| Red-throated Diver | | |
| Black-throated Diver | 21st January 2013 (07:25) | Queen Mother Reservoir |
| Great Northern Diver | | Shalford Lakes |
| Little Grebe | | |
| Great Crested Grebe | | |
| Red-necked Grebe | | Shalford Lakes |
| Slavonian Grebe | 15th March 2011 | Queen Mother Reservoir |
| Black-necked Grebe | | Moatlands GP |
| Manx Shearwater | 17th September 2011 (11:27) | Queen Mother Reservoir |
| Leach's Petrel | | Main Pit, Theale |
| Cormorant | | |
| Shag | 16th September 2011 (17:10) | Queen Mother Reservoir |
| Bittern | | |
| Night-heron | 16th August 2020 | Sandford Lake, Dinton Pastures CP |
| Cattle Egret | ********** | ********** |
| Little Egret | | |
| Great White Egret | ?? ?? 2010 | Great Shefford |
| Grey Heron | | |
| White Stork | 24th April 2014 (09:04) | Sheepbridge Court Farm |
| Glossy Ibis | ?? ?? 2010 | Freeman's Marsh |
| Spoonbill | | Lower Farm G.P. |
| Mute Swan | | |
| Bewick's Swan | | Aldermaston area |
| Whooper Swan | 18th February 2013 (10:45) | Field Barn Farm, Beenham Hill |
| Pink-footed Goose | 6th March 2011 | Woolhampton GP's |
| White-fronted Goose | ?? ?? 2010 | Burnthouse Lane GP's |
| Greylag Goose | | |
| Canada Goose | | |
| Barnacle Goose | | |
| Brent Goose | 6th November 2011 | Lower Farm G.P. |
| Egyptian Goose | | |
| Shelduck | | |
| Mandarin Duck | | |
| Wigeon | | |
| American Wigeon | | Hosehill Lake LNR? |
| Gadwall | | |
| Teal | | |
| Green-winged Teal | 24th February 2004 | Dorney Wetlands |
| Mallard | | |
| Pintail | | |
| Garganey | | |
| Blue-winged Teal | 17th May 2024 | Chamberhouse Marsh |
| Shoveler | | |
| Red-crested Pochard | | |
| Pochard | | |
| Ring-necked Duck | | Lower Farm GP |
| Ferruginous Duck | | |
| Tufted Duck | | |
| Scaup | | |
| Lesser Scaup | 5th November 2014 (15:24) | Sunnymeads GP North |
| Eider | 14th December 2010 | Dorney Wetlands |
| Long-tailed Duck | | |
| Common Scoter | | |
| Velvet Scoter | ?? ?? 2010 | Queen Mother Reservoir |
| Goldeneye | | |
| Smew | | |
| Red-breasted Merganser | | |
| Goosander | | |
| Ruddy Duck | | |
| Red Kite | | |
| Marsh Harrier | | New Workings, Moor Green Lakes |
| Hen Harrier | | |
| Montagu's Harrier | | |
| Goshawk | ********** | ********** |
| Sparrowhawk | | |
| Buzzard | | |
| Rough-legged Buzzard | | Faccombe area |
| Osprey | 4th April 2012 (18:23) | Hambridge Lane, Newbury |
| Kestrel | | |
| Red-footed Falcon | | |
| Merlin | | |
| Hobby | | |
| Peregrine | | |
| Red-legged Partridge | | |
| Grey Partridge | | |
| Quail | | |
| Pheasant | | |
| Water Rail | | |
| Spotted Crake | | Lavell's Lake LNR |
| Corncrake | 17th June 2008 | Hurst |
| Moorhen | | |
| Coot | | |
| Oystercatcher | | |
| Black-winged Stilt | 11th September 2019 | East Fen, Moor Green Lakes |
| Avocet | | New Workings, Moor Green Lakes |
| Stone-curlew | | |
| Little Ringed Plover | | |
| Ringed Plover | | |
| Dotterel | 30th May 2005 | Burnthouse Lane GP's |
| Golden Plover | | |
| Grey Plover | 10th May 2014 (08:39) | Lea Farm G.P. |
| Lapwing | | |
| Knot | 15th August 2011 (13:37) | Queen Mother Reservoir |
| Sanderling | 7th May 2011 (07:17) | Queen Mother Reservoir |
| Little Stint | 25th September 2012 (10:36) | Eton Wick |
| Temminck's Stint | 28th May 2010 | Hosehill Lake L.N.R. |
| Pectoral Sandpiper | 13th September 2011 (c.16:40) | Crookham Common |
| Curlew Sandpiper | 7th September 2013 (11:31) | Queen Mother Reservoir |
| Dunlin | | |
| Ruff | | |
| Jack Snipe | | Sandford Lake, Dinton Pastures CP |
| Snipe | | |
| Woodcock | | |
| Black-tailed Godwit | | |
| Bar-tailed Godwit | 28th April 2012 (14:25) | Burnthouse Lane floods |
| Whimbrel | 22nd April 2011 (09:25) | New Workings, Moor Green Lakes |
| Curlew | 5th April 2010 | Lea Farm G.P. |
| Spotted Redshank | 16th May 2014 (14:16) | Burnthouse Lane GP's |
| Redshank | | |
| Greenshank | | |
| Green Sandpiper | | |
| Wood Sandpiper | | |
| Common Sandpiper | | |
| Spotted Sandpiper | 24th May 2024 | Queen Mother Reservoir |
| Turnstone | 7th May 2011 (07:06) | Queen Mother Reservoir |
| Red-necked Phalarope | 31st May 2015 (09:31) | Main Pit, Theale |
