Site details. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Map of OPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2008 sightings
Pictures from other locations. . . . . . . . . . . . . . . . . . . . . . . . Links. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2004-2007 sightings
Contact information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Latest Site Species List. . . . . . . . . . . . . . . . . . .Earliest/Latest Dates
Saturday 7/11/09 –
The first cold day of autumn (0.5 degrees C) brought an influx of c30 Blackbird, including 15 together along
the main
The High Tide roost on Lagoon 3 held 6 Ringed Plover and c130 Lapwing. Also: 1 Chiffchaff, 8 Reed Bunting, c400 Starling (in 2 large flocks), c50 Meadow Pipit (c30 on Lagoon 1), 5 Fieldfare and c40 Redwing.
Saturday 31/10/09 – WK reported: 2 Stonechat, c150 Pied Wagtail, 1 Black-tailed Godwit and 104 Lapwing.
Friday 30/10/09 – WK reported: c100 Mallard, 30 Teal, 73 Lapwing, 1 Black-tailed Godwit, 5 Dunlin, 93 Pied Waqtail and 1 Rock Pipit.
Thursday 29/10/09 – The Black Redstart was in the same place – but it is a male (got a nearer view of it). Also the male Blackcap in same place.
Wednesday 28/10/09
– 46 Canada Goose flew
downriver in two skeins. About a mile inland of OPS were 2 Little Egret on a
Monday 26/10/09 – A Black Redstart was mobile between Lagoon 2 and the cooling towers (favouring fly-catching high up on the right-hand tower). A male Blackcap along the bridleway to the shore was most probably a winter migrant. c20 Chaffinch and 4 Skylark went over. Waders: c200 Lapwing, c20 Redshank and 6 Ringed Plover. Butterflies: 2 Clouded Yellow and 2 Painted Lady.
Saturday 24/10/09
– A wet and grey day. A Green
Sandpiper flew around lagoon 3, and looked like it went down. 2 Yellowhammer flew into the hedge by
Lagoon 1, and a Rock Pipit by the
outfall there. A Little Egret on the
main
Tuesday 20/10/09 – RA reported: 2 Little Egret at Shepperdine.
Sunday 18/10/09
– A Kingfisher was along the
main
Photos by RL from 14/10/09 . . .
Male Kestrel Dragonfly
that took 2 hours to emerge from the pond by Lagoon 2 – Common Hawker, I
think.
Saturday 17/10/09 – The following heading over to NE: 20 Fieldfare, 120+ Redwing, 21+ Skylark, 2+ Reed Bunting, c300 Starling, 2 Bullfinch, c15 Greenfinch, c15 Chaffinch, 44 Woodpigeon, 18 Jackdaw, 1 Pied Wagtail.
There were 2 Grey
Wagtail on the main
AM reported: 1 Kingfisher and the Mandarin Duck at Shepperdine.
Sunday 11/10/09 – A Rock Pipit on Lagoon 3, a Swallow (Lagoon 2) and 2 Song Thrush over.
Rock Pipit on Lagoon 3
outfall pipe.

Saturday 10/10/09 – A glorious sunny autumnal morning. The male Mandarin Duck is coming into adult plumage, and was with the 100+ Mallard flock on the shore. At the yacht club were 4 Stonechat (with another reported by AM on Lagoon 3) and 31 Canada Goose. There were c140 Lapwing roosting on lagoon 3 and 1 Knot, 5 Black-tailed Godwit, 40+ Redshank and 6 Dunlin along the shore. A Mistle Thrush was in fields to south of Lagoon 2 and a Little Egret roosted there. 13+ Skylark were in flight, mainly upriver and c50 Meadow Pipit were around (including c20 on top of cooling towers). MP also reported Goldfinch, Chaffinch and Starling moving downriver. A singing Chiffchaff was among 3 seen, and a Blackcap gave a ripple of sub-song.
Butterflies: 1 Clouded Yellow (AM), 3 Tortoishell, 2 Painted Lady, 1 Red Admiral and 3 more unidentified.
