy flower. Only males show the obvious tapering to their abdomen and the females are more difficult to separate from...

...Common Dronefly Eristalis tenax. The abdomen pattern of brown and (almost) black is very variable on both species and not an identification feature.

Do I need to say?... 7 Spot Ladybird Coccinella 7-punctata.

(Ed Wilson)

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2009
Priorslee Lake
1 Kingfisher
Grey Wagtail
40 Mute Swan
(Mike Cooper)

2008
Priorslee Lake
Shoveler
Peregrine
(Ed Wilson)

2005
Priorslee Lake
1 Redwing
90 Golden Plover
87 Greenfinches
3 Chiffchaffs
Blackcap
Kingfisher
2 Willow Tits
(Ed Wilson)

30 Sep 26

No sightings in today

29 Sep 26

No sightings in today

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2010
Priorslee Lake
3 Pochard
2 Sparrowhawks
24 Swallows
Peregrine Falcon
(Ed Wilson)

2008
Priorslee Lake
Redwing
(Ed Wilson)

2005
Priorslee Lake
Siskin
105 Greenfinches
Swallow
House Martin
3 Chiffchaffs
Kingfisher
(Ed Wilson)

28 Sep 26

No sightings in today

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2011
Priorslee Lake
2 Skylarks
3 Meadow Pipits
26 Pied Wagtails
7 Siskins
2 Redpolls
142 Greylag Geese
320 Canada Geese
Common Sandpiper
45 Robins
(Ed Wilson)

2010
Priorslee Lake
Cormorant
A pair of Wigeon
220 Coots
Blackcap
Chiffchaff
(Ed Wilson)

2007
RAF Cosford
Juvenile Gannet flew over RAF Cosford
(Martin R Adlam)

2005
Priorslee Lake
3 Redpoll
Siskin
5 Chiffchaffs
Blackcap
Kingfisher
Buzzard
2 Kestrel
Meadow Pipit
(Ed Wilson)

27 Sep 26

No sightings in today

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2013
Priorslee Lake
1 Teal
3 Wigeon
1 Kingfisher
(John Isherwood)

2011
Priorslee Lake
13 Meadow Pipits
3 Redpoll
Siskin
Common Sandpiper
(Ed Wilson)

2010
Priorslee Lake
Juvenile Common Scoter
3 Little Grebes
Drake Pintail x Mallard
(Ed Wilson/Andy Latham)

26 Sep 26

Priorslee Balancing Lake and The Flash

8.0°C > 14.0°C: Mostly clear with just some thin high cloud to the south-east. A calm start with mist over the water. A light moderate south-westerly breeze developing. Very good visibility.

Sunrise: 07:01 BST

* = a species photographed today.
! = a first sighting of the species this year
$ = a new species for me in this area

I am taking a few days break from the early starts. I will be back!

Priorslee Balancing Lake: 05:45 – 09:15

(220th visit of the year)

Bird notes:
- no Mute Swans until a pair(?) from the north-west at 07:35. Another pair(?) arrived from the West at 08:05. The tow pairs stayed well-apart for a while before one pair started chasing (not sure which) with the chased leaving to the East.
- no Tufted Duck.
- a Little Grebe heard pattering across the surface and then glimpsed just as it dived at the West end.
- gull counts once again impacted by early low-level mist:
- only about 100 Black-headed Gulls noted by 07:00. Just five on the football field c.07:15.
- c.175 Lesser Black-backed Gulls present by 07:00 with, as usual, these all departing by 07:30. No Herring Gulls identified at that time. A steady later arrival saw 79 pass through to bathe and drink before 09:00 with six Herring Gulls at this time.
- at least 110 large gulls, likely mostly Lesser Black-backs, flew South to the far East between 06:45 and 07:00. Later just 12 Lesser Black-backed Gulls flew over
- again seven Chiffchaffs were noted with two of these heard singing.
- at least ten Greenfinches flew out of the trees alongside Teece Drive c.07:20, Good to see a small roost of this much declined species. Going back 25 years (pre my easily-accessed computer records) I recall seeing as many as 400 birds leaving the trees at dawn from the south-east part of the area.

