This was a bit of a shock, and at first I thought it was a bug - until I checked the bug report form
![Smile :)](./images/smilies/icon_e_smile.gif)
A big change in the game dynamic, which no doubt I will get used to - after all we have some new ways to kill biters and nests now
![Smile :)](./images/smilies/icon_e_smile.gif)
I do like the way the migration chunk circles are now colour coded though.