Mandarin Duck on shore
by Water Works.(Compare this photo to the one of the same bird on 8/8/09 !!)

Thursday 8/10/09 – Photos from RL . . .
Sparrowhawk Lapwing
on Lagoon 3
Buzzard

Sunday 4/10/09 – 3 House Martin still and a Little Egret.
Saturday 3/10/09 – A few House Martin and Swallow around the towers. MP reported a Pintail on Lagoon 3.
Friday 2/10/09
– WK reported: 1 Whinchat, 53 Pied Wagtail, 2 Grey Wagtail and 10 Meadow
Pipit.
Mediterranean Gull, Lagoon 3, 1/10/09
(Photo by MP)

Thursday 1/10/09 – MP reported: an adult Mediterranean Gull and the Mandarin Duck on Lagoon 3.
RL reported: 2 Stonechat and 100+ Goldfinch on Lagoon 2.
Green Woodpecker in Meadow by Lagoon 2 pond. (Photo by RL) Stonechat, Lagoon2. (Photo by RL)
Hobby over the Nature
Trail, 17/9/09 (Photo and report by RL)

Sunday 27/9/09 – The only birds of note were a Little Egret and 2 Grey Wagtail.
Saturday 26/9/09 – The male Mandarin Duck is on lagoon 3, where water is being pumped in. It is starting to moult into breeding plumage. Newly cut hedges held c15 House Sparrow and 12 Dunnock (!). There were 47 Redshank on the shore but the only other waders were 3 Dunlin, 10 Lapwing and 2 Oystercatcher. A Grey Wagtail was seen several times and a Skylark went over.
A Stonechat was reported at the yacht club.
Saturday 19/9/09
– A Brent Goose (Dark-bellied)
was along the shore towards the yacht club at High Tide. Around Lagoon 3 were:
1 Spotted Flycatcher, 2 Lesser Whitethroat, 1
AM reported (for duck-count day): 54 Teal, 79 Wigeon, 35 Turnstone (roosting on green ‘ledges’ buoy), 11 Shelduck, 42 Lapwing, 5 Wheatear, 19 Curlew, 97 Mallard, 9 Cormorant, 13 Ringed Plover, 36 Dunlin, 2 Little Egret and 9 Buzzard (6 soaring over No3, whilst 3 were perched on a pylon underneath. These included a very pale one with white head and creamy undertail without any barring.)
Dark-bellied Brent Goose, on the river.
Friday 18/9/09 – The Mandarin Duck was back with the Mallard flock on the shore again this evening. The Greenshank was on Lagoon 1 with c200 Curlew, 14 Black-tailed Godwit, 5 Snipe and 18 Lapwing. Also: another c200 Curlew at the yacht club, 3 Wheatear, 24 Canada Goose (Shepperdine), 100+ House Martin and a Little Owl calling.
Thursday 17/9/09 – RL reported a Hobby over the Nature Trail.
Wednesday 16/9/09 – Lagoon 1 is looking brilliant at the moment, with lots of mud showing, and for once it delivered ! On Lagoon 1 this evening were: 1 juvenile Curlew Sandpiper, 1 Spotted Redshank, 1 juvenile Little Ringed Plover, 1 Greenshank, 5 Snipe, 1 Turnstone, 4 Dunlin, 14 Lapwing, 4 Black-tailed Godwit, 16 Curlew, 3 Heron, c20 Wigeon and c50 Teal. The best list of species I can ever remember there ! A male Gadwall was on the lake. There were c500 Black-headed Gull on Lagoon 3 and another c500 on the estuary, along with 20+ Common Gull. Also a Wheatear on the shore.
Spotted Redshank with Greenshank on Lagoon 1. Gadwall on the lake.
Sunday 13/9/09
– A Greenshank was on the
shore at Shepperdine, with 9 Black-tailed
Godwit, c50 Dunlin and c10 Ringed Plover. Lagoon 1 had 4 Snipe, 56 Teal and 11 Lapwing. A Little Egret was on the main
Snipe, Lagoon 1, 13/9/09.
