Thank you for the sightings. Sorry for belated reply.
PY was ringed on 28-Sep-2022, seven sightings: Oct-Nov 22, Feb-23, Apr-23, Nov-23
W2 was ringed on 26-Oct-2019, 24 sightings: Nov-19, Feb-May 20, Oct-Nov 20, Mar-21, Feb-Apr 22, Sep-Nov 22. Great to see it is still doing well!
X1 was ringed on 20-Sep-2020, 21 sightings from Mai Po and Shenzhen: Jan-Feb 21, Aug-21, Oct-21, Mar-Apr 22, Jul 22, Sep-22, Feb-Mar 23, Aug-23 and Nov-23.
YH was ringed on 14-Jan-24, this is the first sighting
The bird with a tracker is YA, ringed on 17-Dec-23, this is the first sighting. GPS tracker shows that it mainly use southern Mai Po and Lut Chau mudflat.
Sorry that the second last bird with the flags not visible cannot be identified.
Katherine
