another greenroof book (chapter 2 is my favorite)

http://www.springer.com/us/book/9783319149820

predation

I saw a pinyon jay try to eat a white (cabbage?) moth on a roof today. Unfortunately, I interrupted the meal with my picture-taking.  The traps are also coming back really full, so we can only wonder how much of our catch we are sharing with the birds at this point.