We had quite an interesting experience this afternoon at our vacation home on 
the west end of Estes Park. I was scanning for birds from our deck, when I saw 
a woodpecker land on the side of a wooden telephone pole in front of our house, 
no more than 100 feet away. Looking at the bird through binoculars I at first 
assumed it was a Red-naped Sapsucker -- red throat, red on the top of the head, 
yellow belly. But I quickly realized it had absolutely no red on the back of 
the head (very white instead) and had a strong black border between the red of 
the throat and the rest of the head. It really looked like the male 
Yellow-bellied Sapsuckers I see at home in Maryland in the winter. The bird 
flew before I could get my camera. I tried to track it down, unsuccessfully, 
and then I made notes of my observation before going to books and online 
resources. Reviewing the illustrations and descriptions in several field 
guides, this seems to be a male Yellow-bellied Sapsucker. I remembered articles 
on the subject of distinguishing Red-naped from Yellow-bellied Sapsuckers. I 
read online Tony Leukering's "In the Scope" article from the October 2007 
"Colorado Birds" about some female Red-naped Sapsuckers with all-red throats. 
Tony doesn't say whether the female he observed and photographed for that 
article had red on its nape. The overall size of its red throat seems bigger 
than the bird I observed. Unfortunately I cannot access online the article in 
the November/December 2006 "Birding" about "Variation in Red-naped and 
Yellow-bellied Sapsuckers", so that will have to wait until I get home to 
Maryland. I'm mindful that other observations of Yellow-bellied Sapsucker in 
Colorado have generally been on the plains and along the foothills (checking 
eBird and the CBRC database), so up here in Estes Park would be even more 
unlikely. Also, Tony's entirely red-throated female Red-naped Sapsucker was 
photographed in Rocky Mountain National Park only a couple of miles from where 
we are. And there is always the issue of an intergrade between the two species.


Our neighborhood is mostly Ponderosa Pine and brushy areas up on the side of a 
hill, so I don't know how likely it might be that this bird will reappear. 
Whichever it turns out to be, it is a new species for our yard here.


Jim Nelson
Bethesda, Maryland

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