| Little Grebe | | |
| Great Crested Grebe | | |
| Black-necked Grebe | ********** | ********** |
| Cormorant | | |
| Cattle Egret | 18/05/2021 | 1 Haversham viaduct |
| Little Egret | | |
| Great White Egret | 07/09/2014 | |
| Grey Heron | | |
| Glossy Ibis | 19/04/2021 | 2 birds high over aqueduct from my house (3 in total 2021) |
| Mute Swan | | |
| White-fronted Goose | 14/12/2020 | 8 birds |
| Greylag Goose | | |
| Canada Goose | | |
| Barnacle Goose | 30/03/2021 | 1 feral bird |
| Egyptian Goose | 14/08/2020 | |
| Shelduck | 21/01/2015 | |
| Mandarin Duck | 26/04/2022 | |
| Wigeon | | |
| Gadwall | | |
| Teal | | |
| Mallard | | |
| Pintail | 05/09/2014 | |
| Garganey | ********** | |
| Shoveler | | |
| Red-crested Pochard | 14/01/2021 | |
| Pochard | | |
| Tufted Duck | | |
| Common Scoter | 03/04/2020 | passage birds heard overnight during mass movement |
| Goldeneye | 03/02/2021 | female bird briefly in floods (site isn't really suitable) |
| Goosander | | |
| Red Kite | | |
| Marsh Harrier | 05/01/2022 | 1 female bird |
| Hen Harrier | 09/04/2022 | 1 ringtail (most likely of this species) |
| Sparrowhawk | | |
| Buzzard | | |
| Osprey | 04/08/2016 | |
| Kestrel | | |
| Merlin | 09/12/2015 | 1st was a female that flew through |
| Hobby | | |
| Peregrine | | |
| Pheasant | | |
| Water Rail | | |
| Moorhen | | |
| Coot | | |
| Oystercatcher | | |
| Black-winged Stilt | 24/04/2015 | 2 birds viaduct pits |
| Avocet | 09/05/2022 | 2 birds viaduct pits |
| Little Ringed Plover | | |
| Ringed Plover | | |
| Golden Plover | | |
| Lapwing | | |
| Sanderling | 10/05/2016 | |
| Pectoral Sandpiper | 16/08/2014 | Single bird in evening light before reserve open |
| Curlew Sandpiper | 06/05/2015 | |
| Dunlin | 25/08/2014 | |
| Ruff | 25/08/2014 | |
| Jack Snipe | 11/10/2020 | In front of farm hide |
| Snipe | | |
| Black-tailed Godwit | 25/04/2014 | |
| Bar-tailed Godwit | 08/08/2016 | |
| Common Sandpiper | | |
| Green Sandpiper | | |
| Greenshank | 25/08/2014 | |
| Wood Sandpiper | 06/05/2015 | |
| Redshank | | |
| Turnstone | 05/05/2016 | |
| Black-headed Gull | | |
| Mediterranean Gull | 10/11/2014 | |
| Common Gull | | |
| Lesser Black-backed Gull | | |
| Herring Gull | | |
| Great Black-backed Gull | | |
| Sandwich Tern | 07/08/2020 | 5 birds very briefly |
| Common Tern | | |
| Arctic Tern | 27/04/2015 | |
| Rock Dove / Feral Pigeon | | |
| Stock Dove | | |
| Woodpigeon | | |
| Collared Dove | | |
| Ring-necked Parakeet | 02/05/2022 | |
| Cuckoo | | |
| Barn Owl | | |
| Little Owl | | |
| Tawny Owl | | |
| Swift | | |
| Kingfisher | | |
| Green Woodpecker | | |
| Great Spotted Woodpecker | | |
| Skylark | | |
| Sand Martin | | |
| Swallow | | |
| House Martin | | |
| Meadow Pipit | | |
| Yellow Wagtail | | |
| Grey Wagtail | | |
| Pied Wagtail | | |
| Wren | | |
| Dunnock | | |
| Robin | | |
| Redstart | 31/08/2014 | |
| Whinchat | 31/08/2014 | |
| Stonechat | ********** | ********** |
| Wheatear | 05/09/2014 | |
| Blackbird | | |
| Fieldfare | | |
| Song Thrush | | |
| Redwing | | |
| Mistle Thrush | | |
| Cetti's Warbler | 25/08/2014 | 1st bird heard & seen By aqueduct |
| Grasshopper Warbler | 18/04/2016 | 1st bird heard by Aqueduct |
| Sedge Warbler | | |
| Marsh Warbler | ********** | ********** |
| Reed Warbler | | |
| Blackcap | | |
| Garden Warbler | | |
| Lesser Whitethroat | | |
| Whitethroat | | |
| Chiffchaff | | |
| Willow Warbler | | |
| Goldcrest | | |
| Spotted Flycatcher | 31/08/2014 | Near old lock |
| Long-tailed Tit | | |
| Blue Tit | | |
| Great Tit | | |
| Coal Tit | 07/09/2015 | Near farm buildings |
| Marsh Tit | 24/09/2015 | Near allotments in old wolverton (used to be regular along the canal in early 2000) |
| Nuthatch | 08/08/2014 | Near farm buildings |
| Treecreeper | | |
| Red-backed Shrike | 14/06/2022 | Female |
| Jay | | |
| Magpie | | |
| Jackdaw | | |
| Rook | | |
| Carrion Crow | | |
| Raven | 25/04/2017 | Regular since |
| Starling | | |
| House Sparrow | | |
| Chaffinch | | |
| Brambling | 03/02/2015 | Fly over birds only |
| Greenfinch | | |
| Goldfinch | | |
| Siskin | | |
| Linnet | | |
| Lesser Redpoll | | |
| Common Crossbill | 03/10/2016 | Fly over birds only |
| Bullfinch | | |
| Hawfinch | 10/10/2017 | 1st bird by old locks |
| Yellowhammer | 18/04/2016 | Used to get large flocks over river |
| Reed Bunting | | |