Regina, I have multiple junco varieties as well. I believe we (lowland 5280
feet Denver) are at the edge of the white-winged's winter range. Bill and
Sylvia Brockner in Evergreen had them all the time through the years, when I
had none (Cherry Hills Village/Belleview and Holly, now Centennial/Orchard
and Colorado Blvd).
The different varieties arrive and leave at different times, fall and
spring.
I believe the white-winged is a separate species, but work has not yet been
done. The size and shape seem slightly different, besides the evident wing
bars and grayish color. As such, I believe it important to report them, as
we have birders living in many of these "border" sites. However, when I
reported one earlier this winter season to the list, and inquired why it
wasn't posted in the daily summary, I was rebuffed and told it was not a
separate species. The bird was seen on one day by me (posted in my report
to CoBirds), then once three days later. This was the first such bird I had
seen in living here for over 6 years.
Karl Stecher
Centennial
Regina King writes:
> I have 3 kinds of Juncos at my feeders - still. The Slate-coloreds and
> Pink-sided in equal numbers, with a few Oregon sprinkled in. Routine
> numbers are anywhere up to 12-15 at a time. I am always hopeful to someday
> see a White-winged, but never have.
>
> I live in unincorporated Jeffco, vicinity of Bowles & Kipling
>
> Regina King
> Littleton, CO
>
> On Thursday, March 28, 2013 7:21:30 PM UTC-6, Dave Cameron wrote:
>
>> I have Juncos in the yard (like everyone else) from mid- to late-October,
>> through late March. Very early in that time span, there are Pink-sided,
>> and then it's strictly Oregons and Slate-coloreds through the winter, along
>> with the black-hooded, white-bellied variety, sans brown, that I guess is
>> an intergrade of these latter two. At the very end of the aforementioned
>> period, there are pink-sided again, and that began this past Sunday, with a
>> sudden influx of them amongst the 'regulars.'
>>
>> Also, with six Juncos outside right now, this may mark the latest date on
>> the calendar that I've ever had them stay, presumably due to recent
>> snowy-ness. Typically, right around now marks the last of them.
>>
>> Anyway, assuming the Pink-sideds migrate through here and back through,
>> while the Oregons, et. al. migrate to here and stay, then the reappearance
>> of Pink-sided seems to indicate the call to the bell, if you will, of them
>> leaving for the season. I'll scatter a little extra for the journey.
>>
>> Not monumental news, just an observation.
>>
>> Cheers,
>>
>> Dave Cameron
>> Denver
>>
>
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