| SPECIES | KEY | COMMENTS |
| Brent Goose | W-R | A rare bird away from the coast. One record of a 1w Dark-bellied bird near the scrape in February 2016 |
| Canada Goose | R-FC | A naturalised resident |
| Barnacle Goose | R-FC | A naturalised resident. Numbers peak in late winter. A few pairs breed locally and at Pensthorpe |
| Greylag Goose | R-C | |
| Pink-footed Goose | W-S | More often seen flying over than on the ground |
| Tundra Bean Goose | W-R | One record of a family party in last fifteen years |
| White-fronted Goose | W-VS | From 2016-2021 a small flock(form albifrons) wintered in the valley. Since then barely annual. |
| Mute Swan | R-C | |
| Bewick’s Swan | W-R | One record of a family herd wintering near Testerton in January-February 2023 |
| Whooper Swan | W-VS | Less than annual, usually flying through |
| Egyptian Goose | R-C | |
| Common Shelduck | R-S | Rare in the winter, but breeds locally and at Pensthorpe |
| Mandarin Duck | S-FC | Breeds in Pensthorpe their Norfolk stronghold. Absent in mid-winter |
| Garganey | S-S | Seen every year in Spring and Autumn but not known to have bred |
| Northern Shoveler | R-FC | A rare breeder on patch |
| Gadwall | R-FC | Breeds on patch |
| Eurasian Wigeon | W-FC | Never numerous but seen regularly on the Oxbow and at Pensthorpe |
| Mallard | R-C | |
| Northern Pintail | W-VS | A handful of birds most winters |
| Eurasian Teal | W-C | An everyday bird over winter. Counts can reach 500 |
| Common Pochard | W-S | Occasionally double figures in the patch |
| Tufted Duck | R-FC | Breeds on patch |
| Common Scoter | P-R | Just 3 records this century all of birds on passage in late winter/early spring. Most recent Pensthorpe 8th May 2024 |
| Common Goldeneye | W-S | Occasionally double figures in the patch |
| Red-breasted Merganser | W-R | A single record at Pensthorpe on 19th November,2014 |
| Goosander | W-VS | In some years a couple of birds winter |
| Ruddy Duck | P-R | One record on 12th June,05. Unlikely to be repeated given the extirpation of the species nationally |
| Grey Partridge | R-S | A few pairs breed |
| Common Pheasant | R-C | |
| Red-legged Partridge | R-FC | |
| Common Swift | S-C | A common summer breeder but in decline on patch, as nationally |
| Common Cuckoo | S-S | An annual summer visitor but now scarce |
| Rock Dove (Feral Pigeon) | R-C | |
| Stock Dove | R-C | Counts reach three figures in the west of the patch |
| Common Wood Pigeon | R-C | |
| European Turtle Dove | S-VS | A species in headlong decline. Breeding in 2022 at one site, a singing bird in 2023, but no records on patch in 2024 |
| Eurasian Collared Dove | R-C | |
| Water Rail | R-S | Heard more often than seen. Breeds at Pensthorpe |
| Common Moorhen | R-C | |
| Eurasian Coot | R-C | |
| Common Crane | P-VS | Seen no more than a few times a year, usually in Spring |
| Little Grebe | R-FC | Seen all year, occasionally breeds |
| Great Crested Grebe | S-FC | A resident in Norfolk, but a summer breeder on patch at Pensthorpe |
| Eurasian Stone Curlew | S-R | One record at Testerton this century |
| Eurasian Oystercatcher | S-FC | Breeds in the valley in small numbers. Absent in winter, returns early Spring |
| Pied Avocet | S-FC | A summer visitor and breeder in small numbers |
| European Golden Plover | W-VS | The days when winter flocks were common appear long gone. Now seen very irregularly |
| Dotterel | P-R | A single record of an immature bird at Testerton on 6th-7th April 2023 |
| Common Ringed Plover | P-VS | Can be seen on passage in Spring or Autumn, usually at Pensthorpe |
| Little Ringed Plover | S-S | An occasional breeding bird |
| Northern Lapwing | R-C | An annual breeder also wintering in large numbers |
| Eurasian Whimbrel | P-R | A rare spring bird, last recorded in April 2013 at the Scrape |
| Eurasian Curlew | P-VS | Decline locally mirrors decline nationally. A few flyovers most years |
| Bar-tailed Godwit | P-VS | A long distance migrant.Occasional records. Last recorded in Spring 2015,2022 and 2023 at Penstorpe and the Scrape |
| Black-tailed Godwit | P-FC | Increasing numbers through the patch in Spring and particularly in Autumn |
| Jack Snipe | W-VS | Present in Winter, but rarely seen |
| Common Snipe | W-FC | Long gone as a local breeder but still present in reasonable numbers over winter |
| Woodcock | W-S | Birds seen every winter but no recent records suggesting local breeding |
| Red Knot | P-VS | Periodic records, but recorded in 2022 , 2023 and 2024 |