Saturday 12/9/09
– Some good birds seen on a lovely sunny morning. A Spotted Flycatcher was on dead branches along the main
AM reported: 1 Greenshank on lagoon 1, 23 Lapwing and 53 Redshank.
MP also reported 2 Wheatear and c500 House Martin around the towers early morning.
Black-tailed Godwit and Wheatear (photos by MP), 12/9/09.

Sunday 6/9/09 – AM reported: 1 Knot, 1 Little Egret, 10 Black-tailed Godwit, 157 Dunlin, 54 Ringed Plover, 78 Teal, 50 House Martin and 20 Meadow Pipit.
Saturday 5/9/09 – A Greenshank flew from the yacht club, close past me upriver; it circled lagoon 3 and then went high over the power station. Two Little Egret were roosting in a field. A Sedge Warbler was in the reeds on lagoon 2. There were 8 Black-tailed Godwit on lagoon 1 and 7 Meadow Pipit were the first of the autumn.
Friday 4/9/09
– WK reported: 1 Whimbrel, 233
Black-headed Gull, 5 Black-tailed Godwit, 85 Teal (lagoon 1) and 1
Thursday 3/9/09 – An early morning visit didn’t produce any seabirds in the wind. But on the high tide a Sanderling was with c25 Dunlin and c30 Ringed Plover.
Also a Treecreeper
with a tit flock in trees at the far end of the main
Wednesday 2/9/09 – MP/AM reported: 175 Dunlin, 68 Ringed Plover, 6 Turnstone, 1 Knot, 1 Little Egret, 5 Black-tailed Godwit, 2 Snipe, 5 Wheatear, 1 Lesser Whitethroat, 4 Whitethroat and 4 Blackcap.
Monday 31/8/09 – 4 Knot and a Little Egret at Shepperdine. 10 Black-tailed Godwit on Lagoon 1 at High Tide. A Lesser Whitethroat was pecking at Blackberries on Lagoon 2.
AM reported this morning: 2 Whimbrel, 24 Redshank (Oldbury Gout), 4 Wheatear (Yacht Club), 1 Garden Warbler and a few Sand Martin with a House Martin in Swallow flocks. Also a Common Gull with a broken wing on the island in the lake.
Knot, Shepperdine, 31/8/09.
Sunday 30/8/09 – A juvenile Little Grebe was on Lagoon 1 this afternoon, with 10 Black-tailed Godwit. Along the shore were: 1 Whimbrel, 2 Knot, 86 Ringed Plover, 165 Dunlin and 146 Mallard. A Yellow Wagtail was with c40 Pied Wagtail by the small pond between Lagoons 1 and 2.
Saturday 29/8/09 – Plenty of small birds in the bushes, including: 2 Lesser Whitethroat, 2 Whitethroat, 5 Blackcap and c15 Chiffchaff. Lots of Swallow around still, plus Sand Martin and House Martin. Also, 5 Black-tailed Godwit on the shore and a Skylark.
MP also reported: a Ruff downriver, 19 Dunlin, 41 Ringed Plover, 6 Snipe (Lagoon 1), 2 Wheatear and 1 Whimbrel.
MB reported a Kingfisher
along the main
Friday 28/9/09
– WK reported: 2 Kingfisher
again on the main
Thursday 27/8/09 – MP/AM reported: 2 Arctic Skua (dark phase) flew downriver close to the power station at 11.35am, 1 Little Egret, 134 Teal, 2 Wigeon, 1 Shelduck, 180 Dunlin, 170 Ringed Plover, 2 Turnstone, 14 Black-tailed Godwit, 3 Oystercatcher, 1 Whinchat, 3 Wheatear and 2 Kingfisher along the main rhine.
Wednesday 26/8/09 – 12 Black-tailed Godwit and a Wheatear along the shore this evening. Didn’t see the Wood Sandpiper, but c50 Teal, 1 Wigeon and 1 Shoveler on Lagoon 1.
