| Ref | Site code | Season | Date | Count | IBA | Subregional IBA  | RAMSAR | 
|---|---|---|---|---|---|---|---|
| 730 | 28342650 | S | 1996-01-30 | 29 | |||
| 1044 | 28342650 | S | 1997-02-06 | 10 | |||
| 2355 | 28342650 | S | 1998-02-03 | 23 | |||
| 2795 | 28342650 | S | 1999-02-09 | 13 | |||
| 3292 | 28342650 | S | 2000-02-01 | 16 | |||
| 3553 | 28342650 | W | 2000-07-31 | 3 | |||
| 3756 | 28342650 | S | 2001-02-14 | 3 | |||
| 4460 | 28342650 | S | 2002-02-21 | 3 | |||
| 5601 | 28342650 | S | 2004-02-27 | 1 | |||
| 504034 | 28342650 | S | 2010-02-16 | 1 | |||
| 502267 | 28342650 | S | 2011-03-07 | 74 | |||
| 503912 | 28342650 | W | 2011-08-25 | 1 | |||
| 503913 | 28342650 | S | 2012-02-23 | 39 | |||
| 503109 | 28342650 | W | 2012-08-22 | 2 | |||
| 503179 | 28342650 | S | 2013-03-04 | 69 | |||
| 503843 | 28342650 | W | 2013-08-13 | 2 | |||
| 504196 | 28342650 | S | 2014-03-27 | 15 | |||
| 505316 | 28342650 | S | 2015-01-26 | 79 |