| 2021-06-07 | Cetti's Warbler | | 1 | Stratfield Brake | RCA |
| 2021-06-07 | Reed Bunting | | 1m 1f | Stratfield Brake | RCA |
| 2021-06-06 | Hobby | | 1 | Bodicote | WPB |
| 2021-06-05 | Cetti's Warbler | | 2 | River Thames: nr Sandford-on-Thames | SL |
| 2021-06-05 | Kingfisher | | 2 | River Thames: nr Sandford-on-Thames | SL |
| 2021-06-05 | Goosander |  | 1f | River Thames: nr Sandford-on-Thames | SL |
| 2021-06-04 | Cuckoo | | 1 | Kidlington: Cherwell Meadows | RCA |
| 2021-06-04 | Hobby | | 1 | Kidlington: Cherwell Meadows | RCA |
| 2021-05-30 | Kingfisher | | 1 | Iffley: Iffley Meadows | SL |
| 2021-05-30 | Common Tern | | 1 | Iffley: Iffley Meadows | SL |
| 2021-05-28 | Grey Partridge | | 2 | Abingdon: Peep-o-Day Lane | PDP |
| 2021-05-27 | Common Tern | | 2 | Iffley: Iffley Lock | SL |
| 2021-05-26 | Pied Avocet | | 1 | Appleford: Appleford GP | AFR |
| 2021-05-25 | Canada Goose | | 28 | Iffley: Iffley Meadows | SL |
| 2021-05-23 | Cuckoo | | 1 | River Thames: nr Sandford-on-Thames | SL |
| 2021-05-23 | Cetti's Warbler | | 1 | River Thames: nr Sandford-on-Thames | SL |
| 2021-05-23 | Cetti's Warbler | | 1 | River Thames: nr Kennington | SL |
| 2021-05-19 | Cuckoo | | 1m | Kidlington: Cherwell Meadows | RCA |
| 2021-05-17 | Firecrest | | 1 | Wytham Wood | AGG |
| 2021-05-17 | Cuckoo | | 1 | Wytham Wood | AGG |
