|Some of the team|
So we now have 23 complete tracks, 14 of the 2014/15 migration and 9 of the 2015/16 migration.
The following is a video animation by Lyndon Kearsley of the results of the 2014-15 migrations. The gaps in the anmation occur in the periods near the equinoxes:
For more, with pictures, read Birding Beijing