Seventy Acres Lake: m Red-footed Falcon drifted low south toward Fisher's Green at 11:25hrs, 14 Hobby between there and the Police Pit, 3 Nightingale (J.Murray & J.Murray Snr).
Greenwich Peninsula: Red-backed Shrike adult male in fenced off scrubby area immediately east of Peartree Way, showing well at times and singing occasionally (Richard Green). Present until 19:15hrs at least (Nick Tanner)- pics at 
Beddington SF: 2 Shelduck, Madagascar Teal (esc), Common Sandpiper (Dip or Glory).
Rainham Marshes RSPB: 2 Black Swan, 4 Hobby, 17 Ringed Plover, Dunlin, Knot, 5 Sanderling, Little Stint, (ELBF), 1s Little Gull (Birdguides).
Crossness LNR: Sanderling at Thames opposite sewage works upstream of pier (Birdguides).
London Wetland Centre: 1st-y Caspian Gull, 1st-y Yellow-legged Gull in evening (JW), Peregrine, 2 Avocet (SBC).
Queen Elizabeth II Res: 2 Pergrine, Sanderling (SBC).
Spicer's Park (Romford): 4m Mandarin (Birdguides).
Lee Valley: no sign of Red-footed Falcon in 70 Acres Lake area but *18 Hobby hawking between there and North Met Pit (HertsBirding).
Beddington SF: Shelduck, Common Buzzard, Common Tern (Dip or Glory).
Stoke Newington: 6 Blackcaps and 1 Chiffchaff in Abney Park Cemetery, 11 Pochards, 4 Little Grebes, 2 Blackcaps, c30 Swifts & 2 House Martins Clissold Park (Mark Pearson Hackney Wildlife). 1 C. Tern, c8 Swift, party of c12 House Sparrow (TeRNS).
Richmond Park: Grey Plover ENE @ 10.25, Red Kite circling over Roehampton Gate @10.35 (JW).
Harlow (A414 west of town): Red Kite (ELBF).
Seventy Acres Lake (Lea Valley): 1s fem Red-footed Falcon still present and viewable from the Bittern Watchpoint cTL374030 to 12:35hrs at least (Birdguides), 2 Hobby, Redshank, 4 Cuckoo (3m/1f), 2 Nightingale, 17 Reed Warbler, 9 Garden Warbler, 2 Treecreeper (ELBF).
Brent Res: 1 Dunlin, 2 Common Sand, 100+ Swift (Roy Beddard).
Queen Elizabeth II Res: Peregrine, Greenshank over (SBC).
London Wetland Centre: Hobby, pr Avocet, 2 Common Sandpiper, 150 Swift (LWC website).
St James's Park: 3 Jackdaw north at 08.00 (Andrew Self).
Hampstead Heath: Egyptian Goose at Kenwood House Pond (Birdguides).
Stoke Newington: 1 C. Sandpiper, c60 Swift (TeRNS).
Stoke Newington Reservoirs: c270 Swifts, 45 House Martins and 4 Swallows, 12 singing Reed Warblers, 2 Sedge Warblers, 3 Common Whitethroats (one pair and a second singing male), 2 Common Terns, 3 Gadwall, 8 Pochards, 2 prs Reed Buntings (Mark Pearson Hackney Wildlife).
Beddington SF: 2 Shelduck, 2 Peregrine (m/f), Common Sandpiper (Dip or Glory).
Hyde Park/Kensington Gardens: 3 Egyptian Goose, fem Mandarin with brood of 3, fem Red-crested Pochard with brood of 5, Collared Dove east, c40 Swift, 2 Swallow north, c20 House Martin, Garden Warbler (Des McKenzie).
Alexandra Park: Jackdaw west, Swallow (Bob Watts).
Stoke Newington: 1 C. Sandpiper, 2 C. Tern (TeRNS).
Fisher's Green: 1s fem Red-footed Falcon still at Seventy Acres Lake Bittern Watchpoint cTL374030 to 14:30hrs at least, also c10 Hobby, 3 Cuckoo, 6 Sedge Warbler, 7 Garden Warbler, Water Vole (Des McKenzie, Nick Tanner).
Beddington SF: Little Tern over lake then south-west, 3 Common Tern, 4 Dunlin, Redshank, Hobby, 2 Peregrine (m/f), 5 Shelduck, Madagascar Teal (esc) (Dip or Glory).
Beechwood Avenue (Greenford): 2 Hobby chasing each other (1 bird calling), then a 3rd bird seen, also 1 Jackdaw (Neil Anderson).
Hall Marsh Scrape: 2 Redshank, 50+ House Martin (Des McKenzie, Nick Tanner).
Walthamstow Res: c300 Swift (Des McKenzie, Nick Tanner).
Waltham Abbey: Hobby over (Des McKenzie).
Staines Res: Dark-bellied Brent Goose through, Sanderling, Curlew Sandpiper, 3 Turnstone, 4 Little Gull, 4 Arctic Tern, Black Tern (North Basin) (Birdguides), in the evening single Arctic and Little Terns, plus the presumed escaped Ferruginous Duck on the S basin (Rob Innes, Franko Maroevic, Ken Purdey).
