Leon’s report on the increase of Calliope Hummingbirds is reflected at my yard 
in Niwot.  Fifteen minutes ago there were four Calliopes at my flowers in the 
front yard and two more at feeders in the back yard.   It’s been this way for 
the last two weeks.

 

John Vanderpoel

 

From: [email protected] [mailto:[email protected]] On Behalf Of 
Leon Bright
Sent: Monday, August 08, 2016 9:31 PM
To: Cobirds
Subject: [cobirds] Hummingbird report, NW Custer County

 

COBirders,

  Here is an anecdotal report on this season’s hummingbird numbers coming to 
our cabin’s numerous feeders at 9200’ in the Sangre de Cristo range.  As 
compared to the last three decades, the overall numbers to visiting hummers are 
up considerably, led by a very good crop of juvie Broadtails.  I credit the 
favorable weather conditions for being responsible for the increase for these 
local breeders.  The number of Rufous hummers is possibly above average with 
about normal ratio of adult males to those with female/juvenile plumage.  The 
most interesting story is that of the increased presence of Calliopes, 
especially females and juvies.  I would estimate that surge at about 30% to 40% 
this year.  At this point I’m not informed of the conditions at their breeding 
grounds in the Pacific Northwest that would account for this upswing.

Leon Bright, Westcliffe and Pueblo

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