| 29/12/20 | Wigeon | Buckland | 300 | M Merritt |
| On floods on approach to Thames. |
| 28/12/20 | Wigeon | Waterstock: River Thame | 990 | L Marriner |
12:09
| c990. |
| 27/12/20 | Wigeon | Port Meadow | 50 | M Doorly |
15:00
| At least 50 Wigeon. |
| 26/12/20 | Wigeon | Play Hatch | 4 | J Kearns |
11:25
| m & f. |
| 25/12/20 | Wigeon | Henley Road GPs | 4 | J Kearns |
10:55
| 2 m 2 f. |
| 25/12/20 | Wigeon | Marston Hamm | 1 | C O Caomhanaigh |
08:00
| SP517092. |
| 17/12/20 | Wigeon | Baulking Pit | 40 | M Merritt |
| SU322908. |
| 20/12/20 | Wigeon | Marston Hamm | 20 | C O Caomhanaigh |
08:54
| SP516094. |
| 18/12/20 | Wigeon | Moreton nr Thame: Moreton Golf Course | 72 | L Marriner |
18:20
| |
| 13/12/20 | Wigeon | Baulking Pit | 42 | M Merritt |
| SU322909. |
| 13/12/20 | Wigeon | Blenheim: Blenheim Lake | 8 | B Pomfret |
| |
| 10/12/20 | Wigeon | Standlake Pit 60 | 633 | M Cunningham |
18:39
| |
| 10/12/20 | Wigeon | Port Meadow | 200 | A Siantonas |
15:00
| Usual very large numbers on and by the floods. I was surprised to see a solitary wigeon swimming on the river a little upstream from the Perch. |
| 08/12/20 | Wigeon | Henley Road GPs | 8 | J Kearns |
14:46
| 4 m 4 f. |
| 05/12/20 | Wigeon | Wolvercote: College Pond | 8 | B Pomfret |
| |
| 06/12/20 | Wigeon | Dorchester: Days Lock | 185 | I Elkins |
| |
| 06/12/20 | Wigeon | Henley Road GPs | 6 | J Kearns |
10:55
| m & f. |
| 02/12/20 | Wigeon | Baulking Pit | 46 | M Merritt |
| SU322908. |
| 01/12/20 | Wigeon | Farmoor Reservoir | 2 | S Cousins |
11:45
| F1 Male and female amongst flock of Tufted Duck. |
| 28/11/20 | Wigeon | Moreton nr Thame: Moreton Golf Course | 60 | L Marriner |
16:19
| |
| 24/11/20 | Wigeon | Waterstock: River Thame | 245 | N Marriner |
09:30
| |
| 23/11/20 | Wigeon | Little Milton | 4 | P Law |
15:10
| SP601005. |
| 21/11/20 | Wigeon | Moreton nr Thame: Moreton Golf Course | 150 | L Marriner |
14:42
| |
| 15/11/20 | Wigeon | Waterstock: River Thame | 180 | N Marriner |
09:30
| With Luke M. |
| 15/11/20 | Wigeon | New Marston: New Marston Meadows | 1 | B Pomfret |
| male. |
| 14/11/20 | Wigeon | Port Meadow | 400 | S B Akers |
15:00
| 400+ estimated count - large numbers across the floods. |
| 08/11/20 | Wigeon | New Marston: New Marston Meadows | 2 | T Evans |
| |
| 08/11/20 | Wigeon | Moreton nr Thame: Moreton Golf Course | 20 | L Marriner |
16:55
| |
| 08/11/20 | Wigeon | Sonning Eye GPs | 8 | R C Watts |
11:30
| |
| 06/11/20 | Wigeon | Moreton nr Thame: Moreton Golf Course | 10 | L Marriner |
12:59
| |
| 03/11/20 | Wigeon | Port Meadow | 433 | O Padget |
08:10
| |
| 31/10/20 | Wigeon | Baulking Pit | 38 | M Merritt |