Sunday 23/8/09 – The Wood Sandpiper remains on Lagoon 1, and a Green Sandpiper flushed from there. A Common Sandpiper on the shore completed the set ! The Mandarin Duck put in a surprise reappearance with the Mallards at Shepperdine. Also: 8 Black-tailed Godwit, c90 Dunlin and c70 Ringed Plover.
Wood Sandpiper, Lagoon 1, 23/8/09.

Saturday 22/8/09 – The juvenile Wood Sandpiper was present on Lagoon 1 for its 5th day. (Can be elusive, but is not flighty.) A large number of warblers in the hedges along Lagoon 2, including: 3+ Garden Warbler, 1 Sedge Warbler (juv in reeds), 1+ Lesser Whitethroat, 3+ Whitethroat, 1+ Willow Warbler (singing) and c10 Chiffchaff (2 singing). A Greylag Goose (partial farmyard-type - white head and primaries) was with 58 Canada Goose which flew upriver at High Tide. A total of c100 Dunlin and c75 Ringed Plover. Also, 5+ Yellow Wagtail, 5 Black-tailed Godwit and 3 Snipe on Lagoon 1.
AM also reported: 1 Wheatear, 16 Yellow Wagtail, 86 Teal and 1 Reed Warbler.
Wood Sandpiper, Lagoon 1, 22/8/09.
Friday 21/8/09 – WK reported 60+ House Martin.
Thursday 20/8/09 – Wood Sandpiper reported again on lagoon 1.
Wednesday 19/8/09 – AM reported: The juvenile Wood Sandpiper still on lagoon 1 and showing well at times. Also: 121 Ringed Plover, 66 Dunlin, 8 Black-tailed Godwit, 1 Kingfisher, 1 Little Egret, 3 Yellow Wagtail, 1 Wheatear, 4 Shoveler and a juvenile Peregrine chasing small waders in mid-river, at high tide.
Wood Sandpiper, Lagoon 1, 19/8/09. (Photo by MP)
Tuesday 18/8/09 – MP reported: A juvenile Wood Sandpiper on lagoon 1 in the morning (only 4th record at the site).
AM also reported: 12 Black-tailed Godwit, 22 Ringed Plover, 27 Dunlin, 95 Teal and 4 Raven.
Sunday 16/8/09 – AM reported: 1 Sanderling, 1 Black-tailed Godwit , 74 Dunlin, 51 Ringed Plover, 3 Shoveler and 2 Wigeon in afternoon.
Saturday 15/8/09 – 9 Black-tailed Godwit, 16 Ringed Plover and 14 Dunlin.
[Also an archaeologist with some Roman pottery from an encampment along the shore.]
Friday 14/8/09 – The male Common Scoter was still on the tidal reservoir at 8pm. On the shore were 8 Black-tailed Godwit and a Knot. Lagoon 1 had 75 Teal and 5 Shoveler.
AM reported: An adult male Common Scoter on the Tidal Reservoir at 8.40am, 5 Whimbrel, 4 Black-Tailed Godwit, 9 Dunlin, 6 Lapwing, 80 Goldfinch feeding on Thistle seeds and 8+ Blackcap feeding on Elderberries.
Common Scoter on tidal reservoir, 14/8/09.
Tuesday 11/8/09 – WK reported a ‘ringtailed’ Hen Harrier over Lagoon 2 at 3.45pm.
Sunday 9/8/09 – The Mandarin Duck was again on the lake this morning and again relocated to the shore, where it stayed until 9am at least. A Hobby was also seen again, this time inland of Shepperdine. Lagoon 1 held 6 Shoveler, 55 Teal and 3 Black-tailed Godwit. A Lesser Whitethroat was in the small wood towards the yacht club, and 23 Redshank were on the shore there. Also a Wheatear on the shore and 2 migrant Goldcrest (not seen at site since March). The female Peregrine was protecting a kill on the tower with her wings, and the male was calling from 5 yards away; presumably asking for a share ! [Belated report from a security guard of a Peregrine taking a Pigeon in February at 4:30am – that’s at night, seen in the lights from the power station.]