Bird(s) noted flying over here:
- >120 Lesser Black-backed Gulls
- 22 Wood Pigeons
- 311 Jackdaws
- 109 Rooks
- 1 Pied Wagtail

Counts from the lake area:
- 0 > 2 > 4 > 2 Mute Swans: see notes
- 9 (6♂) *Mallard only
- no Tufted Duck
- 6 Moorhens
- 42 Coot
- 1 Little Grebe
- 11 Great Crested Grebes only
- >100 Black-headed Gulls
- 6 Herring Gulls
- >250 Lesser Black-backed Gulls
- 6 *Cormorants: a trio and three singles arrived; some departed
- 2 Grey Herons

Warblers noted:
- 7 Chiffchaffs: of these two in song again
- 1 Blackcap: calling only

Also noted:
Very little.

Bees, wasps etc.:
- Common Wasp Vespula vulgaris
- *unidentified ichneumon

True flies:
- cranefly Tipula confusa

Hoverflies:
- *Marmalade Hoverfly Episyrphus balteatus

Other true flies
- *Muscid fly Phaonia signata [was P. tuguriorum]
also several unidentified flies

On the West end street lamp poles before dawn:

True flies:
- 1 cranefly Tipula lateralis
- 1 *unidentified fly

Spiders, harvestmen etc.:
- 1 *unidentified orb spider Araniella sp.
- 2 harvestman Paroligolophus agrestis

Mammals:
- 1 pipistrelle-type bat at this time

Before sunrise with mist over the water.

Just as the sun was about to pop over the horizon, albeit masked by the clouds.

Drake Mallard are now looking smart in their full breeding plumage after their annual moult.

Well-positioned to fill the frame an immature Cormorant arrives.

Not many insects around now the temperature is dropping. Here is an unidentified (but aren't most of them?) ichneumon.

A Marmalade Hoverfly Episyrphus balteatus

This seems to be the Muscid fly Phaonia signata . It has the typical bowed leading edge shared with all members of the Phaonia genus with this species showing transverse bands on a pale brown abdomen. [It used to be known as P. tuguriorum when I last logged it and I assume an earlier record has been found to take precedence]

This fly has eluded identification. The structure is similar to the long-legged or dance flies group but they are all larger and fly in late Spring and early Summer. I have drawn a blank.

A small spider that I think is one of the orb spiders from the Araniella family

(Ed Wilson)

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In the Priorslee Avenue tunnel:

Moths:
none

True flies:
- 11 midges of at least three species
- 2 moth fly Psychodidae sp. [Drain Fly or Owl Fly]
- 1 *cranefly Tipula lateralis

Arthropods:
- 5 White-legged Snake Millipede Tachypodoiulus niger
- 4 Common Rough Woodlouse Porcellio scaber

Spiders, harvestmen etc.:
- 5 Missing Sector Orb-web Spider Zygiella x-notata [Silver-sided Sector Spider]

At last: a cranefly I can identify. This is Tipula lateralis identified by the pale line running down the abdomen, the dark and pale shading in the wing, the longer antennae seen on many craneflies and its large size – up to 2cm.

(Ed Wilson)

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The Flash: 09:20 – 10:25

(217th visit of the year)

Definitely a "heron" day with six Grey Herons, three Little Egrets and two Great (White) Egrets on the island.

Bird notes:
- again just the four Canada Geese that never seem to fly anywhere.
- six Mute Swans still.
- no Tufted Duck found.
- 43 brownhead Goosander.
- one full adult Great Crested Grebe was seen with just two juveniles. Much later this a repeated sighting in a different part of the water but were they different birds? There was also an immature noted at the top end.

Bird(s) noted flying over here:
- 6 Jackdaws

Noted on / around the water:
- 4 Canada Geese
- 6 Mute Swans
- 29 (17♂) Mallard
- no Tufted Duck
- 43 (0♂) Goosander
- 3 Moorhens only
- 16 Coot
- 2 (3?) + 2 (4?) (1 brood) Great Crested Grebe: see notes
- 21 *Black-headed Gulls
- 6 Cormorants
- 6 *Grey Herons
- 2 *Great (White) Egrets
- 3 *Little Egrets

Warblers noted:
- 4 Chiffchaffs: one of these in song

Noted around the area:
A few more things: the sun was out but possibly still too cool for some insects:

Bees, wasps etc.:
- >5 *Honey Bee Apis mellifera
- >5 *Common Wasp Vespula vulgaris

Hoverflies:
- 3 *Common Dronefly Eristalis tenax [Common Drone Fly]
- 1 *Syrphus sp.