| Grey Phalarope | 13th September 2011 | Queen Mother Reservoir |
| Long-tailed Skua | 10th September 2006 | Queen Mother Reservoir |
| Great Skua | | Queen Mother Reservoir |
| Mediterranean Gull | | ********** |
| Laughing Gull | | Reading |
| Little Gull | | |
| Sabine's Gull | | Queen Mother Reservoir |
| Bonaparte's Gull | 26th April 2013 (17:17) | Hosehill Lake LNR |
| Black-headed Gull | | |
| Common Gull | | |
| Lesser Black-backed Gull | | |
| Caspian Gull | | Pingewood |
| Herring Gull | | |
| Yellow-legged Gull | ?? ?? 2010 | Lower Farm G.P. |
| Iceland Gull | | Searle's Farm Lane GP's |
| Glaucous Gull | 13th December 2011 (12:09) | South Lake, Woodley |
| Great Black-backed Gull | | |
| Kittiwake | 25th September 2011 (16:05) | Main Pit, Theale |
| Sandwich Tern | 2nd August 2011 (11:51) | Queen Mother Reservoir |
| Roseate Tern | 9th May 2011 (11:52) | Queen Mother Reservoir |
| Common Tern | | |
| Arctic Tern | | |
| Little Tern | 7th May 2011 (08:16) | Queen Mother Reservoir |
| Black Tern | | |
| White-winged Black Tern | | Main Pit, Theale |
| Feral Pigeon | | |
| Stock Dove | | |
| Woodpigeon | | |
| Collared Dove | | |
| Turtle Dove | | |
| Ring-necked Parakeet | | |
| Cuckoo | | |
| Barn Owl | | |
| Little Owl | | |
| Tawny Owl | | |
| Long-eared Owl | | |
| Short-eared Owl | | ********** |
| Nightjar | 29th April 2011 (20:50) | Sandleford Heath |
| Swift | | |
| Kingfisher | | |
| Hoopoe | | Lea Farm GP area |
| Wryneck | 29th August 2012 (15:51) | Lavell's Lake LNR |
| Green Woodpecker | | |
| Great Spotted Woodpecker | | |
| Lesser Spotted Woodpecker | | |
| Woodlark | | |
| Skylark | | |
| Shore Lark | | New Workings, Moor Green Lakes |
| Sand Martin | | |
| Swallow | | |
| Red-rumped Swallow | | Hosehill Lake LNR |
| House Martin | | |
| Tree Pipit | | |
| Meadow Pipit | | |
| Rock Pipit | ?? ?? 2010 | Queen Mother Reservoir |
| Buff-bellied Pipit | 13th December 2012 (14:26) | Queen Mother Reservoir |
| Water Pipit | | Brimpton GP's |
| Yellow Wagtail | | |
| Grey Wagtail | | |
| Pied Wagtail | | |
| Waxwing | | |
| Dipper | ?? ?? 2010 | Welford |
| Wren | | |
| Dunnock | | |
| Robin | | |
| Nightingale | | |
| Black Redstart | | ********** |
| Redstart | | |
| Whinchat | | |
| Stonechat | | |
| Wheatear | | |
| Ring Ouzel | ?? ?? 2011 | Coombe Gibbet |
| Blackbird | | |
| Black-throated Thrush | | Maidenhead |
| Fieldfare | | |
| Song Thrush | | |
| Redwing | | |
| Mistle Thrush | | |
| Cetti's Warbler | | |
| Grasshopper Warbler | | |
| Sedge Warbler | | |
| Reed Warbler | | |
| Great Reed Warbler | 22nd May 2014 (12:08) | Green Park, Reading |
| Dartford Warbler | | |
| Lesser Whitethroat | | |
| Whitethroat | | |
| Garden Warbler | | |
| Blackcap | | |
| Pallas's Warbler | 7th January 2013 (15:17) | New Workings area |
| Yellow-browed Warbler | 17th October 2013 (11:52) | Dinton Pastures C.P. |
| Wood Warbler | 1st May 2019 | Dinton Pastures C.P. |
| Chiffchaff | | |
| Willow Warbler | | |
| Goldcrest | | |
| Firecrest | ********** | ********** |
| Spotted Flycatcher | | |
| Pied Flycatcher | 19th April 2013 (11:20) | Black Swan Lake, Dinton Pastures CP |
| Bearded Tit | ?? ?? 2010 | Dorney Wetlands |
| Long-tailed Tit | | |
| Marsh Tit | | |
| Willow Tit | ********** | ********** |
| Coal Tit | | |
| Blue Tit | | |
| Great Tit | | |
| Nuthatch | | |
| Treecreeper | | |
| Red-backed Shrike | | Greenham Common |
| Great Grey Shrike | | |
| Woodchat Shrike | | |
| Jay | | |
| Magpie | | |
| Jackdaw | | |
| Rook | | |
| Hooded Crow | 9th May 2021 | Lines Road, Hurst |
| Carrion Crow | | |
| Raven | | |
| Starling | | |
| House Sparrow | | |
| Tree Sparrow | ?? ?? 2011 | Remenham |
| Chaffinch | | |
| Brambling | | |
| Greenfinch | | |
| Goldfinch | | |
| Siskin | | |
| Linnet | | |
| Mealy Redpoll | ?? ?? 2011 | Greenham Common |
| Lesser Redpoll | | |
| Common Crossbill | | |
| Parrot Crossbill | 27th November 2017 (07:52) | Wishmoor Bottom |
| Bullfinch | | |
| Hawfinch | | ********** |
| Snow Bunting | 6th November 2011 | Queen Mother Reservoir |
| Yellowhammer | | |
| Reed Bunting | | |
| Corn Bunting | | |