| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 2118 | 28233225 | W | 1997-07-15 | 2 | |||
| 2815 | 28233225 | S | 1999-02-11 | 5 | |||
| 2981 | 28233225 | W | 1999-08-12 | 6 | |||
| 3391 | 28233225 | W | 2000-07-27 | 1 | |||
| 3888 | 28233225 | S | 2001-01-18 | 1 | |||
| 4607 | 28233225 | W | 2002-07-30 | 9 | |||
| 5521 | 28233225 | S | 2004-02-04 | 2 | |||
| 6943 | 28233225 | S | 2006-01-20 | 12 | |||
| 500058 | 28233225 | S | 2008-01-22 | 9 | |||
| 500384 | 28233225 | W | 2008-07-29 | 2 | |||
| 500868 | 28233225 | S | 2009-01-21 | 6 | |||
| 501369 | 28233225 | W | 2009-07-21 | 1 | |||
| 502195 | 28233225 | S | 2010-01-14 | 10 | |||
| 503355 | 28233225 | W | 2010-08-16 | 2 | |||
| 503354 | 28233225 | S | 2011-01-26 | 2 | |||
| 502537 | 28233225 | S | 2012-02-02 | 1 | |||
| 502531 | 28233225 | O | 2012-09-17 | 1 | |||
| 503353 | 28233225 | O | 2012-10-17 | 1 | |||
| 503350 | 28233225 | W | 2013-08-06 | 6 | |||
| 505098 | 28233225 | S | 2014-01-21 | 3 | |||
| 506318 | 28233225 | S | 2016-02-15 | 13 | |||
| 507054 | 28233225 | O | 2018-04-03 | 3 |