Can't See the Rabbits for the Trees - 9/21/18

Today's French puzzle really had me going in circles before I managed to figure out what to do with all of those "rabbits."  I kept finding myself checking my work saying "rabbit, rabbit, rabbit ..." and it's nowhere near the first of the month yet.  I only learned about that superstition recently, but I'll have to try saying it first thing in the morning on October 1st and see if it brings me any good luck.
I hope you'll be able to figure out how to work it so you can't see the rabbits for the trees in:

27 - Grilles Logiques : facile

Tomorrow we'll be in ...