Thursday 13 May 2021

[cobirds] Interesting bilaterally leucistic Spotted Towhee 5/9-5/10

Greetings Cobirders,

I forget who was working on an article for the CFO magazine on leucism unfortunately, but apparently my cobirds post on 5/10 did not get through due to my two photos being too large for google groups (even tho' I deleted 1 or 2 and went with smaller versions of the 2 left). 

On 5/9-10's cool wet & overcast days, in our backyard we had a continuing Lincoln Sparrow, Green-tailed Towhee, Lazuli Bunting or two, Song Sparrow, House Wren, Brown-headed Cowbird, 7 or more Chipping Sparrow, 4-5 Mourning Dove, 3-4 lingering Gray-headed Junco and a couple Gambel White-crowned Sparrow, and 4-5 Spotted Towhee, along with the usual mix of corvids, nuthatches & chickadees, siskins robins & finches.

Among the unusual numbers here of 5 Spotted Towhee and 5 Mourning Dove, in each case there had been a "dominant" male territorial defender unwilling to accept a neutral free food zone during meteorological stress, who tried to chase off the others (besides his mate). 

As for the subject line, among the "unwelcomed" towhees there had been an unusual partial-leucistic male that's white-sided on his left side instead of rufous--but otherwise normal. I only had a glimpse 5/9, and was left wondering if it was just my angle or my imagination, but on 5/10 managed to get some photos during his undeterred visits. Glad he persisted.

Rather than trying unsuccessfully to post photos too large, here's a link to my ebird list for 5/10, with 5 pics of this interesting Spotted Towhee:


Marty Wolf
NW CO Spgs, 6633' up

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