| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 5268 | 26132820 | W | 2003-07-23 | 1 | |||
| 5677 | 26132820 | S | 2004-02-16 | 3 | |||
| 8099 | 26132820 | S | 2006-02-16 | 4 | |||
| 8564 | 26132820 | S | 2007-02-15 | 1 | |||
| 500005 | 26132820 | S | 2008-01-28 | 2 | |||
| 500295 | 26132820 | W | 2008-07-31 | 1 | |||
| 500806 | 26132820 | S | 2009-02-03 | 2 | |||
| 502022 | 26132820 | S | 2010-02-09 | 3 | |||
| 507252 | 26132820 | W | 2010-07-14 | 1 | |||
| 507253 | 26132820 | S | 2011-02-03 | 42 | |||
| 507255 | 26132820 | W | 2011-07-26 | 48 | |||
| 507256 | 26132820 | S | 2012-01-17 | 2 | |||
| 507257 | 26132820 | W | 2012-07-17 | 92 | |||
| 507258 | 26132820 | S | 2013-01-29 | 12 | |||
| 503723 | 26132820 | S | 2014-01-22 | 7 | |||
| 505158 | 26132820 | W | 2015-07-08 | 4 | |||
| 505540 | 26132820 | S | 2016-02-04 | 1 | |||
| 505953 | 26132820 | W | 2016-06-26 | 2 | |||
| 507259 | 26132820 | S | 2017-01-10 | 17 | |||
| 507260 | 26132820 | W | 2017-08-02 | 2 | |||
| 507251 | 26132820 | S | 2018-01-10 | 8 | |||
| 507977 | 26132820 | W | 2019-07-25 | 12 | |||
| 509005 | 26132820 | S | 2021-02-23 | 2 | |||
| 509445 | 26132820 | S | 2022-02-17 | 1 | |||
| 510204 | 26132820 | S | 2023-01-17 | 7 | |||
| 510199 | 26132820 | W | 2023-07-25 | 7 | |||
| 510664 | 26132820 | S | 2024-02-14 | 21 | |||
| 510913 | 26132820 | W | 2024-07-31 | 10 | |||
| 511313 | 26132820 | S | 2025-01-17 | 9 | |||
| 511586 | 26132820 | W | 2025-07-22 | 2 |