Brimsdown: M Black Redstart by the train station this morning (J.Murray).
Beddington SF: Osprey flew over low heading north (per JA).
Seventy Acres Lake (Cheshunt): 1s fem Red-footed Falcon present all day with up to 10 Hobbys at times, viewed from Bittern Watch Point (Birdguides), the other side of the lake is best for views from late morning (RBA), several Nightingales at power station, 3 Cetti's Warblers, several Garden Warblers, 3 Cuckoos, 50+ Swift, 3 Swallows, Com Sand, Redshank (David Callahan). Greenshank also reported flying over lake.
Rainham Marshes RSPB: 4 Temminck's Stint at Purfleet Scrape this p.m, 2+ Grey Plover, 3 Knot, 2 Sanderling, 3 Bar-tailed Godwit (Birdguides). Hobby, Wood Sandpiper, Little Stint, pair of Garganey.(Paul Hawkins)
London Wetland Centre: 1 Sanderling on shingle ridge off headley hide, best viewed from dulverton hide/observatory, 1 Common Sand, 1 Ringed Plover, c 4 Lapwing chicks (JPPW, DMonk), at least 7pr Common Tern now settled on tern rafts, 100+ Swift, 'good numbers' of House Martin (LWC website).
Purbrook Street,SE1: Sedge Warbler singing early am from isolated bramble in the estate (Richard Bonser).
Brent Reservoir: Wood Sand still in East Marsh at 07.05, also 3 Common Sands (Andrew Self); Wood Sand still at 12.00, also 5 Ringed Plover & 5 Common Sands (Roy Beddard)
Seventy Acres Lake (Lee Valley): 1st-summer female Red-footed Falcon with 5 Hobby at 11.56am viewable from Bittern watchpoint (RBA) - falcon and Black Tern still present and showing well at 14.30 (finders of falcon were Terry and Ann Smith) (Roy Woodward), 7+ Hobby present (Birdguides) - falcon still present at 20:00hrs (Birdguides).
Rainham Marshes RSPB: still 2 Temminck's Stint on Purfleet Scrape (viewable from visitors centre), m Garganey, Hobby, 6 Grey Plover, Greenshank (Birdguides).
London Wetland Centre: Caspian Gull 1st-year (JW).
Southgate: Bee-eater over High Street at 10:20hrs - reported as 'heard only' (Birdguides).
Brent Reservoir: Wood Sandpiper, 3 Ringed Plover, 2 LRPs, 3 Common Sands & Dunlin at 08.30 (Roy Beddard); 4 Common Sands, 2 LRPs and Wood Sandpiper still present at 18.30 (Thom Shannon & Nigel Biggs).
Bedfont Lakes CP: Little Owl @ 01:00 (Adam Cheeseman).
Hyde Park/Kensington Gardens: 2pr Egyptian Goose, m Mandarin, 2m Gadwall, fem Red-crested Pochard with brood of 5, m Peregrine east 12:50hrs, 19 Stock Dove, 250+ Swift, 4 Swallow, c150 House Martin (Swifts and hirundines following rain), 5 Blackcap, pr Nuthatch feeding young in nest, 9 singing Chaffinch (Des McKenzie).
Staines Res: Dunlin, at least 14 Turnstone scattered around the basins (12 on north, 2 on south), Common Sandpiper - very small unidentified wader on west side of North Basin loosley associating with Turnstones: smaller than Turnstone with very short black legs, medium length straight bill, dark back, white breast with very clear distinction between the two; no white shoulder like Common Sandpier; movements unlike Turnstone, quick pitter-patter walking action faster than Turnstone - 100's of Swift present (SurreyBirders) In the evening, drake Ferruginous Duck N basin (assumed to be the resident E Berks escape), two Hobbies (knocked a Swift into the S basin, then fished it out and carried it off), two Oystercatchers through, Dunlin, two Common Sandpipers, 13 Turnstones, two 1/s Little Gulls, 2/s Yellow-legged Gull, Little Tern N basin 1845-1930hrs at least (Rob Innes, Ken Purdey).
Queen Elizabeth II Res: Peregrine (SBC).
Beddington SF: Shelduck, Hobby, Greenshank, Common Tern (Dip or Glory).
Walton Res: 2 Yellow Wagtail (SBC)
Osterley Park: Whitethroat 5, Skylark 1, Mandarin (first brood this year, female + c5 young), Pochard m/f, Lapwing 1, Blackcap 1, Little Grebe 1, Great Crested Grebe 1 (Keith Fisher).
South Norwood Lake: 2 Great Crested Grebe, 3 Cormorant, 10 Tufted Duck, 1 Herring Gull, 10 Swift, 2 Swallow, 4 Blackcap, 1 Garden Warbler, 5 Chiffchaff, 2 Great Spotted Woodpecker, 1 Green Woodpecker, 1 Nuthatch, 2 Jay, 8 Ring-necked Parakeet, 6 House Sparrow (John Watson).
