[SBB] Fycatcher and owl questions, yard birds, Menlo Park

["Kris Olson" <[[email protected]]>]

We have had two interesting yard birds this spring and summer.

One is a Pacific Slope Flycatcher. I have heard it around since May 1. Last
year one was around for the month of May, then vanished.   I have only seen
this one once as it's mainly out of sight and I am coming or going as I hear
it. Since the bird is still calling, does it mean it has not mated?

The other is a Western Screech Owl. I have seen it flitting about at dusk.
It's been in our yard or up and down the street since Feb. 2.  I hear it
every few days, or sometimes every day-- but that has tapered off. It can
call for hours!! Now it seems to call around dusk, then maybe in the middle
of the night or an odd time, but just a few calls. It was also often present
and vocal in our yard through last summer, until the beginning of November.
It might have disappeared, gotten quiet or we were outdoors less with
windows closed from November to February. 

Does the constant calling mean that it has not mated?  


There was another one a few blocks away in 2003. I saw it starting in
December 2002 all the up until the babies fledged May 4. I never once heard
it call until the youngsters were out and about for 2 weeks, before they all
vanished. So, since this owl was mated and it did not call, can we presume
that the calling owl is not mated? 

Any thoughts on this behavior appreciated.

Kris Olson, Menlo Park


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