Re: [SBB] More on Rufous Hummingbirds

["mary keitelman" <[[email protected]]>]

hi Phyllis,

I heard off list from both Bill Bousman and David Suddjian on the migration 
and breeding of Rufous in the Central CA:

1) the normal spring migration period for Rufous Hummer in the central CA 
area extends into mid-May.

2) The peak of Rufous Hummingbird migration is from the third week in March 
through the middle of April in Santa Clara County (see the SCVAS web site 
for bar graphs).  However, they can be found as early as mid-January and 
some males returning early from their breeding grounds and young birds later 
in the season can be found anytime through middle September (based on 
banding records).

No, they don't breed here.  Their southern limit is Oregon with possibly a 
few birds nesting in northern California in some years.  There are some 
historic records from Humboldt County, but none were determined to be 
nesting there during their 5-year atlas.  Allen's is, of course, an abundant 
breeder along the California coast but is rarely found more than 25 miles 
from the sea.  When Rufous has nested in northern California, it has been in 
the mountains at higher elevations well away from the coast.

Thank you all!

Mary





>From: "Phyllis Browning" <[[email protected]]>
>To: "'South BayBirders'" <[[email protected]]>
>Subject: [SBB] More on Rufous Hummingbirds
>Date: Sat, 15 Apr 2006 15:17:04 -0700
>
>I had a male Rufous in my south Palo Alto back garden for 3 hours on
>Tuesday, April 11th, so I suspect that they are just moving through at this
>time.
>
>Phyllis
>
>
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