Dagenham Chase LNR: Red Kite between 1.55-2.03pm eventually drifting towards the Chadwell Heath area also 1 Peregrine Falcon, 1 Hobby, 1+ Common Tern, 1 Common Gull and 3 Gadwall (Vince Halley-Frame).
Rainham Marshes RSPB: 3 Temminck's Stint still at Purfleet Scrape this morning (Birdguides), at least 2 still present at 13:00hrs plus 2 Little Egret, at least 3 Hobby, 2 Avocet, 2 Little Ringed Plover, 10+ Ringed Plover, 2 Little Stint (both together on Purfleet Scrape before flying off with Ringed Plover), Greenshank, 2 Wood Sandpiper (3 on site), Common Sandpiper (Aveley Bay) - no sign of putative 'Spanish' Wagtail (Des McKenzie).
Tower Hamlets Cemetery: Red Kite and 2 Common Buzzards over 13:48-14:00 (Bob Watts per JA).
Alexandra Park: Red Kite N at 1415, probably same bird as above, with missing primaries (Dominic Mitchell).
Rainham Marshes RSPB: 3 Temminck's Stint still on Purfleet Scrape (can be viewed from sea wall), 4 Hobby, Greenshank, Wood Sandpiper (a.m.) (Birdguides); presumed Spanish Wagtail on Purfleet Scrape this afternoon (RBA) - all still present 19:00hrs (Birdguides).
London Wetland Centre: Peregrine 1 f, Hobby 1, Common Sandpiper 1, 1s Caspian Gull on main lake, 2 Yellow-legged Gull (ad/1s), 12 Common Terns, 4 Swallows through, 1 Garden Warbler (NPS), now 3 Lapwing chicks, 3 Sparrowhawk, 2 Hobby, Peregrine, 70 Swift, Lesser Whitethroat, Common Whitethroat (LWC website).
Crossness: male Blue-headed Wagtail on flooded paddock @ 10.00 (Ian Miller per JA).
Richmond Park: Tufted/Ring-necked drake hybrid & Common Sandpiper, Upper Pen Pond; Cuckoo still & Garden Warbler, Pond Plantation (JW).
East India Dock: LRP, 7 pairs Common tern, pair Linnet, pair Grey Wagtail off site, 3 Reed Warblers (David Callahan).
Tyttenhanger GP's: Garganey and 2 Greenshank on Main Pit (HertsBirding).
Walton Res: Whimbrel on the deck old Lambeth basin early am (viewed from K&B) (DMH).
Cowley Rec Ground (Uxbridge): 1 Cuckoo flying around singing, 5 Linnet and a family of Mistle Thrush (Bill Haines).
Lincoln's Inn Fields WC2: 1 Chiffchaff singing at 1.45pm (David Bradshaw).
Whitewebbs Wood and Forty Hall, Enfield: 4 male Mandarin Duck, at Whitewebbs Wood Lake; 2 Red-legged Partridge, at Guy Lodge Farm; 1 singing male Cuckoo, Hilly Fields Park; 1 female Green Woodpecker, Hilly Fields Park; 5 Swallow,(2 at Brayside Farm, 3 Guy Lodge Farm); 3 House Martin, at Guy Lodge Farm; 1 singing male Garden Warbler, at Lavender Hill Cemetery; 1 singing Treecreeper, at Whitewebbs Wood; 1 female Bullfinch, at Whitewebbs Wood (Robert Callf).
Blackhorse Road E17 : Hobby chasing Swifts over my house (Graeme Harper).
Regents Park: male Firecrest singing and showing well (Tony Duckett).
Rainham Marshes RSPB: 3 Temminck's Stint still present on Purfleet Scrape and showing well to 16:15hrs at least, viewable from sea wall (Birdguides); at least 2 still on Purfleet Scrape at 20:30hrs, also 2 Whimbrel, 18 R-N Parakeet over south, & 1 Cuckoo in the cordite (JL & VH-F)1 Grasshopper Warbler reeling opposite Tilda Rice factory 8.30pm ( V H-F ).
Crossness: Med Gull (1st summ) on Thames off incinerator mid morning (Ian Miller per JA).
East India Dock: 2 Oystercatchers (on wasteground to the east until 1030am), 2 LRPs (David Callahan).
Staines Reservoir (13:30-14:30): 7 Black Tern , 3 imm Little Gull, c50 Commic Tern, Redshank, 3+ Lapwing & 2 Dunlin (Bill Haines) also Med Gull (1st sum) late evening (KLP).
Walthamstow Reservoirs: Cuckoo calling at 13.30 (Graeme Harper), still present 1930h between resrs 2&3 and 42 Common Terns on East Warwick at dusk (Fraser Simpson).
Beddington SF: Hobby, fem Peregrine, 2 Greenshank (Dip or Glory).
