No, sometimes it's hard to know just who lives where. Many of the holes pileated woodpeckers make in dead trees are later occupied by birds of other species. I don't know whether this is true of flicker holes, too.

Bird Holes, Mar. 14, 2010

Copyright © 2010 Paul D. Natkin, All Rights Reserved

Crows

Crow on a Wire, Sept. 14, 2009

 Copyright © 2009 Paul D. Natkin, All Rights Reserved

One can observe birds of a large number of species in and around the parks below the Viewpoint. Let's start with the crows. Sometimes huge numbers of them congregate in the treetops just below the Viewpoint, making a terrific racket. I'm always fascinated by this. They're very active in the cemetery across the street, too.