Date: 3/20/25 9:35 pm
From: eBird alert via groups.io <alert.ebird...>
Subject: [slocobirding] [eBird Alert] San Luis Obispo County Rare Bird Alert
*** Species Summary:

- Greater White-fronted Goose (1 report)
- Tricolored Heron (1 report)
- Chipping Sparrow (1 report)
- Black-throated Gray Warbler (1 report)

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Thank you for subscribing to the <daily> San Luis Obispo County Rare Bird Alert. The report below shows observations of rare birds in San Luis Obispo County. View or unsubscribe to this alert at https://ebird.org/alert/summary?sid=SN36231
NOTE: all sightings are UNCONFIRMED unless indicated.

eBird encourages our users to bird safely, responsibly, and mindfully. Please follow the recommendations of your local health authorities and respect any active travel restrictions in your area. For more information visit: https://ebird.org/news/please-bird-mindfully

Greater White-fronted Goose (Anser albifrons) (2)
- Reported Mar 20, 2025 07:44 by Kevin O'Connor
- Morro Rock, San Luis Obispo, California
- Map: http://maps.google.com/?ie=UTF8&t=p&z=13&<q...>,-120.8670566&<ll...>,-120.8670566
- Checklist: https://ebird.org/checklist/S219608304
- Comments: "Overhead. Brown streaked intermediate size geese. No white visible on body except for the rear end, no black either, unlike Canada, brant or snow Identified also by call. Merlin confirmed. Sorry, didn’t save merlin audio. Didnt know it was rare here until I posted. Saw 1000 migrating white fronted one day this month home in Minnesota"

Tricolored Heron (Egretta tricolor) (1)
- Reported Mar 20, 2025 09:01 by Nick & Jane
- Cerro Alto Campground, San Luis Obispo, California
- Map: http://maps.google.com/?ie=UTF8&t=p&z=13&<q...>,-120.7491446&<ll...>,-120.7491446
- Checklist: https://ebird.org/checklist/S219693851
- Media: 1 Photo
- Comments: "Adult rare heron in an unlikely location for any heron, especially this species inland. While observing an unobstructed view area of the creek with rocky banks (35.4254990, -120.7481773) we began watching a Steller’s Jay hopping along the creek bottom from sticks to sticks about twenty-five yards away. It was then the jay startled a small blue heron we hadn’t seen standing back from the bank. The heron took off, letting out some shortish nasally calls—not scratchy like a great blue, nor squeaky or kak-ish like a green heron. We first had a side view, then it banked to its right up to eye level, and then turned right again and flew northward along the creek. While it first banked it flew away from us before turning, and so we were able to see its short tail and white undertail, and when it turned north we were able to see its white flanks and belly, and snow-white on large portions of its otherwise blue underwings. We searched the creek back toward the lower lot twice—much of those creek views were obstructed. The bird, at our first thought, because of the side view, and because I was just talking about once seeing a great blue heron near this spot, resembled a Great Blue, but in miniature form. But that quickly gave way as this was a more striking deep blue plumage, and not dull like a great blue—and was also striking blue on nearly its entire head, cheeks, wings and back—and had a white underside that once again, we spotted briefly, and overall had no grey, no streaking, and in its leaping into the air and flight views, had no red or purplish, no crown coloration differing from its blue cheeks. Didn’t get good looks at the front of its long throat, though its chin was pale. The legs were bright yellow, which were the fieldmarks that threw us, because it wasn’t a green heron either, and the yellow was too bright anyway, and so it was then we also realized that this small heron (much larger than a green heron but still only half the size of a great blue) was a tricolored. The bill, we recall, was dark with some yellow toward the base, though neither recall specifics about colorations around the eye. We searched what we could of the creek, searching for vantage points, but had no luck refinding. Though we watched the bird for ten or so seconds, would not have had time to turn on camera and get a shot and so chose to observe the bird rather than make an attempt with pics unless relocated. I will upload a pic of the location so that the open view of the creek can be seen."

Chipping Sparrow (Spizella passerina) (1)
- Reported Mar 20, 2025 08:54 by Gregor Yanega
- Santa Rita Ranch (restricted access), San Luis Obispo, California
- Map: http://maps.google.com/?ie=UTF8&t=p&z=13&<q...>,-120.8427921&<ll...>,-120.8427921
- Checklist: https://ebird.org/checklist/S219691019
- Comments: "In clearing, north fields approaching apple rd. out in the open, sitting on a rock. got a good look at it, orange cap and black stripe behind eye clear. flew into an oak with a few juncos, then flew west across the files as i tried to get close enough for a photo."

Black-throated Gray Warbler (Setophaga nigrescens) (1) CONFIRMED
- Reported Mar 19, 2025 10:10 by Petra Clayton
- Meadow Park--San Luis Obispo, San Luis Obispo, California
- Map: http://maps.google.com/?ie=UTF8&t=p&z=13&<q...>,-120.6606531&<ll...>,-120.6606531
- Checklist: https://ebird.org/checklist/S219478376
- Media: 4 Photos
- Comments: "Black and white overall; gray back with black markings; black crown, chin and mask over the eye; broad white supercilium with a yellow spot on the lores; white submustachial stripe; black streaks on the flanks; clean, unmarked white belly and undertail (unlike a Black-and-white Warbler); two white wingbars; white outer tail feathers.
Click on the image below for a Flickr video:
<a href="https://www.flickr.com/photos/jack-petra-clayton/54398071716/in/dateposted-public/" title="Black-throated Gray Warbler (Setophaga nigrescens), San Luis Obispo, CA"><img src="https://live.staticflickr.com/31337/54398071716_79c6ef1942_z.jpg" alt="Black-throated Gray Warbler (Setophaga nigrescens), San Luis Obispo, CA" /></a>"

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