Historical record: This record was not submitted by observers. It was compiled and made available here as part of the Singapore Birds Project's effort to make historical records more easily accessible.
| Species |
Black-headed Gull Chroicocephalus ridibundus |
|---|---|
| Record ID | 285 |
| Date | 30 Dec 1983 |
| Location | Johor Causeway |
| Count | 1 individual |
| Date added | 25 Oct 2021 |
| Background | No descriptions in Wells (1990a) except that it was a subadult. |
|---|---|
| Verdict | Accepted / Wild (Unverifiable) |
| References | Wells, 1990a |
|---|---|
| Wang & Hails (2007) | Record is absent in source |
| Lim (2009) | Record is present in source |