Other true flies:
- greenbottles
- several other species of fly not identified

Bugs:
- 2 *Dock Bug Coreus marginatus

Beetles:
- 1 7 Spot Ladybird Coccinella 7-punctata

Spiders, harvestmen etc.:
- 1 *harvestman Opilio canestrinii

On the left a Little Egret with a black bill. On the right a Great (White) Egret with a yellow bill. In between Black-headed Gulls in winter plumage.

On the left four of the six Grey Herons. In the tree the other Great (White) Egret. In the water seven Black-headed Gulls in winter plumage with perhaps a Little Egret on the far right – hard to tell.

A Honey Bee Apis mellifera has found a flower with nectar. I must try and identify the plant sometime.

A Common Wasp Vespula vulgaris. This species because the yellow band on the side of the thorax is parallel-sided.

A Common Dronefly Eristalis tenax tucks in to the Ivy blossom, yet to open fully.

A Syrphus hoverfly that is hiding the hind leg that might enable specific identification.

Only when I looked at my photo of this Dock Bug Coreus marginatus did I notice there is an instar of the species intruding in to the top of the picture.

A very sorry-looking harvestman Opilio canestrinii that has lost half its legs. All harvestmen are prone to losing legs to escape predators. They cannot regrow legs which spiders, before their final moult, can do.

Plane(?) of the day. It is a Thruster T600N 450 Sprint, a two-seat microlight design originating in Australia and licence-built in Langworth, Lincolnshire. This particular example is currently under-going a change of ownership on the aviation register, its last recorded owner being on the Isle of Man. It does not seem to have, or use, a transponder so I cannot say anything about its flight.

(Ed Wilson)

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2011
Priorslee Lake
115 Greylag Geese
420+ Canada Geese
Shoveler
Common Sandpiper
Kingfisher
3 Blackcaps
12 Chiffchaffs
(Ed Wilson)

25 Sep 26

Priorslee Balancing Lake and The Flash

12.0°C > 14.0°C > 12.0°C: Early fog lifting to give a few bright intervals. Then after 09:20 drizzle, often heavy. Once again there were light winds early with a moderate north-westerly breeze developing. Very good visibility until drizzle when moderate at best.

Sunrise: 07:00 BST

* = a species photographed today.
! = a first sighting of the species this year
$ = a new species for me in this area

Priorslee Balancing Lake: 05:50 – 09:20

(219th visit of the year)

Highlight today was the arrival of two *Great (White) Egrets at 07:45. They stayed about 15 minutes before heading off West

Other bird notes:
- the pair(?) of Mute Swans throughout.
- much flying about by the Mallard. Possible (many?) more that I have logged.
- no Little Grebe seen or heard but with fog early that may not mean much.
- gull counts badly affected by the fog:
- about 200 Black-headed Gulls were still present early when the fog temporarily thinned around 07:00. After 08:30 only 28 seen. I did not bother with the football field.
- I counted 62 Lesser Black-backed Gulls leaving to the East after c.06:45 with at least 75 still on the water. No Herring Gulls identified at that time but with many on the water being first year birds it was difficult to be sure. There was no big arrival / return later with just 29 Lesser Black-backs and a single Herring Gull noted
- just seven Chiffchaffs were noted with two of these heard singing.
- most of the Jackdaws and all of the Rooks on roost dispersal overhead were lost in the mist.

Bird(s) noted flying over here:
- 4 Lesser Black-backed Gulls
- 1 Stock Dove
- 19 Wood Pigeons
- 38 Jackdaws
- no Rooks

Counts from the lake area:
- 2 Mute Swans
- 19 (?♂) Mallard
- 3 (0♂) Tufted Duck
- 5 Moorhens again
- 46 Coot
- no Little Grebe
- 10 *Great Crested Grebes only
- >200 Black-headed Gulls
- 1 Herring Gull
- >150 Lesser Black-backed Gulls
- 4 *Cormorants: arrived separately
- 2 *Grey Herons
- 2 *Great (White) Egrets: arrived and departed

Warblers noted:
- 7 Chiffchaffs: of these two in song

Also noted:
Very little.