London Wetland Centre: Hobby, 16 Lapwing (plus 2 chicks), 8 Redshank, Common Sandpiper, 14 Common Tern, 80+ Sand Martin, 4 Lesser Whitethroat (LWC website).
Beddington SF: Red Kite south 06:40hrs (Midlands bird) (SBC).
Hackney Marshes: Red Kite drifted north 10.30, 1 Common Sandpiper (R.Lea), 1 Lesser Whitethroat, 2 Jackdaws (unusual here) (Gary A James).
Rainham Marshes RSPB: 3 Temminck's Stint on Purfleet Scrape (viewable from visitor's centre) - 2 still present at mid-day (Birdguides), 3 again at 1615, also 2 Hobby (Peter Langsdon, Garry James), 2 Avocet seen late p.m. (Pete Jones), Tawny Owl, 2 Grasshopper Warbler (ELBF).
London Wetland Centre: R.B. Goose 2 escapees, m Garganey, 1 Whimbrel west, 1s Caspian Gull on main lake, Swallow 3 n, 1 Lesser Whitethroat, Willow Warbler 1, no sign of Stone-curlew this morning (NPS).
Cornmill Meadows: male Golden Oriole in willows on opposite side of dual carriageway from South West corner of meadows at 5.45pm (Roy Woodward), Hobby and Red Kite overhead at 5.50pm (Roy Woodward + Simon Papps), no further sign but Avocet from hide (Adam Wilson), 4 Shelduck, Kestrel, 4 Lapwing, Kingfisher, 2 Nightingale, Goldcrest (ELBF).
Banstead: Crossbill north at 09.15hrs (Steve Gale).
Trent Park Area: 1 singing male Cuckoo; 1 female Grey Wagtail, carrying food; 3 singing male Garden Warbler; 15 Long-tailed Tit, together, including many juvs, near Triangular Wood; 1 Small Copper; 1 Brown Silver-lines; 1 Common Blue Damselfly (Robert Callf).
Osterley Park: Spotted Flycatcher in gardens near house pm (NPS).
Wanstead Park: 2 Little Grebe, 3 Swift, 10+ House Martin (JL).
Alexandra Park: Jackdaw west 0653, Common Tern (Bob Watts).
Queen Elizabeth II Res: Peregrine (SBC).
East India Dock: LRP, 5+ Blackcap, 3+ Reed Warbler, Lesser Whitethroat, 2 Whitethroat, 14 Common Tern, Pied Wagtail, 3 Shelduck, 8 Sand Martin (Paul Hyland); also 4 GBBGulls in front of Dome, pair Linnet (David Callahan).
Holmethorpe SP's: Red Kite flew north 16:40hrs (SBC).
Queen Elizabeth II Res: fem Marsh Harrier flew SE 0637, 3 Turnstone until 0548 only, Greenshank & Peregrine (DMH).
Highgate: White Stork drifted NW 20:20hrs (Birdguides).
Addlestone: adult Rose-coloured Starling flew south over M25 J11 at 1230 (Richard Denyer per DMH).
Rainham Marshes: Stonechat, m Cuckoo, Short-eared Owl, Little Grebe, Kestrel, Gadwall, Tufted Duck, 5 Common Sandpiper, 2 Common Tern, 5 Whimbrel, 9 Grey Plover, 8 Greenshank, 5 Turnstone, 12 Ringed Plover, 5 Dunlin, Ruff, 8 Avocet, fem Marsh Harrier, m Peregrine, Spotted Flycatcher (ELBF), 2 Egyptian Geese on stone barges, 4 Avocet, 6 Common Sandpiper, 1 Whimbrel and 2 Oystercatcher in Aveley Bay, 2 Hobbies over the reserve (Vince Halley-Frame).
Dagenham Chase: 4 Common Whitethroat, 2 Common Tern, Lapwing, 5 Stock Dove, Green Woodpecker (ELBF).
Grays Chalk Pit: 3 Chiffchaff, 2 Common Whitethroat, 3 Blackcap, Great Spotted Woodpecker, 3 Reed Warbler, pr Sparrowhawk, m Kestrel, Song Thrush (ELBF).
Beddington SF: Common Buzzard, 2 Common Tern, Knot, Common Sandpiper (SBC).
Alexandra Park: 1 Whinchat through at 07:03 flushed by Kestrel at the scrub, 1 Kingfisher fast north along new river village at 07:10 (Bob Watts & John Murray).
Crossness LNR: Greenshank on flooded paddock this morning (Karen Sutton per JA).
Staines Res: 5 Black Tern, 4 Little Gull, Med Gull, 2 Grey Plover (KLP).
East India Dock/Bow Creek Ecology Park: today's haul typical of this week, with most migrants now moved on - 3 Reed Warblers, still 7 pairs Common Tern, 4 Blackcaps, 2 Whitethroats, 2 Grey Wagtails, 2 pairs Sand Martin, 2 Stock Doves, 4 GBBGulls, 3 Shelduck, Song Thrush (David Callahan).
Dagnam Park: m Mandarin, Ring-necked Parakeet (ELBF).
