Dear Dennis, Cheasty Greenspace does not harbor many Chestnut-backed Chickadees, compared to Black-capped. The habitat is dense riparian woods with cleared-off areas decimated by developers building a mountain bike trail through the North Loop.
Nevertheless, Chestnut-backed Chickadees do occur here - and probably breed.
I'm not sure if we can detect a pattern, but here are our numbers for 2024 so far:
> On Oct 28, 2024, at 5:36 PM, Dennis Paulson via Tweeters <tweeters...> wrote:
>
> Hello tweets,
>
> Two of us, living several miles apart in Seattle, have noticed a substantial decline in Chestnut-backed Chickadees in our yards from their abundance this summer. Black-capped are still in the same numbers. Has anyone else seen this?
>
> Dennis Paulson
> Seattle
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