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4/25/26 9:12 am Aidan Sinha via groups.io <aidansinha...> [CALBIRDS] Garganey in San Mateo - back today
4/23/26 5:33 pm Aidan Sinha via groups.io <aidansinha...> [CALBIRDS] Garganey in San Mateo County
4/22/26 11:22 am <lehman.paul...> via groups.io <lehman.paul...> [CALBIRDS] shelf-edge and deepwater pelagics & cruises (a bit long)
4/19/26 3:35 pm lavin_fara via groups.io <pdunten...> [CALBIRDS] White Wagtail at Merced NWR
4/16/26 3:29 pm Van Pierszalowski via groups.io <van...> [CALBIRDS] California Bird Atlas - Town Hall Webinar TONIGHT
4/15/26 8:19 am Aidan Sinha via groups.io <aidansinha...> [CALBIRDS] Garganey report in Merced County
4/12/26 7:50 am Dominik Mosur via groups.io <dominikmosur...> Re: [CALBIRDS] yard bird
4/12/26 7:27 am Sarah Adams via groups.io <sarahhadams...> [CALBIRDS] yard bird
4/6/26 9:14 am Van Pierszalowski via groups.io <van...> [CALBIRDS] California Bird Atlas Newsletter + April 16 Town Hall
4/1/26 12:50 pm nlethaby via groups.io <nlethaby...> [CALBIRDS] Ventura-based Pelagics in 2026
3/31/26 11:23 am <lehman.paul...> via groups.io <lehman.paul...> [CALBIRDS] Fw: Coastal seabird numbers and mortality
 
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Date: 4/25/26 9:12 am
From: Aidan Sinha via groups.io <aidansinha...>
Subject: [CALBIRDS] Garganey in San Mateo - back today
All,

Joshua Stacy reports that the Garganey has returned to Nob Hill Pond.

Aidan Sinha
San Jose


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Date: 4/23/26 5:33 pm
From: Aidan Sinha via groups.io <aidansinha...>
Subject: [CALBIRDS] Garganey in San Mateo County
All,

Earlier today Michael Long reported a Garganey at Nob Hill Pond in San Mateo County. This appears to be the first record for San Mateo County. The bird reportedly flew east shortly after his report, but may still be in the area and could potentially return. The coordinates given by Michael were 37.52283° N, 122.25044° W for anyone planning to chase. Congrats Michael and good luck to those chasing!

Aidan Sinha
San Jose


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Date: 4/22/26 11:22 am
From: <lehman.paul...> via groups.io <lehman.paul...>
Subject: [CALBIRDS] shelf-edge and deepwater pelagics & cruises (a bit long)
As has become the norm over the past approx. 15+ years, April and soon-to-be May bring an annual spike in reports of deepwater/shelf edge pterodroma petrels and other species of interest. Mostly coupled with the multiple cruise-ship sailings off the coast from Southern California up to Vancouver. In addition, a few single-day charter trips make it out of port to the deep water canyons and seamounts at this time of year, and the occasional oceanographic cruise adds plenty of well-offshore data as well. Spring is often the windiest time of year, and often the windier it is the better for seeing larger numbers of the three pterodromas--Murphy's, Hawaiian, and Cook's--because they are flying rather than being becalmed and mostly sitting. So, there is a sort of sweet-spot for the single-day, smaller-boat charters where it isn't so windy that the trip is canceled or extremely unpleasant (but then the cruise-ships often see lots of arcing tubenoses and get some really large counts of Murphy's and at least a few Hawaiians), but it isn't so calm that many of the birds of interest aren't flying. (I should add here that even on windy days, most Cook's Petrels are NOT arcing high up, despite what a fair number of observers report in their comments, but rather they still stay closer to the surface than the other two petrel species.)

One major point I'd like to make here is that Murphy's, Cook's, and even Hawaiian Petrels are EXPECTED, REGULAR components of the offshore avifauna in numbers at this time of year, if one can get out to the shelf edge and to submarine canyons and seamounts. They are NOT the least bit unusual. (Ditto Laysan Albatross.) I think some folks still equate the evocative term "pterodroma petrel" with rarity, but that simply is not the case off the West Coast if one gets far and deep enough. Now, on some repo cruises, a number of neophyte and over-eager observers report a number of individuals of all three pterodromas which aren't! (Think arcing fulmars, Pink-foots, Sooties, or who knows what.) But there are still lots of real ones! Murphy's often starts occurring off CA already during March (possibly late Feb?), and all three can go fairly regularly into early June, even a bit later. Murphy's can be the most numerous on certain trips, with up to 300 seen on just single repo cruises, although typically they are seen in double-digits, and some calmer trips struggle to see just a very few. They can be seen anywhere from western Santa Barbara County north to well off s. British Columbia, and the largest numbers are often seen between about Sonoma (sometimes San Mateo) or Humboldt Counties north to off extreme southern WA. Hawaiian Petrels are seen in very small numbers on most repo cruises, with a few trips seeing as many as 15, but usually fewer than 5 per trip. They can be seen mostly from western Santa Barbara County north to central Oregon, with fewer, but still some, north to well off s. BC. Cook's is often feast or famine, with very good numbers on some trips and very few or even none on others, and it is the southern-most of the three in distribution, with the largest numbers often between Santa Barbara and about San Francisco Counties, but still regular as far north as southern Oregon, but then very rare up to off northern Oregon. Laysans occur everywhere. And some years there are a few Parakeet Auklets south to about Humboldt County, although that species tends to be falsely reported on some trips by over-eager observers who don''t appreciate how extensively pale below some flying Cassin's and Rhino Auklets appear.