Syon Park station: Hobby (Pete Jones).
South Norwood Lake: 2 Great Crested Grebe, 3 Cormorant, 3 Greylag Goose, 6 Tufted Duck, 1 Great Spotted Woodpecker, 2 Green Woodpecker, 1 Nuthatch, 5 Goldfinch, 6 Blackcap, 7 Chiffchaff, 1 Garden Warbler, 2 Swift, 30+ Herring Gull over, 4 House Sparrow (John Watson).
St James's Park: pair of Egyptian Geese at lunch time (Andrew Self).
Clissold Park: 1 Swallow, 6 Common Pochard, c50 Swifts, 7 Painted Lady; 8 singing Blackcaps and various butterflies in Abney Park Cemetery (Mark Pearson Hackney Wildlife).
London Wetland Centre: Black Tern all day, 3 Common Sands, 2 buzzard sp - one particularly dark, seen flying high NE @ 1230 (through commmunication with Regents Park - identified as 1 Common and 1 Honey Buzzard), then four Common Buzzard NE @ 1245 and 1 circling @ 1430 - 7 birds in all (DM). Black Tern still present at 19.30 looking quite settled despite some conflict with the local Common Terns, also 3 Shelduck over from S and Hobby, still 2 Red-breasted Geese (fully-winged escapees from elsewhere) (Martin Honey).
Regent's Park: Honey Buzzard flew north-west at 13:35hrs, plus 2 Common Buzzards (Birdguides).
Beddington SF: 2 Red Kites (1 west/1 NW), 2 Common Buzzards, 2 Common Sandpipers (Dip or Glory).
Hyde Park/Kensington Gardens: Greylag Goose (brood of 9), m Gadwall, Red-crested Pochard (brood reduced to 4), 1-2 fem Sparrowhawk, Common Buzzard north 13:30hrs, Hobby NW 12:03hrs, Common Sandpiper heard (Long Water West), 19 Stock Dove, ad Tawny Owl, 10+ Swift, Swallow, 7 House Martin, fem Common Whitethroat (Pavillion Gardens), 12 Blackcap, 2 Chiffchaff, Willow Warbler, singing Coal Tit, Nuthatch, 2 Treecreeper - Small White, Speckled Wood, several Holly Blue (Des McKenzie).
M25/J15-16: Common Buzzard soaring just to the east 09.30 (Geoff Barter).
M25/J16-17 (Higher Denham): 3 Common Buzzard soaring - seen during Breeding Bird Survey (Roger Dewey).
Hampstead: Common Buzzard and Peregrine (Peter Jones).
Island Barn Res: 2cy Little Gull (it or another 10 minutes later at Walton Res) (SBC).
Fishers Green. At least 8 Nightingales singing near sub-station, also one near Hall Marsh Scrape, and one near Cheshunt Station; and at least 4 Cuckoos calling (Quentin Given)
Beddington SF: 3 Shelduck, Madagascar Teal (esc), Red Kite south, Hobby, fem Peregrine, Wood Sandpiper, 3 Common Sandpiper (Dip or Glory).
Byfleet: Osprey north over M25 at 16:15hrs (SBC).
Crossness LNR: possible (m) Grey-headed Wagtail briefly east of Incinerator building in horse paddock (east of flooded paddock), also Greenshank and Wood Sandpiper (view from footpath east of incinerator south of River Thames) (Birdguides).
Staines Res: Avocet, ad Little Gull, 10+ Black Tern, 2 Arctic Tern (SBC).
Clissold Park (Stoke Newington): Red Kite (east, 1450), Hobby (chasing Swifts, then north, 1440), c70 Swifts (Mark Pearson Hackney Wildlife).
Walthamstow Res: Bar-tailed Godwit feeding on East Warwick island at 15:00 (J.Murray).
RSPB Rainham Marshes (07.30- 09.00): Grasshopper Warbler singing west end opposite Tilda; Riverside: 5 Bar-tailed Godwits, 1 Grey Plover and 1 Dunlin, at least 1 Common Tern feeding on the river; Reserve: female Marsh Harrier quartering behind targets and a Cuckoo (Alan Shearman).
Crossness LNR: Richard's Pipit in paddock east of the flooded paddock, east of the incinerator 0955-1130 only; ad Grey-headed Gull (unringed but of unknown, presumably dubious, origin) on flooded paddock 1500-1530 then flew NE; also Wood Sandpiper, 2 Black Terns, Arctic Tern, 25 Common Terns, Whimbrel, Tree Pipit, Hobby, Rook, Wheatear, Common Sandpiper (John Archer, Ian Miller et al).
Staines Res: 17 Black Tern, 5 Dunlin, 1 Redshank, 1 Oystercatcher south (Adam Cheeseman). In the evening, drake Garganey on N basin from 1940hrs, Whimbrel flew W at 2010hrs, 1st-summer Mediterranean Gull, three Little Gulls, Arctic Tern, 16 Black Terns (Rob Innes, Ken Purdey).
West Molesey: Greenshank flew east over from Molesey Reservoirs (Adam Cheeseman).
