In a message dated 4/30/03 10:18:47 AM Pacific Daylight Time,
> Has anyone on this list ever seen chimney nesting Vaux's Swifts? If so,
> have the chimney sites always been proximal to old growth forests?
They nest in some chimneys in Santa Cruz and San Mateo counties. I can think
of two such sites that are within or immediately adjacent to old growth in
San Mateo Co. (Portola SP headquarters, and the end of Canyon Rd). In Santa
Cruz Co. none of the handful of known chimney nest sites were in old growth,
and some were well away from any old growth. In fact, some nests known from
the westside of the city of Santa Cruz were not even particularly near forest
of any sort, but were in suburbs (well, there were some isolated eucalyptus
groves nearby...) Generally speaking, nesting opportunities in chimneys in
these counties are greatly limited by the prevalence of spark arrestors which
prohibit entry by swifts.
Of the nests in tree cavities, all that I am aware of in both SM and SCZ were
in either old growth forest, or forest with residual old growth.
[Non-text portions of this message have been removed]