| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 2196 | 31421812 | S | 1996-01-18 | 4 | |||
| 1061 | 31421812 | S | 1997-01-20 | 48 | |||
| 2250 | 31421812 | S | 1998-01-21 | 3 | |||
| 2757 | 31421812 | S | 1999-01-25 | 3 | |||
| 8672 | 31421812 | S | 2007-01-17 | 1 | |||
| 500025 | 31421812 | S | 2008-02-06 | 31 | |||
| 503634 | 31421812 | S | 2010-01-19 | 1 | |||
| 503604 | 31421812 | W | 2010-07-19 | 1 | |||
| 503633 | 31421812 | S | 2011-01-19 | 2 | |||
| 503690 | 31421812 | S | 2012-01-11 | 19 | |||
| 503688 | 31421812 | S | 2013-01-29 | 14 | |||
| 506530 | 31421812 | S | 2015-01-26 | 5 | |||
| 506532 | 31421812 | S | 2016-01-26 | 16 | |||
| 506534 | 31421812 | S | 2017-01-17 | 27 | |||
| 506976 | 31421812 | S | 2018-01-30 | 27 | |||
| 508414 | 31421812 | S | 2019-01-17 | 7 | |||
| 508603 | 31421812 | S | 2020-02-25 | 5 | |||
| 511069 | 31421812 | S | 2025-01-08 | 5 |