Osterley Park: Blackcap 5, Common Whitethroat 6, Skylark 2, Common Tern 1, Egyptian Goose 10+, Little Owl 1, Coal Tit 2, Mandarin 3 males (Keith Fisher).
Alexandra Park: Spotted Flycatcher 1145 The Grove, flew in, landed briefly and sallied forth on flycatching sortie before flying off and not relocated (Bob Watts), female Greenland Wheatear 0645-0925 at least Cricket Pitch and pavilion area, Sedge Warbler Scrub, Lesser Whitethroat heard near railway line, scrub & hawthorn hedge so 2-3 birds present, Willow Warbler Top Field, Linnet, 2 Swallow, sev House Martin, 15 R N Parakeets (sadly first double figure count for site) (Gareth Richards, Bob Watts, Dominic Mitchell, John Murray).
Iver: Common Buzzard, Hobby over early p.m (Birdguides).
Shadwell Basin: Grey Wagtail (David Callahan).
Nightingale Lane, south of Alexandra Park: Tawny Owl heard 0315 (Bob Watts).
Kensington Gardens (flying visit): Emperor Goose (esc), fem Red-crested Pochard with brood of 5, Peregrine (prob m) east c09:30hrs, ad Tawny Owl, 5 Blackcap (Des McKenzie, Andrew Kruger).
Queen Elizabeth II Res: 3 Ringed Plover, Oystercatcher, Greenshank (later seen over Molesey (SBC).
Lee Valley Cornmill Meadows: Nightingale (near car park), Sparrowhawk, Garden Warbler, Redshank, Cuckoo, Cetti's Warbler (Mike Benyon)
Wimbledon Common: a singing Firecrest (David Wills).
London Wetland Centre (a.m): Hobby 2, R. B. Goose 2 escapees, Shelduck pair, Greenshank 2 NW + 1 remaining on site, Common Sand. 1, Turtle Dove 1 nth, Swift c. 30, Swallow 16 nth, Yellow Wagtail 1 m, Tree Pipit 1 SW, Garden Warbler 3, Lesser Whitethroat 1, sedge Warbler 11 singing (NPS). Also 4 Common Sand late am (Matthew Palmer), 3 LRP (probably 4) plus one Buzzard over S/SE and two Collared Dove W late pm (Martin Honey).
Battersea Power Station: 2 p Linnet, House Sparrow, Grey Wagtail, Yellow Wagtail over, 2 adult Great Black Backed Gulls and 2 Swift.(Dave Morrison)
Regents Park: f Ring Ouzel, Northern Wheatear, Sedge Warbler, 4 Reed Warblers, 3 Chiffchaffs, Linnet, 2 Jackdaws (Tony Duckett).
Barking Outfall: 3 Oystercatchers, Common Sandpiper, Sedge Warbler, Lesser Whitethroat, Sparrowhawk and 14 Common Terns.(Dave Morrison)
Stoke Newington reservoirs: 2 Whitethroat, c30 Swift (TeRNS).
Dagenham Chase LNR: 1 Cuckoo (at last) also 2 Common Tern, 1 Common Sandpiper. (Vince Halley-Frame).
Amwell GP's: Spoonbill circled for a few minutes at 17:50hrs hours then flew north, 2 Black Tern, Redshank, Common Snipe, Common Sandpiper, Grasshopper Warbler - flight footage of Spoonbill here >  (HertsBirding) - 2 Black Terns briefly at 11.45 (Tim Hill).
King George V Res (permit access only): 15 Black Terns, male Marsh Harrier high south, 20+ Common Tern, Common Sandpiper (David Bradnum), 16 Black Terns (North Basin), Hobby (Birdguides).
Alexandra Park: 1 possibly 2 Sedge warblers this pm; one seen in brambles from last viewing platform and one in the scrub, also Greenland Wheatear in the morning (J.Murray & Bob Watts).
South Norwood Lake: 3 Great Crested Grebe, 3 Cormorant, 1 Common Sandpiper, 12 Ring-necked Parakeet, Garden Warbler, Common Whitethroat, Blackcap, Chiffchaf, Kestrel, 4 House Sparrow, Song Thrush, 1 Nuthatch, 3 Green Woodpecker, 2 Great Spotted Woodpecker (observer?).
Stockley Park: 1 Common Tern (Roger Dewey).
Hackney Marshes: 1 Peregrine, 1 Shelduck, 1 Common Tern, 2 Garden Warblers, 2 Lesser Whitethroats, 30 Sand Martin, 1 Swallow, 2 House Martins (Gary A James).
Junc A406 and A104 (Waterworks Corner): Large raptor, probably a Buzzard, north-east at 14:00 (Paul Whiteman - driving with no optics).
Beddington SF: Big Day count - 6 Shelduck, Crested Duck (esc), single Ospreys NW and NE, 7 Common Buzzard, 2 Hobby, fem Peregrine, Greenshank, Common Sandpiper, Yellow Wagtail, 3 fem Wheatear (Dip or Glory).
