Date: 8/11/26 6:02 pm
From: Kyan Russell <kyansrussell...>
Subject: Re: [MBBIRDS] A breeding bird report conundrum...
CBA produced an excellent tool for this situation! Type in the species and
it will show you what codes are appropriate - for example, a Great Blue
Heron does not sing. Plugging in the cowbird, we see the following:

"Cowbirds do not feed their young. Use FL for cowbird when fledgling
observed being fed (host species doing the feeding can be coded as FY)."
https://codecheck.californiabirdatlas.org/bnhcow

Thus, code the Song Sparrow as FY, and the cowbird as FL.

Happy atlasing!


On Tue, Aug 11, 2026 at 5:52 PM 'Pete Sole' via mbbirds <
<mbbirds...> wrote:

> Hi birders,
>
> I find myself with a bit of a conundrum on how to code a "breeding" bird
> report on eBird. Perhaps the birding community can suggest a path forward.
>
> Background: Went to Lighthouse Field State Beach today, to look for the
> Eastern Kingbird that had been reported and photographed. I dipped on
> the Kingbird, but saw a poor Song Sparrow feeding a young Brown-headed
> Cowbird. The question is, how should I report the breeding activity for
> these two species?
>
> For now, I've coded the Song Sparrow as "Carrying Food" and the
> Brown-headed Cowbird as "Feeding Young", but I'm not sure that is
> correct. Fortunately, this little conundrum is not the end of the world,
> but still not sure how to proceed. For those curious, here is a link to
> the relevant eBird report with related photos attached, to the Cowbird
> list item.
>
> https://ebird.org/checklist/S382345183
>
> Your thoughts on the appropriate Breeding Behavior Codes for the sparrow
> and cowbird?
>
> Separately, there was a Scaly-breasted Munia in Lighthouse Field, the
> first I've ever seen at that location, as well a an adult female Hooded
> Oriole feeding a young Hooded Oriole.
>
> Pete Solé
>
> Visiting Lighthouse Field from Soquel CA
>
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