C0 was ringed on 7-Apr-23 and fitted with a GPS tracker. It was resighted 2 times in Apr-23.
Signals from the tracker show that C0 used Poyang Lake as 1st stopover during north migration, then flew almost direct to its breeding ground in Eastern Russia near Heilongjiang.
On southward migration it stopover at Bohai Bay for about a month, and then flew directly back to Deep Bay.
Katherine
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