| SU322909. |
| 01/11/20 | Wigeon | Marston Hamm | 2 | C O Caomhanaigh |
07:30
| 1m 1f. SP518091. |
| 26/10/20 | Wigeon | Otmoor: RSPB reserve | 10 | J Kearns |
14:00
| m & f. In fields. |
| 25/10/20 | Wigeon | Appleford: New Workings | 3 | M Violette |
15:30
| SU520941. |
| 24/10/20 | Wigeon | Otmoor: RSPB reserve | 25 | N Truby |
| |
| 22/10/20 | Wigeon | Baulking Pit | 12 | M Merritt |
08:44
| SU322908. |
| 19/10/20 | Wigeon | Port Meadow | 100 | A Siantonas |
16:00
| Probably a lot more, on flood water and grazing around edge of water. |
| 17/10/20 | Wigeon | Moreton nr Thame: Moreton Golf Course | 5 | N Marriner |
17:00
| |
| 06/10/20 | Wigeon | Port Meadow | 100 | A Siantonas |
10:30
| Probably more but hard to count as they spread over the over the large floods. |
| 03/10/20 | Wigeon | Port Meadow | 25 | A Hartley |
| |
| 03/10/20 | Wigeon | Port Meadow | 10 | A Siantonas |
15:30
| Probably more but hard to see amongst all the geese and other water fowl on newly formed floods. |
| 02/10/20 | Wigeon | Otmoor: RSPB reserve | 17 | A Edgar |
18:15
| |
| 01/10/20 | Wigeon | Moreton nr Thame: Moreton Golf Course | 5 | L Marriner |
21:32
| |
| 02/10/20 | Wigeon | Port Meadow | 10 | A Hartley |
| |
| 01/10/20 | Wigeon | Moreton nr Thame: Moreton Golf Course | 5 | L Marriner |
21:32
| |
| 24/09/20 | Wigeon | Appleford: Appleford GP | 2 | C MacKenzie |
19:03
| |
| 20/09/20 | Wigeon | Blenheim: Blenheim Lake | 5 | B Pomfret |
| |
| 18/09/20 | Wigeon | Appleford: Appleford GP | 2 | C MacKenzie |
08:18
| |
| 05/09/20 | Wigeon | Cassington GPs | 5 | I Elkins |
| Numbers building up. |
| 01/09/20 | Wigeon | Cassington GPs | 5 | M Teal |
19:00
| |
| 01/09/20 | Wigeon | Appleford: Appleford GP | 1 | C MacKenzie |
16:54
| SU520939. |
| 29/08/20 | Wigeon | Baulking Pit | 2 | M Merritt |
| SU322909. |
| 27/08/20 | Wigeon | Cassington GPs | 1 | M Teal |
19:30
| f. |
| 22/08/20 | Wigeon | Cassington GPs | 1 | I Elkins |
14:00
| First one back! |
| 26/05/20 | Wigeon | Otmoor | 1 | D Murdoch |
19:12
| m. On Big Otmoor. |
| 26/05/20 | Wigeon | Otmoor | 1 | I West |
11:00
| Very late bird in amongst some Tufted Ducks. |
| 12/05/20 | Wigeon | Port Meadow | 1 | A Hartley |
| m. Also present yesterday and looking rather unwell. |
| 12/05/20 | Wigeon | Port Meadow | 1 | P Roby |
10:00
| Sleeping on meadow opposite Burgess field. SP497080. |
| 21/04/20 | Wigeon | Otmoor | 15 | D Murdoch |
18:26
| Minimum count. Big Otmoor. |
| 24/04/20 | Wigeon | Cassington GPs | 6 | M Teal |
19:00
| |
| 25/04/20 | Wigeon | Farmoor Reservoir: Lower Whitley Farm | 1 | G Taylor |
16:00
| male. SP436051. |
