As of this date, we have a pair of peregrine falcons in each of the two nesting areas on Mount Diablo. They are still in the early stages of bonding and courtship, which includes flying together and chasing off any intruder birds who spend too much time in their territory. It also includes copulation, a sure sign that the birds are heeding Mother Nature’s call. These encounters are usually observed with greater frequency as the days go by leading up to egg-laying. The peregrines have also been seen checking out various nesting cavity options, but have not yet chosen that perfect spot to set up housekeeping. They are fortunate to have such prime (and protected) real estate in the Diablo Range.