Does anyone know if something has happened with the peregrine falcons who nest in the box under the West Seattle high bridge? There have been two there / in the vicinity since mid-March and I thought that one was on eggs for the longest time. But the last few days the box has appeared empty and I've seen only one peregrine hanging out in the vicinity. I've not seen any young this year.

Any ideas?
Mary
maryjmetz at yahoo.com