[EBB Sightings] about those juncos

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 
>a better Globetrotter. Get better travel answers from someone who 
>knows. Yahoo! Answers - Check it out.
>http://answers.yahoo.com/dir/?link=list&sid=396545469
>_______________________________________________
>You received this message because you visited  www.diabloaudubon.com 
>and subscribed to the mailing list
>Sightings at diabloaudubon.com
>To unsubscribe, ask questions, change your subscription, or learn 
>how to post to the list, visit the list information page at
>http://www.diabloaudubon.com/mailman2/listinfo/sightings
>Posts to this list average 100 to 120 per month.