
Image from iNaturalist
| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 3072 | 25592827 | W | 1999-07-31 | 12 | |||
| 3234 | 25592827 | S | 2000-01-30 | 12 | |||
| 3405 | 25592827 | W | 2000-07-30 | 3 | |||
| 3776 | 25592827 | S | 2001-01-28 | 4 | |||
| 4109 | 25592827 | W | 2001-07-29 | 6 | |||
| 4372 | 25592827 | S | 2002-01-27 | 11 | |||
| 4560 | 25592827 | W | 2002-07-28 | 20 | |||
| 4991 | 25592827 | S | 2003-01-05 | 12 | |||
| 5698 | 25592827 | S | 2004-01-11 | 4 | |||
| 6759 | 25592827 | W | 2005-07-10 | 6 | |||
| 7056 | 25592827 | S | 2006-01-08 | 2 | |||
| 8393 | 25592827 | W | 2006-07-09 | 3 | |||
| 8730 | 25592827 | S | 2007-01-07 | 1 | |||
| 500802 | 25592827 | S | 2009-01-25 | 2 | |||
| 502102 | 25592827 | 2010-01-10 | 1 | ||||
| 502103 | 25592827 | W | 2010-07-11 | 4 | |||
| 502265 | 25592827 | W | 2011-08-07 | 8 | |||
| 504245 | 25592827 | S | 2012-01-15 | 7 | |||
| 504248 | 25592827 | S | 2013-01-20 | 2 | |||
| 504158 | 25592827 | W | 2013-07-21 | 3 | |||
| 504157 | 25592827 | S | 2014-02-02 | 1 | |||
| 505569 | 25592827 | W | 2014-08-17 | 10 | |||
| 505568 | 25592827 | S | 2015-02-15 | 2 | |||
| 506558 | 25592827 | W | 2017-07-23 | 1 | |||
| 506800 | 25592827 | S | 2018-01-21 | 4 | |||
| 507190 | 25592827 | W | 2018-07-22 | 1 | |||
| 507564 | 25592827 | S | 2019-01-20 | 1 | |||
| 507797 | 25592827 | W | 2019-07-21 | 1 | |||
| 508148 | 25592827 | S | 2020-01-19 | 1 | |||
| 508613 | 25592827 | W | 2020-07-19 | 3 | |||
| 508883 | 25592827 | S | 2021-01-24 | 15 | |||
| 509082 | 25592827 | W | 2021-07-17 | 4 | |||
| 509457 | 25592827 | S | 2022-02-15 | 1 | |||
| 510145 | 25592827 | W | 2023-07-23 | 1 | |||
| 510444 | 25592827 | S | 2024-01-21 | 5 | |||
| 510822 | 25592827 | W | 2024-07-21 | 4 | |||
| 511142 | 25592827 | S | 2025-01-19 | 3 | |||
| 511795 | 25592827 | S | 2026-01-18 | 3 |