Brent Reservoir: Big Day count - 68 species inc. Osprey north at 09:25, Little Egret 09:35 & Common Sand (Brent Birders).
Alexandra Park: Big Day count - 57 species inc 2 Hobby, Peregrine, probable Buzzard, female Yellow Wagtail, Willow Warbler, 5 Common Whitethroat (inc first-summer male trapped and ringed), 8+ R N Parakeet, Dabchick Boating Lake, 7+ Swallow, sev House Martin, 40+ Swift, 3+ Sparrowhawk (Bob Watts, John Murray, Andrew Gardener, Dominic Mitchell, Gareth Richards, Gerry Rawcliffe).
Hyde Park/Kensington Gardens: Big Day count - 52 species inc. Turtle Dove NW 12:24hrs (Buck Hill), singing Garden Warbler (Long Water West), also 3 Gadwall, Peregrine north 12:58hrs (Round Pond), ad Tawny Owl, 10 Swift, 5 Swallow, 2 House Martin, 9 Blackcap, Chiffchaff, Willow Warbler - Comma, Holly Blue (Des McKenzie).
Dagenham Chase LNR: Big Day count (period of observation: 13hrs 35mins - 71 species recorded): 3 Shelduck, pair of Pochard, 1 male Ruddy Duck, 1 Common Buzzard, 1 Hobby, 1 Peregrine Falcon, 1 Common Sandpiper, 1 Black-headed Gull, 40+ Lesser Black-backed Gull, 20+ Herring Gull, 1 Common Tern, 1 Kingfisher: Warbler counts of singing birds: 1 Cetti's Warbler, 14+ Reed Warbler, 4+ Lesser Whitethroat, 22+ Common Whitethroat, 14+ Blackcap, 8+ Chiffchaff, 7+ Willow Warbler, several Rook, 2 Jackdaw and 1 male Bullfinch.1 Grass Snake. (Vince Halley-Frame) - for full Big Day list click here > Dagenham Chase LNR.
Ingrebourne Valley: Big Day count - 81 species: highlights inc 4 Common Tern, 2 Common Buzzards and a Marsh Harrier over, 2 Ring-necked Parakeets, Nightingale, Bullfinch, Garden Warbler, Ringed Plover, Green Sandpiper and 3 Sparrowhawks (Dave Morrison).
Brunel University: 2 Red Kite over campus at 13.40, 35 Swift passing through and Lesser Whitethroat (Steve Pash).
London Wetland Centre: 3 Common Buzzard south (0840, 1100, 1105) then 1 SW at 1415, Marsh Harrier circling river high, 1 Hobby, 1 Peregrine x Saker hybrid, 4 Lesser Whitethroat, 80 Swift, trickle of Linnet and Swallow north, unconfirmed report of Hoopoe by visitor in wildside @ c1300 seen briefly perched in scrub behind dragonfly pond - no further sign or reports since (Dan Monk), 2 Sparrowhawk, m Kestrel, many Swift, several Sedge and Reed Warbler, 2 Garden Warbler, plentiful Blackcap - at least four Water Vole along Waterlife, first Orange Tip of the year (LWC website).
Rye Meads RSPB: Osprey flew over at 11:00 (Birdguides)
Alexandra Park: male Sparrowhawk, ad Herring Gull north, Ring-necked Parakeet in lower slope area, Willow Warbler singing west of cricket scrub, 4 singing Common Whitethroats, several Blackcaps, singing Chiffchaff, single Swallow and Swift over reservoir (Dominic Mitchell).
North Watford (River Colne): Spotted Flycatcher (HertsBirding).
Paddington Green: Common Buzzard south mobbed by crows 12:05hrs, Swift, singing Grey Wagtail (Des McKenzie).
Beddington SF: Crested Duck (esc), Common Buzzard, Hobby, Little Egret, 2 Redshank (Dip or Glory).
Richmond Park: 1 Common Buzzard @ 1115 and 2 @ 1200, Hobby, Ring Ouzel female still (J. Wilczur).
Kimber Road (Wandsworth): 1 Swallow NW at 07.54, plus 8 Swift in the immediate area (local birds) (Martin Honey).
Queen Elizabeth II Res: Bar-tailed Godwit circled 0540-0610, also Peregrine & 2 Common Sands (DMH), Common Buzzard (SBC).
Finsbury Park: 2 Swifts screaming over the park so may be local birds, 21 Pochards on boating lake, Blackcap singing (Ian Bradshaw).
East India Dock/Bow Creek Ecology Park: 2 Lesser Whitethroats, 4 Whitethroats, 6 Reed Warblers, 6 Blackcaps, 3 Linnets (N), 8 Common Terns, 1 ad GBBGull (David Callahan).
Hampstead Heath (Parliament Hill area): 2 Common Whitethroat, 1 Lesser Whitethroat, 10 Blackcap, 2 Chiffchaff, 1 male Sparrowhawk, 1 Common Sandpiper, 1 Swallow (Reuben Braddock (but credit to another birder who I bumped into for finding some of these)).