| Ruff | P-VS | Occasional records in Spring and Autumn. Last seen in 2023 |
| Curlew Sandpiper | P-R | One record of two juveniles at Pensthorpe in Autumn 2023 |
| Sanderling | P-R | One record of a single bird at Pensthorpe on 18th May,2019 |
| Dunlin | P-S | Seen every year, occasionally in the winter but usually in spring |
| Common Sandpiper | P-FC | Seen in low numbers every Spring and Autumn |
| Green Sandpiper | P-C | Good numbers pass through in Autumn, fewer records in Spring and occasional in Winter |
| Wood Sandpiper | P-VS | Most years see a record of 1 or 2 birds |
| Common Redshank | P-S | A few records every year in Spring |
| Common Greenshank | P-VS | A few records most years in Spring and Autumn |
| Black Tern | P-R | A single recent record of 12 birds on the Resting Lake, Pensthorpe on 11th May,2024 |
| Arctic Tern | P-VS | Very occasional records. Last documented on 6th May,2017 at Pensthorpe |
| Common Tern | S-FC | A few pairs breed every year at Pensthorpe and out of patch at Sennowe |
| Little Gull | P-VS | Occasional birds pass through |
| Black-legged Kittiwake | P-R | A single record over Pensthorpe on 7th February,2013 |
| Black-headed Gull | R-C | A thriving breeding colony at Pensthorpe |
| Mediterranean Gull | P-S | Seen in small numbers mainly in March and April |
| Common Gull | W-C | Winters |
| Caspian Gull | S-R | One record at Pensthorpe 15th August 2023 |
| European Herring Gull | R-FC | |
| Yellow-legged Gull | S-VS | Single records most years |
| Great Black-backed Gull | R-S | Surprisingly scarce on patch |
| Lesser Black-backed Gull | R-FC | A species that is rare in winter, but seen regularly from Spring onwards |
| Black Stork | P-R | A single record in May 2002 |
| Great Cormorant | R-C | |
| Eurasian Spoonbill | S-VS | Averaging one record a year in recent times.Sightings likely to increase as the coastal population grows |
| Eurasian Bittern | W-S | Winters at Pensthorpe |
| Black-crowned Night Heron | S-R | Very occasional records. Status of this species uncertain due to possibility of the survival of collection birds from Lyng |
| Little Egret | R-FC | No breeding yet proved on patch |
| Great White Egret | W-FC | Seen most days in the winter |
| Western Cattle Egret | W-FC | Seen most days in the winter. Birds seen in breeding dress in Spring but no evidence of local breeding |
| Grey Heron | R-FC | |
| Osprey | P-VS | Averages between one and two records per year, during Spring or Autumn migration |
| European Honey Buzzard | S-VS | Occasional summer records |
| Eurasian Sparrowhawk | R-FC | |
| Eurasian Goshawk | R-S | Infrequent,but records increasing as population grows countywide |
| Western Marsh Harrier | R-FC | |
| Hen Harrier | W-VS | Averages fewer than one record per year |
| Red Kite | R-FC | The population continues to increase countywide,establishing as a local breeder |
| White-tailed Eagle | P-R | Single record of a wild bird on 30th January,22. Wandering IoW birds seen occasionally, but are not treated as wild birds |
| Common Buzzard | R-FC | |
| Western Barn Owl | R-FC | Fewer sightings in last five years suggest a decline locally |
| Little Owl | R-VS | Ten years ago several breeding pairs on patch. Since then a precipitous decline with no records in 2024. Lost locally? |
| Long-eared Owl | R-VS | Seen very infrequently. A notoriously under recorded species due to its secretive habits. Actual status unknown |
| Short-eared Owl | W-VS | A winter visitor, declining, no records in last five years |
| Tawny Owl | R-FC | More often heard than seen, population appears stable |
| Eurasian Hoopoe | P-R | A well watched bird in 2010 and a suppressed record during the Covid years |
| Common Kingfisher | R-S | A hard to see well bird, least difficult post breeding in July and August at Pensthorpe |
| Lesser Spotted Woodpecker | LOST | Last seen in woods along Westwood Lane in early 2000’s.Loss is countywide.No more than 3 breeding pairs remain. |
| Great Spotted Woodpecker | R-FC | A frequent sight in gardens and local gardens |
| Green Woodpecker | R-S | Breeds locally |
| Common Kestrel | R-FC | |
| Eurasian Hobby | S-S | |
| Peregrine Falcon | R-S | A few records each year |
| Eurasian Jay | R-FC | Most commonly seen in the early Autumn when caching acorns |
| Eurasian Magpie | R-C | |
| Western Jackdaw | R-C | Breeds locally but seen in large numbers in winter roosts with Rooks |
