Hi, Bev,
I am so sorry that the parents do not seem to be responding to the presence of the chicks. I am thinking, and God knows I am no authority, that perhaps the falcons at this site are stressed by a number of factors; this would partly explain why they laid their eggs in a part of the tower that no one can see into, but also that the falcons cannot see out of. This is a bird of prey that counts so much on its sight, so it hardly makes sense, to me. Also, the fact (so far as we know) that there are three falcons in the vicinity could make all the birds very tense. Mind you, that worked out o.k. in Montreal with Polly, but she was the daughter from the previous year, and I certainly do not think that this is the case here.