| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 62 | 28182712 | W | 1992-08-05 | 25 | |||
| 152 | 28182712 | S | 1993-01-15 | 108 | |||
| 340 | 28182712 | S | 1994-01-13 | 489 | |||
| 422 | 28182712 | W | 1994-07-26 | 51 | |||
| 521 | 28182712 | S | 1995-01-18 | 75 | |||
| 640 | 28182712 | W | 1995-07-13 | 3 | |||
| 728 | 28182712 | S | 1996-01-29 | 15 | |||
| 3093 | 28182712 | W | 1999-07-23 | 11 | |||
| 3293 | 28182712 | S | 2000-02-02 | 568 | |||
| 3551 | 28182712 | W | 2000-07-20 | 36 | |||
| 3758 | 28182712 | S | 2001-02-08 | 387 | |||
| 4704 | 28182712 | W | 2002-07-26 | 8 | |||
| 5594 | 28182712 | S | 2004-02-02 | 11 | |||
| 8318 | 28182712 | W | 2006-08-15 | 1 | |||
| 501278 | 28182712 | S | 2009-02-13 | 2 | |||
| 503901 | 28182712 | S | 2012-02-22 | 5 | |||
| 503838 | 28182712 | W | 2013-08-20 | 4 | |||
| 505311 | 28182712 | S | 2015-01-27 | 12 |