Wheatear, on shore,
9/8/09. Hobby – it has just landed and
it’s wings are forked underneath as not yet folded.
(Photo taken at a distance of about half a mile !)

Saturday 8/8/09 – A glorious sunny and still morning, with some good birds. A juvenile, or eclipse, male Mandarin Duck was on the lake, and then flew to the shore where it stayed with the 80+ Mallard flock until 11am when it flew upriver. (The 8th record at the site.) There were a lot of birds along the bridleway by the main rhine, including: 3 Garden Warbler (thanks AM), 6 Blackcap (3 juvs), 2 Whitethroat, 1 Willow Warbler, 2 Great Spotted Woodpecker (female + juv) and many Chiffchaff (2 still singing). A Hobby dashed through lagoon 2 and then soared high over the towers. A Yellow Wagtail went over several times.
AM also reported 3 Common Sandpiper.
That’s 121 species seen at the site this year (with my own total
on 113).
Mandarin Duck on
Friday 7/8/09 – In the evening roost on lagoon 3: 1 adult Mediterranean Gull, 1160 Black-headed Gull and 63 Common Gull. Another c400 Black-headed Gull at the yacht club and also there: 5 Common Sandpiper (+ another at OPS), 18 Canada Goose, 6 Redshank, 3 Ringed Plover and 3 Dunlin. A Whimbrel flew downriver and a flock of 16 Shelduck flew upriver at a height of c300m – seemed to be migrating, possibly after moulting. Also, 5 Lapwing.
Thursday6/8/09
– AM reported: 800 Black-headed
Gull, 8 Common Sandpiper, 3 Wheatear, 31 Teal, c55 Redshank, 32 Curlew, 1 Black-tailed Godwit, 23 Dunlin,
3 Lapwing and 200+ House Martin around
Wednesday 5/8/09 – An adult Mediterranean Gull in the evening roost on Lagoon 3 with c600 Black-headed Gull, 53 Common Gull, 4 Great Black-backed Gull, 7 Ringed Plover and 6 Dunlin. 5 Whimbrel and c40 Curlew flew downriver. There were 2 Common Sandpiper at Shepperdine and 8 Canada Goose on Lagoon 1. A Little Egret in flight. 10 House Martin and c100 Swallow over Lagoon 2.
Mediterranean Gull, Lagoon 3, 5/8/09.
Tuesday 4/8/09 - MP reported: 3 Common Sandpiper, 4 Sand Martin, 69 Mallard, 5 Teal and 120 Curlew.
Monday 3/8/09 – MP reported: 1 Yellow Wagtail, 1 Common Sandpiper, 2 Peregrine (including a juvenile), 250 Curlew, 5 Oystercatcher, 30 Dunlin, 4 Ring Plover, 4 Kestrel (including 2+ juveniles) and 2 Teal.
Sunday 2/8/09 – An adult Little Stint at Shepperdine with 21 Dunlin, 1 Ringed Plover, 2 Oystercatcher, 2 Teal again and 7 Canada Goose.
Little Stint, Shepperdine, 2/8/09.
Saturday 1/8/09 – A few waders at Shepperdine at High Tide: 1 Knot, 8 Turnstone, 3 Ringed Plover, 2 Dunlin, 2 Redshank, 4 Oystercatcher and 15 Curlew. There were also 2 juvenile Teal there. A Little Egret and a Sand Martin were at Lagoon 1.
[The Canada Goose family have finally flown from the
Knot, Shepperdine, 1/8/09.
Saturday 25/7/09 – 2 adult Common Tern over the tidal reservoir and then downriver early morning.
MP reported: an adult Mediterranean
Gull and 19 Common Gull. Also,
the following at
Thursday 23/7/09 – MP reported: 1 adult Yellow-legged Gull on Lagoon 3 again (but no Med. Gulls).
Wednesday 22/7/09
– MP reported: 1 adult Yellow-legged
Gull on Lagoon 3. (Matt – thanks for reports and photos.)
