| Ref | Site code | Season | Date | Count | IBA | Subregional IBA  | RAMSAR | 
|---|---|---|---|---|---|---|---|
| 2348 | 28233225 | S | 1998-01-15 | 1 | |||
| 2634 | 28233225 | W | 1998-07-13 | 3 | |||
| 2815 | 28233225 | S | 1999-02-11 | 1 | |||
| 2981 | 28233225 | W | 1999-08-12 | 1 | |||
| 3391 | 28233225 | W | 2000-07-27 | 1 | |||
| 3888 | 28233225 | S | 2001-01-18 | 2 | |||
| 4071 | 28233225 | W | 2001-07-18 | 2 | |||
| 4607 | 28233225 | W | 2002-07-30 | 2 | |||
| 4852 | 28233225 | S | 2003-01-22 | 1 | |||
| 5521 | 28233225 | S | 2004-02-04 | 2 | |||
| 5962 | 28233225 | W | 2004-07-29 | 1 | |||
| 8603 | 28233225 | S | 2007-01-23 | 5 | |||
| 500868 | 28233225 | S | 2009-01-21 | 4 | |||
| 501369 | 28233225 | W | 2009-07-21 | 2 | |||
| 503355 | 28233225 | W | 2010-08-16 | 1 | |||
| 503352 | 28233225 | W | 2011-08-17 | 1 | |||
| 503350 | 28233225 | W | 2013-08-06 | 5 | |||
| 507220 | 28233225 | O | 2018-08-13 | 2 |