Fwd: Re: [EBB Sightings] about those juncos

--- Phila Rogers  wrote:

> Date: Sun, 27 May 2007 14:05:47 -0700 (PDT)
> From: Phila Rogers 
> Subject: Re: [EBB Sightings] about those juncos
> To: Bill Bousman 
> 
> Hi Bill and others:
> 
> The material I'm referencing is "A Second List of the Birds of The
> Berkeley Campus" by Joseph Grinnell (1914) where he writes "... the
> area considered in this paper comprises about 530 acres rising from
> an
> elevation of 200 feet at its western edge to a height of 1300 feet
> near
> the crest of the Berkeley Hills." (see The Condor, vol. xv1, page
> 28).
> 
> Very likely juncos and chickadee did nest in other Bay Area counties
> but because previous comments were local and I live in the Berkeley
> Hills I was referring to this area.
> 
> Thanks for your additional info.
> 
> Phila Rogers
> 
> > Folks:
> > 
> > Grinnell and Wythe (1927) defined the "Bay Area" as the nine
> counties
> > 
> > contiguous to San Francisco Bay.  Phila's comments apply only to 
> > Contra Costa and Alameda counties as concerns juncos and 
> > chickadees.  Both have always been common in the costal counties
> and 
> > Santa Clara County.  The movement of chickadees into the East Bay
> has
> > 
> > been described by K. L. Dixon in papers in the Condor and these are
> 
> > accessible online through the SORA website (Dixon, K. L.  1954. 
> Some
> > 
> > ecological relations of chickadees and titmice in central 
> > California.  Condor 56: 113-124; Dixon, K. L.  1960.  Additional
> data
> > 
> > on the establishment of the Chestnut-backed Chickadee at Berkeley, 
> > California.  Condor 62: 405-408.}
> > 
> > Bill
> > 
> > At 12:06 PM 5/27/2007, Phila Rogers wrote:
> > 
> > 
> > >Dear Birding Friends:
> > >
> > >Dark-eyed (Oregon) Juncos are now one of our commonest breeding
> > birds
> > >in the Bay Area.  That hasn't always been so.  According to Joseph
> > >Grinnell (ornithologist and founder of UC Berkeley's Museum of
> > >Vertebrate Zoology)in his second list (1914) of Berkeley birds, he
> > >lists the junco as an infrequent winter visitor.  The same status
> is
> > >given to the Chestnut-backed Chickadee.  He suggests that once the
> > >newly-planted pines and eucalyptus mature, both species may become
> > >year-round residents and breeding birds.
> > >
> > >What makes birding so dynamic is the changes that occur in a
> > relatively
> > >short span of time.  It's story of gains and losses.  Once the
> > >commonest bird in the Berkeley Hills was the Western Meadowlark. 
> > Now
> > >you have to settle for wintering flocks at places like Ceasar
> Chavez
> > >Park along the Berkeley Shoreline.
> > >
> > >The good news is that House Sparrows no longer number in the
> > thousands
> > >(attracted by seed-filled horse manure) and though owl species are
> > no
> > >longer as various and numerous, other raptors are flourishing.
> > >
> > >Phila Rogers
> > >
> > >
> > >
> >
>____________________________________________________________________________________Be
> > 
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> > 
> 
> 
> 
>        
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