15 Jun 19

Priorslee Lake and The Flash

Priorslee Lake:  04:20 – 05:45 // 06:35 – 08:25
The Flash:  05:50 – 06:30

9.0°C – 12.0°C:  Low overcast again – the Telford ‘hat’: it was clearer under the cloud in many directions. Moderate, even fresh, SSW wind. Good visibility.

Sunrise: 04:44 BST

Priorslee Lake:  04:20 – 05:45 // 06:35 – 08:25

(153rd visit of the year)

Bird notes from today
- A pair of Tufted Duck flew W at 04:45: a pair was on the water c.05:00 only: and a pair flew E at 05:20. Same?
- A Common Tern flew straight over S at 05:20
- The Swifts were late arriving today with the first bird at 04:40
- A surprise was at least one Sand Martin with the other hirundines. Normally this species is only here on passage. I would have expected these birds to have gone at least two weeks ago.
- I arrived too late to see most of the passing Jackdaws and Rooks
- Yesterday’s Reed Warbler was still singing from near the S end of the dam: and today another new site with a bird singing along the S side. The first time since the arrivals started looking for breeding sites.
- A trio of juvenile Pied Wagtails on the sailing club pontoons.

Bird totals:

Birds noted flying over or flying near the lake.
- 11 Greylag Geese (six outbound; five inbound)
- 6 Canada Geese (outbound)
- 4 (2♂) Tufted Duck (see notes)
- 2 Cormorants
- 1 Common Tern
- 2 Stock Doves
- 1 Wood Pigeon only
- 1 Collared Dove
- 10 Jackdaws
- 4 Rooks

Hirundines etc. noted:
- >40 Swifts
- 1+ Sand Martin
- >5 Barn Swallows
- >5 House Martins

Warblers noted (singing birds):
- 7 (7) Chiffchaff
- 13 (11) Blackcaps
- 3 (2) Garden Warblers
- 2 (2) (Common) Whitethroats
- 1 (1) Sedge Warbler
- 6 (6) Reed Warblers

Counts from the lake area:
- 2 + 6 (1 brood) Mute Swans as usual
- 6 (5♂) + 2 (1 brood) Mallard
- 2 (1♂) Tufted Duck (see notes)
- 5 + 2 (1 brood) Great Crested Grebes
- 2 Moorhens
- 22 + 20 (7 broods) Coots

On the lamp poles pre-dawn:
- 1 Square Spot moth (Paradisa consonaria): my 27th species of moth here in 2019
- 1 Silver-ground Carpet moth

Seen later:
- >10 presumed Timothy Tortrix moths (Zelotherses paleana) flushed from grass when too dark to check

After a week of rain / several month’s worth of rain it was refreshing to see a least some sort of sunrise.

One of three juvenile Pied Wagtails in the same area. Paler than females and more obviously so compared with the handsome males.

The same bird. Juveniles can show a yellowish wash on the face – this one did in real life though the camera does not seem to have picked it up.

This moth seems to be a Square Spot (Paradisa consonaria). A new moth for me here and what is a rather thinly distributed species locally. Named after the (almost) square dark area in each forewing.

As they would say on the BBC “another chance to see” a Plum Tortrix moth (Hedya pruniana).

(Ed Wilson)

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The Flash:  05:50 – 06:30

(146th visit of the year)

Notes from here:
- Usual caveat over separation of duckling / duck Mallard.
- Better Coot juvenile count but brood(s) still missing / incomplete?
and
- Harlequin Ladybird (Harmonia axyridis) larva on a lamp pole.

Birds noted flying over / near here.
None

Hirundines etc. noted.
None

Warblers noted (singing birds):
- 2 (2) Chiffchaffs
- 3 (2) Blackcaps

Counts from the water:
- 3 + 4 Mute Swans per usual
- 2 Greylag Geese
- 97 Canada Geese
- 25 (16♂) + 6? (1 brood) Mallard
- 6 (3♂) Tufted Ducks
- 2 Great Crested Grebes as usual
- 3 Moorhens again
- 27 + 11 (4 broods) Coots

Here we see the larva of a Harlequin Ladybird (Harmonia axyridis). 

(Ed Wilson)

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Between the lake and The Flash:

At or around the lower pool (singing birds):
- 2 Moorhens: adult seen and another calling
- 1 Great Spotted Woodpecker
and
- flowers of Tutsan (Hypericum androsaemum).

At or around the upper pool (singing birds):
- 1 Moorhen calling

I have always thought of this as Rose-of-Sharon (Hypericum calycinum) but upon checking seems to be Tutsan (Hypericum androsaemum). Likely a garden escape and possibly a cultivar anyway!

(Ed Wilson)

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On this day..........
2016
Priorslee Lake
Today's Sightings Here

2010
Priorslee Lake
 5+ Willow Tits in the trees alongside the M54 slip-road
(J W Reeves)

2006
Priorslee Lake
Just 2 Mute Swan cygnets remaining, possible Mink in the area
(Martin Adlam)