25 Sep 19

Priorslee Lake and The Flash

Priorslee Lake:  05:50 –09:05
The Flash:  09:10 – 10:00

13.0°C > 14.0°C:  Very low cloud with mist and drizzle. Lifted somewhat and even a few bright spells. Initially calm; light NW breeze later. Moderate visibility, poor in drizzle.

Sunrise: 07:00 BST

Priorslee Lake:  05:50 – 09:00

(230th visit of the year)

Bird notes from today:
An 07:10 ‘football’ field count gave me 86 Black-headed Gulls, 13 Wood Pigeons, nine Magpies and 63 Pied Wagtails. Darker mornings means more disturbance from dog-walkers while I am doing the count. Many Pied Wagtails were moving about more than usual and some seemed to be already flying off. There may have been rather more than I have logged.

Other notes:
- Encouraged by their parents, most (all?) of the Mute Swan cygnets were trying their wings today and propelling themselves across the water with much splashing about. I am sure it won’t be long now before they achieve lift-off.
- A drake Gadwall was my first of the season here.
- A few immature large gulls stopped off early before a small group of 25, mainly adult, large gulls arrived at c.08:45. There was no obvious movement overhead as there had been all last week.
- A Tawny Owl was giving its wavering call inside the Teece Drive gate at 06:00. Judging by the commotion from Jays and Blackbirds later they had found its roost site.
- What is probably the same lost Racing Pigeon was seen on the roof of the academy again today.

Bird totals:

Birds noted flying over or flying near the lake:
***for most of the time only birds flying directly overhead were visible due to mist and low cloud***
- 9 Canada Geese (2 groups outbound)
- 1 Sparrowhawk
- 1 Lesser Black-backed Gull: adult
- 8 unidentified large gulls: too dark to ID
- 65 Wood Pigeons
- 1 Collared Dove
- 17 Jackdaws
- 31 Rooks
- 3 Starlings

Hirundines etc. noted
None

Warblers noted (singing birds):
- 4 (0) Chiffchaffs
- 1 (0) Blackcap

Counts from the lake area:
- 2 + 6 (1 brood) Mute Swans
- 1 (1♂) Gadwall
- 3 (2♂) Mallard
- 10 (3♂) Tufted Ducks
- 1 Grey Heron again
- 8 adult + 2 immatures + 9 juvenile (3 broods) Great Crested Grebes again
- 6 Moorhens (ages?)
- 112 Coots
- >85 Black-headed Gulls
- 26 Lesser Black-backed Gulls: just four of these first-winter birds
- 3 Herring Gulls: only one of these first-winter birds
- unidentified large gull: too dark to ID
- 1 Kingfisher

On the lamp poles pre-dawn:
- 1 springtail Pogonognathellus longicornis
- 1 Common Green Lacewing (Chrysoperia carnea)
- 1 ground beetle species, perhaps Pterostichus nigrita
- 1 unidentified spider.

Even fewer later sightings:
- 2 Grey Squirrels

Despite being six feet up a lamp pole this is a species of ground beetle – perhaps that is why it fell off. I think it is Pterostichus nigrita, or perhaps another species in that genus.

Today’s unidentified spider.

(Ed Wilson)

------------------------------------------------------------------------------------------------------

The Flash:  09:10 – 10:00

(218th visit of the year)

Notes from here:
- Just 3 Canada Geese and the noisy feral goose present when I arrived: very big groups of geese arriving thereafter with almost all the 180+ Greylag Geese arriving together.
- In addition to the family party of Greylag x Canada Geese there were three other ‘mixed’ geese.
- Low number of Tufted Duck.
- The 10 brownhead Goosanders were all resting on or preening alongside the island and refused to be dislodged by the arriving geese.
and
- 1 cranefly, possibly Rhipidia maculata, high up a lamp pole
- 1 Dicranopalpus ramosus harvestman on the usual lamp pole with ...
- 1 Leiobunum rotundum harvestman on the same pole
- 1 Grey Squirrel

Birds noted flying over / near The Flash:
- 1 Feral Pigeon
- 6 Wood Pigeons
- 3 Jackdaws again
- 2 Pied Wagtails

Hirundines etc. noted.
None

Warblers noted (singing birds):
- 1 (0) Chiffchaff

Counts from the water:
- 3 Mute Swans as ever
- >180 Greylag Geese
- 8 Greylag x Canada / Feral Geese
- >170 Canada Geese
- 39 (22♂) Mallard
- 16 (6♂) Tufted Duck only
- 10 (0♂) Goosanders
- 2 Great Crested Grebes still
- 5 Moorhens
- 18 Coots
- 5 Black-headed Gulls: none of these first-winter birds
- 1 Kingfisher

Three of the group of 10 brownhead Goosanders here. Seems to be a conversation going on. The bird on the left has no white streak on the face suggesting this is an adult duck whereas the others are immatures. These cannot be sexed at this age – well not by sight anyway.

And here are another four brownhead Goosanders, all preening. The outer two birds, at least, also show white on the face suggesting they too are immature birds. A duck Mallard gets in the photo.

Rather too high up a lamp pole to get a decent shot, this is one of the Limonid Craneflies – craneflies that habitually rest with the wings folded over their back. The common craneflies of the Tipula genera rest with wings held more or less at right angles to their body. This may be the species Rhipidia maculata – almost all the other Limonids fly only in Spring. There are, however, over 300 species of cranefly in the UK and most of them are not illustrated in any of my literature or on the web.

(Ed Wilson)

------------------------------------------------------------------------------------------------------
On this day..........
2018
Priorslee Lake
Today's Sightings Here