lkatherine

Thanks you very much!

M4 is a good one, see my reply in the other post: http://www.hkbws.org.hk/BBS/view ... &extra=page%3D1

Y2 was ringed on 20-Sep-20, first sighting since then.

Blue over Green is from (Outer) Mongolia, nice record. I'll pass that to researchers there.

Katherine
Waterbirds Ringing Group