| Rook | R-C | Breeds locally in colonies. Seen in large winter roosts with Jackdaws |
| Carrion Crow | R-FC | |
| Northern Raven | R-VS | A recent arrival to Norfolk, records slowly increasing on patch |
| Bohemian Waxwing | W-S | An irruptive species. Winter 23/24 most recent good year since 2016. |
| Coal Tit | R-FC | |
| Marsh Tit | R-S | Woodland dweller and garden visitor |
| Willow Tit | Lost | Last record about 20 years ago. Mirrors decline across England. Probably extinct as a breeding species in Norfolk |
| Eurasian Blue Tit | R-C | |
| Great Tit | R-C | |
| Bearded Tit | P-VS | One or two records per year during Autumn dispersal from the coast |
| Woodlark | S-VS | The occasional flyover record from Pensthorpe |
| Eurasian Skylark | R-S | Breeds on patch |
| Sand Martin | S-S | A decreasing summer visitor, no longer breeds on patch |
| Barn Swallow | S-C | A still common but declining summer visitor |
| Western House Martin | S-C | A still common but declining summer visitor |
| Cetti’s Warbler | R-FC | Steadily increasing on patch. Usually heard rather than seen. |
| Long-tailed Tit | R-C | |
| Yellow-browed Warbler | P-R | Not recorded until October 2024, when 3 different birds at Pensthorpe |
| Willow Warbler | S-S | Formerly common, now in serious decline locally |
| Common Chiffchaff | S-C | A short distance migrant, numbers increasing. Occasionally winters. |
| Great Reed Warbler | S-R | Two records of this rare vagrant , both from Pensthorpe in the Springs of 2019 and 2023 |
| Sedge Warbler | S-FC | Numbers apparently stable |
| Reed Warbler | S-C | Numbers apparently stable |
| Marsh Warbler | S-R | A single record from Pensthorpe in 2014 |
| Common Grasshopper Warbler | S-VS | Very scarce, but in the Spring of 2024 at least 3 singing males |
| Eurasian Blackcap | S-C | |
| Garden Warbler | S-S | Common at Pensthorpe bur rare elsewhere on patch |
| Lesser Whitethroat | S-S | A few pairs on patch |
| Common Whitethroat | S-FC | A farmland breeder |
| Goldcrest | R-FC | |
| Eurasian Wren | R-C | |
| Eurasian Nuthatch | R-FC | Winter visitor to gardens |
| Eurasian Treecreeper | R-FC | |
| Common Starling | R-FC | A declining breeder but in winter murmurations locally number in the thousands |
| Song Thrush | R-C | |
| Mistle Thrush | R-FC | |
| Blackbird | R-C | |
| Redwing | W-C | |
| Fieldfare | W-C | Numbers build in the second half of winter |
| Ring Ouzel | P-VS | Just a handful of records |
| Spotted Flycatcher | S-S | A declining summer breeder. 2024 was the first year that birds were recorded but no breeding was proved on patch |
| Red-flanked Bluetail | P-R | A record of one caught on a camera trap at Pensthorpe in the autumn of 2020 |
| Black Redstart | P-VS | |
| Common Redstart | P-VS | Seen on passage in Spring, but many fewer reports in recent times |
| Whinchat | P-S | Seen in Spring, but more often Autumn. Much less frequent in last ten years |
| European Stonechat | W-S | Winters in the valley in small numbers |
| Northern Wheatear | P-VS | Passage restricted to Spring. Not annual. An exceptional record of 26 birds passing through a single Testerton field in 23 |
| Eurasian Tree Sparrow | Lost | A former breeder lost this century. A single bird at Pensthorpe in January/February 24 was sadly notable |
| House Sparrow | R-C | Appears to be holding its own locally |
| Dunnock | R-C | |
| Western Yellow Wagtail | Lost | No longer breeding. Last seen on patch in 2019 |
| Pied (White) Wagtail | R-C | |
| Grey Wagtail | R-S | Breeds on patch |
| Meadow Pipit | R-S | |
| European Chaffinch | R-FC | Still commonplace but numbers much reduced |
| Brambling | W-S | Winter visitor in declining numbers |
| Hawfinch | P-VS | Periodic records of flyover birds |
| Eurasian Bullfinch | R-FC | An easily overlooked bird but present throughout the patch, in farmland, woods and gardens |
| European Greenfinch | R-S | Numbers have plummeted in recent years |
| Common Linnet | R-FC | Numbers peak in the winter when flocks of a few hundred will favour cover crops |
| Redpoll | W-S | Lesser, Mealy and Arctic now lumped. On patch it is a winter visitor although the species breeds in the County |
| Common (Red) Crossbill | P-VS | Although the species breeds in Norfolk, it is a very scarce passage bird on patch |
| European Goldfinch | R-C | |
| Eurasian Siskin | W-FC | |
| Yellowhammer | R-FC | Still common but declining |
| Common Reed Bunting | R-S | Commoner in winter when it can join finch flocks |