Thank you and sorry for late reply.
Marsh Sandpiper K6 was ringed on 30-Sep-2019 as a first year bird (born in 2019 summer).
It was reported at Mai Po in Nov-19 and Feb-20, and then in Futian, Shenzhen in Apr, Oct and Nov-20.
Common Redshank Z4 was ringed on 20-Sep-20 as a first year bird.
It was reported a couple of times at Mai Po in Oct and Nov.
Grey Plover A7 was ringed on 30-Dec-2019 as an adult.
Good to see it back to Mai Po this year.
Katherine
Waterbirds Ringing Group