Trent Park Area: 5 Little Grebe, at Parkside Res; 2 Sparrowhawk, together, over Hog Hill; 1 Common Buzzard; 4 Cuckoo,(2 together, Vicarage Farm, 1 singing male, Park Farm, 1 singing male, Icehouse Wood); 5 Swift; 1 female Green Woodpecker; 2 Great Spotted Woodpecker; 2 Swallow; 1 male Grey Wagtail, carrying food; 1 female Northern Wheatear, Hog Hill; 4 singing male Lesser Whitethroat; 2 singing male Garden Warbler; 2(m&f) Bullfinch, together, Park Farm; 1 singing male Yellowhammer, at Vicarage Farm (Robert Callff).
Regents Park: Common Sandpiper dropped in during heavy shower, 5 Jackdaws(3&2), 2nd m Chiffchaff, Willow Warbler, 5 Swifts, 5 Swallows, 1st pair og Great C Grebes hatched and 2 very distant large raptors south of the park between 12.30 and 1.00pm (Tony Duckett).
Muswell Hill: first-summer male Siskin still in Rosebery Road area - bird was trapped and ringed on 27th April in nearby garden (Dominic Mitchell)
Hounslow: ringtail harrier following the River Crane in north Feltham before heading towards Hounslow Heath at 14:20hrs (Birdguides).
Beddington SF: Marsh Harrier SW, Hobby, Dunlin, Common Sandpiper (Dip or Glory).
Lee Valley (Holyfield Viewpoint): Red-rumped Swallow at 10.45 flew east, 100+ Swifts over Holyfield Lake (Mike Oakland).
Richmond Park: 2 Ring Ouzel still in Holly Lodge paddocks (SBC).
Queen Elizabeth II Res: Peregrine (SBC).
Alexandra Park: 2 Swallow, pair Common Tern, 2 House Martin, RN Parakeet (flyover but pair recently on slope below of pitch n putt) 0635-0710 (Bob Watts), 2 Common Swift and pair of Greylag Geese in from south late afternoon (Dominic Mitchell) - (Bob, where was the parakeet? Mike Benyon).
Hyde Park/Kensington Gardens: m Grey Wagtail (Italian Fountains 06:30) (Paul Bruty), pr Gadwall, fem Sparrowhawk, m Kestrel, Peregrine (prob fem) drifted and circled north over Long Water 12:15hrs, Sand Martin, Swallow, c30 House Martin (hirundines mainly Round Pond), singing Reed Warbler (Long Water East), 8 Blackcap, Linnet west - Red-eared Terrapin (Des McKenzie).
Belvedere; Whimbrel by Thames in west paddock this morning, m Whinchat in east paddock (Birdguides).
Bexley Woods: calling Cuckoo this a.m (KosNet).
Stoke Newington Reservoirs: 2 Common Whitethroats, 2 Common Terns, 11 Reed Warblers, 2 Sedge Warblers, 6 Blackcaps, 50+ House Martins, c100 Swifts, 7 Sand Martins, 1 Linnet (Mark Pearson).
Clissold Park: singing Goldcrest, three Blackcaps, 8 Pochard (Mark Pearson)
Abney Park Cemetery: 8 Blackcaps, Orange Tip (Mark Pearson)
Leyton Flats: 1 Hobby, 1 Common Buzzard and a few Swifts, but generally really quiet (Gary A James).
Hampstead Heath (Parliament Hill area): 1m House Sparrow (1st this year!), pr Bullfinch, 2 singing Common Whitethroat (Reuben Braddock).
South Norwood Lake: 2 Great Crested Grebe, 3 Cormorant, 8 Tufted Duck, 10 Ring-necked Paraket, 2 Pied Wagtail, 2 Swallow, 5 Chiffchaff, 7 Blackcap, 2 Collared Dove, 1 Great Spotted Woodpecker, 2 Green Woodpecker, 6 House Sparrow (John Watson).
Trent Park Area: 4 Little Grebe, at Parkside Res; 1 Sparrowhawk; 1 Common Buzzard; 2 Cuckoo, together, at Parkside Farm; 1 Little Owl, at Vicarage Farm; 4 Swift; 1 Tree Pipit, at Hog Hill, Vicarage Farm; 4 singing male Lesser Whitethroat; 2 singing male Garden Warbler; 2(m&f) Yellowhammer; 7+ Large Red Damselfly, Upper Lake (Robert Callf & Robin White).
London Wetland Centre: Hobby, 2 Garden Warbler, Lesser Whitethroat, Common Whitethroat, Collared Dove over, 2 Common Sand, 2 Sparrowhawk, 1 Willow Warbler, 2 Common Tern (Jonathan Dean), 3 Common Tern, 6 Swallow, Yellow Wagtail, 4 Lesser Whitethroat (LWC website).
Rainham Marshes: Whimbrel, 6 Dunlin, Ruff, Greenshank, Common Sandpiper, 100+ Swift (Alan Shearman).