Bees, wasps etc.:
- Common Wasp Vespula vulgaris

True flies:
- cranefly Tipula confusa

Beetles:
- *(dead?) ground-beetle from the Pterostichus genus

Fungus:
- *Brown Rollrim Paxillus involutus

On the West end street lamp poles before dawn:

Moths / Butterflies:
- 1 *unidentified caterpillar

True flies:
- 1 female Spotted-winged Drosophila Drosophila suzukii
- 1 small midge

Beetles:
- 1 probable Cabbage-stem Flea Beetle Psylliodes chrysocephala

Spiders, harvestmen etc.:
- 1 *Garden Spider Araneus diadematus [Garden Cross Spider]

Is the juvenile Great Crested Grebe feeding or drowning?

Don't snatch!

Juvenile makes off at high speed.

One minute before I took this photo of a Cormorant there was a Grey Heron on the buoy.

 It is a good trick if you can do it - balance on one leg on a buoy. A Grey Heron shows how...

Image to come

 It needs a bit of wing-flapping to get stability. 


Is this really more stable?


Two Great (White) Egrets arrive.

One touching down at the edge of the water.

The two checking this-way-and-that. A juvenile Great Crested Grebe in the foreground.

What has caught their attention?

Two sparring Grey Herons perhaps.

Time to move on.

Obviously a caterpillar (or larva) but of what? Obsidentify was no help at all. Google Lens suggested Goat Moth Cossus cossus and the accompanying photos looked promising. However reference to the West Midlands Moths web site told me that this species was in serious decline and is probably extinct in the region, the last record being from Staffordshire in 1983. I'll see what the Shropshire recorder makes of it.

A more-or-less side-elevation view reveals hairs that the plan view did not show.

This is, or perhaps was, a ground-beetle from the Pterostichus genus. Further identification would have required clear view of the antennae and all the legs. Google Lens thought P. melanarius. The gallery in NatureSpot shows too many very similar species, all with identification difficulty flagged "red", for me to be confident. It was lying in the gutter along Teece Drive.

Alongside one of the street lamp poles pre-dawn I noted this Garden Spider Araneus diadematus sitting in its web awaiting a client.

A well-chewed fungus!

And from the side. I realise these are not good photos. Normally I would use my phone camera which takes much better close-ups as it acts more like a pin-hole camera and has a much greater depth of focus. I left the phone at home – doh! However I am sure this the very common Brown Rollrim Paxillus involutus.

(Ed Wilson)

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In the Priorslee Avenue tunnel:

Moths:
none

True flies:
- 16 midges of at least three species
- 2 moth fly Psychodidae sp. [Drain Fly or Owl Fly]
- 1 winter cranefly Trichocera sp.

Arthropods:
- 2 White-legged Snake Millipede Tachypodoiulus niger
- 8 Common Rough Woodlouse Porcellio scaber

Spiders, harvestmen etc.:
- 12 Missing Sector Orb-web Spider Zygiella x-notata [Silver-sided Sector Spider]

(Ed Wilson)

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The Flash: 09:25 – 10:15

(216th visit of the year)

We were all affected by the soaking drizzle

Bird notes:
- just the four Canada Geese that never seem to fly anywhere.
- six Mute Swans again.
- a single duck/immature Tufted Duck noted: four of them certainly drakes.
- 37 brownhead Goosander.
- one full adult Great Crested Grebe was sometimes with the four dependent juveniles one of which is declaring UDI much of the time. No other full adult seen but an immature was at the top end.
- an adult and three immature Lesser Black-backed Gulls arrived.
- two Cormorants were arriving as I was departing. None had been sitting in the trees previously.

Bird(s) noted flying over here:
None

Noted on / around the water:
- 4 Canada Geese
- 6 Mute Swans
- 33 (19♂) Mallard
- 1 (0♂) Tufted Duck
- 37 (0♂) Goosander
- 6 Moorhens
- 18 Coot
- 2 + 4 (1 brood) Great Crested Grebe: see notes
- 21 Black-headed Gulls
- 4 Lesser Black-backed Gulls: arrived together
- 2 Cormorants: arrived
- 2 Grey Herons
- 2 Little Egrets remain

Warblers noted:
- 1 Chiffchaff in song

Noted around the area:
Almost nothing in the drizzle apart from....

Bees, wasps etc.:
- >10 Common Wasp Vespula vulgaris

(Ed Wilson)