Yellow-legged Gull, Lagoon 3, 22/7/09.
Tuesday 21/7/09 – MP reported: 4 Mediterranean Gull (2nd summer and 3 adults), 350 Black-headed Gull (including 9 juveniles), 3 adult Common Gull, 5 Great Black-backed Gull, 6 Lesser Black-backed Gull and 9 Herring Gull in the evening roost on lagoon 3.
2nd Summer (preening in middle of photo) and adult Mediterranean Gulls, Lagoon 3, 21/7/09.

Monday 20/7/09 – MP reported: 1 juvenile Yellow-legged Gull, 2 adult Mediterranean Gull, 22 Herring Gull, 4 Lesser Black-backed Gull, 6 Great Black-backed Gull (4 ad, 1 x 3rd summer, 1 juv), 3 adult Common Gull and 347 Black-headed Gull on lagoon 3.
Juvenile Yellow-legged Gull, Lagoon 3, 20/7/09.
Sunday 19/7/09
– 13
AM reported: 6 (adult) Dunlin, 3 Ringed Plover, 1 Whimbrel, 6 Curlew and an adult Mediterranean Gull.
Saturday 18/7/09 – An adult Yellow-legged Gull in the roost on Lagoon 3 this evening. Also a juvenile and adult Sedge Warbler in the reeds on Lagoon 2 and a juvenile Willow Warbler.
Adult Yellow-legged Gull, Lagoon 3, 18/7/09.
Sunday 12/7/09 – The High Tide roost this morning, on Lagoon 3 held: 1 Mediterranean Gull (2nd Summer), 1 probable Yellow-legged Gull (3rd year), 460 Black-headed Gull, 1 Common Gull, c20 Herring/LBB Gull and 1 Dunlin. Also a Common Sandpiper on the shore. The 4 juvenile Canada Goose are now fully grown and should be leaving very shortly.
AM reported: 103 Mallard, and Shelduck broods of 6 & 10 ducklings at the yacht club. Also another Common Sandpiper there.
Mediterranean Gull and probable Yellow-legged Gull, Lagoon 3, 12/7/09.

3-mast tall-ship sailing by upriver, 12/7/09.
Friday 10/7/09 – A Common Sandpiper, 18 Curlew and 1 Oystercatcher on the shore. 2 Common Gull with 500+ Black-headed Gull in the HT evening roost on Lagoon 3. c180 Swallow over Lagoon 2.
Wednesday 8/7/09 – MP reported a female Tufted Duck with 6 ducklings on the lake.
Sunday 5/7/09 – c150 Black-headed Gull and c20 Herring Gull on lagoon 3 at high tide, and 5 Oystercatcher at Shepperdine.
MB reported a Common Sandpiper.
Saturday 4/7/09 – AM reported Shelduck pairs with 11 and 6 ducklings and a sizable flock of 114 Curlew roosting at the yacht club.
Wednesday 1/7/09 – A pair of Green Woodpecker with 4 juveniles all together on the grass by the entrance. Also at least 2 juvenile Sedge Warbler in family group on Lagoon 2 (and 2 other adults still singing elsewhere). An impressive gathering of c500 Swallow over the reeds on Lagoon 2 at dusk – seemed to be going to roost there – appears to be a very good year for these locally, with very many juveniles.
[A late report by MB of 2 Cuckoo chasing each other around Lagoon 2, “a couple of weeks ago”.]
January to June 2009 sightings
Paul Bowerman's site with daily
bird sightings for
http://www.birder.pwp.blueyonder.co.uk/
Mike King's Gloster Birder site, with up-to-date bird sightings for Gloucestershire.
http://www.boc-bristol.org.uk/
Bristol Ornithological Club site.
http://www.thebirdsofsouthgloucestershire.co.uk/
Martin Hayes’ site – does what it says on the tin !
http://www.dursleybirdwatchers.btik.com
Dursley Birdwatching and Preservation Society.
http://www.swindon-birds.co.uk
Bird sightings for the
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