| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 24 | 30372537 | S | 1992-02-12 | 20 | |||
| 349 | 30372537 | S | 1994-01-18 | 1 | |||
| 732 | 30372537 | S | 1996-02-02 | 9 | |||
| 1046 | 30372537 | S | 1997-02-11 | 6 | |||
| 2357 | 30372537 | S | 1998-02-10 | 45 | |||
| 2793 | 30372537 | S | 1999-02-02 | 39 | |||
| 3089 | 30372537 | W | 1999-07-27 | 24 | |||
| 3289 | 30372537 | S | 2000-02-10 | 7 | |||
| 3555 | 30372537 | W | 2000-07-13 | 2 | |||
| 3753 | 30372537 | S | 2001-02-12 | 9 | |||
| 4454 | 30372537 | S | 2002-02-19 | 3 | |||
| 5036 | 30372537 | S | 2003-02-11 | 7 | |||
| 5334 | 30372537 | W | 2003-07-31 | 6 | |||
| 5617 | 30372537 | S | 2004-02-04 | 1 | |||
| 1971 | 30372537 | W | 2005-08-11 | 13 | |||
| 94001 | 30372537 | O | 2006-02-28 | 2 | |||
| 8801 | 30372537 | S | 2007-02-27 | 12 | |||
| 500196 | 30372537 | S | 2008-02-28 | 67 | |||
| 503861 | 30372537 | S | 2010-03-08 | 19 | |||
| 504054 | 30372537 | S | 2011-03-24 | 78 |