Date: 6/9/26 9:22 am From: Chris Waterman via groups.io <chriswaterman555...> Subject: Re: [EBB-Sightings] Contra Costa County Swinhoe’s White-eye breeding activity
So cool! Thanks for sharing!
Chris
> On Jun 9, 2026, at 9:09 AM, Zac Denning via groups.io <zdenning1...> wrote:
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> For a while now, I’ve been monitoring Swinhoe’s White-eyes that have been singing (and apparently on territory) along San Carlos Ave in El Cerrito, as well as on the Alameda County (Albany) side of the park. Since there is no previous breeding record in Contra Costa County, I was curious to see If they are attempting breeding.
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> On Friday, I was able to photograph a bird with a brood patch, which is a “Confirmed” type eBird breeding code (vs breeding codes marked as Possible). While this strongly suggests breeding activity, I have yet to encounter a nest or fledglings.
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> EBird list with photos of the bird with brood patch, plus audio and locations:
> https://ebird.org/atlascalifornia/checklist/S354806113 >
> Previous checklist with photos/audio, plus more location info - including a favored feeding spot on a bottle brush plant that the birds sometimes visit (easier viewing than the typical song perches high in trees):
> https://ebird.org/atlascalifornia/checklist/S344008612 >
> Zac Denning
> Albany
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