| 12/04/20 | Wigeon | Worton | 1 | M Teal |
19:30
| m. |
| 08/04/20 | Wigeon | Dorchester: Days Lock scrape | 2 | A Edgar |
19:30
| |
| 08/04/20 | Wigeon | Dorchester: Days Lock scrape | 2 | A Edgar |
19:30
| |
| 31/03/20 | Wigeon | Port Meadow | 50 | M Southwell |
10:04
| SP495083. |
| 28/03/20 | Wigeon | Radley GP | 2 | I Elkins |
| pair. |
| 27/03/20 | Wigeon | Neal's Farm | 2 | J Taylor |
18:33
| SU6882. |
| 27/03/20 | Wigeon | Waterstock: River Thame | 8 | L Marriner |
18:22
| |
| 25/03/20 | Wigeon | Neal's Farm | 2 | J Taylor |
17:01
| SU6882. |
| 24/03/20 | Wigeon | Port Meadow | 50 | M Southwell |
09:35
| male/ fem. |
| 21/03/20 | Wigeon | Dorchester: Days Lock scrape | 40 | M Merritt |
| |
| 21/03/20 | Wigeon | Otmoor: RSPB reserve | 300 | S B Akers |
17:00
| |
| 15/03/20 | Wigeon | Baulking Pit | 60 | M Merritt |
| SU322908. |
| 05/03/20 | Wigeon | Standlake Pit 60 | 538 | M Cunningham |
11:46
| |
| 29/02/20 | Wigeon | New Marston: New Marston Meadows | 16 | T Evans |
| |
| 29/02/20 | Wigeon | Baulking Pit | 60 | M Merritt |
| SU322909. |
| 15/02/20 | Wigeon | Baulking Pit | 68 | M Merritt |
| SU322908. |
| 15/02/20 | Wigeon | New Marston: New Marston Meadows | 8 | T Evans |
| |
| 14/02/20 | Wigeon | Henley Road GPs | 6 | J Kearns |
15:25
| 3 m 3 f. |
| 09/02/20 | Wigeon | Waterstock: River Thame | 100 | L Marriner |
12:17
| |
| 08/02/20 | Wigeon | New Marston: New Marston Meadows | 20 | T Evans |
| |
| 04/02/20 | Wigeon | Baulking Pit | 50 | M Merritt |
| SU322908. |
| 30/01/20 | Wigeon | Baulking Pit | 32 | M Merritt |
| SU322908. |
| 28/01/20 | Wigeon | Henley Road GPs | 24 | J Kearns |
12:15
| m & f. |
| 25/01/20 | Wigeon | Baulking Pit | 40 | M Merritt |
| SU322908. |
| 22/01/20 | Wigeon | Chinnor: Cement Works | 8 | D Stracey |
15:30
| 4m 4f Lake 2b. |
| 18/01/20 | Wigeon | Baulking Pit | 14 | M Merritt |
| SU322908. |
| 18/01/20 | Wigeon | Waterstock: River Thame | 530 | L Marriner |
12:34
| On flood. |
| 13/01/20 | Wigeon | Moreton nr Thame: Moreton Golf Course | 13 | L Marriner |
16:51
| on bank of main lake. |
| 12/01/20 | Wigeon | Baulking Pit | 30 | M Merritt |
| SU322908. |
| 04/01/20 | Wigeon | New Marston: New Marston Meadows | 3 | T Evans |
| |
| 11/01/20 | Wigeon | New Marston: New Marston Meadows | 14 | T Evans |
| |
| 08/01/20 | Wigeon | Henley Road GPs | 8 | J Kearns |
10:35
| m & f. |
| 05/01/20 | Wigeon | Grimsbury Reservoir | 3 | G Blockley |
| 1 drake. |
| 05/01/20 | Wigeon | Upper Cherwell Valley | 1 | G Blockley |
| drake. |
| 02/01/20 | Wigeon | Baulking Pit | 39 | M Merritt |
| SU322908. |
| 02/01/20 | Wigeon | Henley Road GPs | 4 | J Kearns |
14:57
| m & f. |