Another major point I'd like to make is that if one relies solely on eBird data, then the status of these species is substantially under-represented. There are plenty of oceanographic cruises recording them but which do not report to eBird, and there are plenty of single-day pelagic trips and repo cruises from prior to about 10 years ago which only sometimes reported to eBird but which DID dutifully report to "North American Birds", the CBRC, local county records coordinators, or to other local data depositories. Those data should certainly not be ignored by folks not wishing to look beyond eBird.

For those potentially interested in cruise-ship crossings of these waters, the spring trips produce pterodromas, but the fall trips typically do NOT (but do record plenty of other species of interest). Holland America leaving out of San Diego typically has deepwater daylight from northwestern Santa Barbara County to northern San Francisco or southern Marin County, and then again from northern Humboldt County up to central-northern Oregon. Princess out of Los Angeles (San Pedro) typically has daylight from the SLO/Monterey County line north to southern Mendocino County, and then the next day they are already off s. Oregon. Take trips that, if at all possible, do NOT stop anywhere en route to Vancouver other than at Victoria. The ships with a wrap-around bow deck are best, but almost anything works, although some newer, behemoth ships have very limited outside deck space lower down and should be avoided it at all possible. There is also a longer 10-day trip that Princess runs as a round-trip some years from San Francisco to southeast Alaska and back, and it spends some good quality daylight time both directions in deep water off Humboldt and Del Norte, and also briefly off northern Mendocino on the return, and gobs of good time well off OR and BC (but is mostly at night off WA). There are also seasonal round-trip sailings through early spring from San Francisco south to Ensenada and back which spend one or two days in deep water. And lastly, I continue to hear one or two folks per year tell me that they heard that birding from a cruise ship is "like birding from the seventh floor of some building." Well, every time I hear this comment it is from someone who has NEVER been on a cruise-ship pelagic! The main birding deck is closer to the water surface and one gets perfectly reasonable looks even at storm-petrels. Sure, some birds stay a long ways off, but many don't, and of course the ship is often so steady that one uses a scope as much as one likes, but binoculars are fine for many birds. And photography can be good, given how steady it is. Now, birds chummed in right behind a much smaller, single-day, charter boat can't be beat for closeness, of course. But then one also factors in the potential trade-off of movement and comfort, actual daylight time spent well offshore, likelihood of cancellation, etc. And while the cruises are quite cheap per full day spent offshore (and you have your food and lodging covered), you also have to factor in the cost of getting to Southern CA and then home from Vancouver. So, all these various trips have their pluses and minuses. Great to do ALL of them!

--Paul Lehman, San Diego


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Date: 4/19/26 3:35 pm
From: lavin_fara via groups.io <pdunten...>
Subject: [CALBIRDS] White Wagtail at Merced NWR
Continues at the NW corner of the auto tour route.

Good luck, Pete Dunten / Mountain View


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Date: 4/16/26 3:29 pm
From: Van Pierszalowski via groups.io <van...>
Subject: [CALBIRDS] California Bird Atlas - Town Hall Webinar TONIGHT
Hi Birders,

Please join us *tonight* at *7:00 pm PT* on Zoom for the 2nd *California Bird Atlas (CBA) Town Hall*.

Register: *HERE ( https://zoom.us/webinar/register/WN_EPFHvpqETly6Yk7xJwm_Ig )*
Submit Questions: *HERE ( https://docs.google.com/forms/d/e/1FAIpQLSdnWjR4UApjRAPx0ErxR3y9dqFUNSzZ_KekPtbVGH_6JCrHIA/viewform?usp=header )*

In addition to project updates and Q&A, we’re excited to have Megan Jankowski (Review Coordinator, CBA) present a webinar on “ Finding Breeding Birds.” We’ve heard from many atlasers how different (in a good way) birding becomes when the focus shifts from “what species can I find?” to “what are these birds doing, and where are they nesting?” Megan is an exceptional nest-finder, and I’m looking forward to learning from her as well.

We’re also excited to share that, before the end of March, we surpassed *3,000* individual atlasers. For comparison, New York’s recent Breeding Bird Atlas (also run through an eBird project) took three years to reach that number. We reached it in under three months ! California’s birding community is incredible, and this is only the beginning.

If you haven’t joined the Atlas project yet, do so here ( https://ebird.org/atlascalifornia/home ).

If you missed last month's Town Hall, it’s available on our YouTube channel here ( https://www.youtube.com/watch?v=cCfPiGkkknQ ).

Happy Atlasing,
Van Pierszalowski
Executive Director
California Bird Atlas ( https://www.californiabirdatlas.org/ )

Los Angeles, CA


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Date: 4/15/26 8:19 am
From: Aidan Sinha via groups.io <aidansinha...>
Subject: [CALBIRDS] Garganey report in Merced County
All,

Just the messenger, but Chris Ortega reported earlier that there was an eBird report of a Garganey (or two?) in Merced County. The report is here: https://ebird.org/checklist/S321828361

Aidan Sinha
San Jose


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Date: 4/12/26 7:50 am
From: Dominik Mosur via groups.io <dominikmosur...>
Subject: Re: [CALBIRDS] yard bird
This is a spam message. A message about drier cleaning will be forthcoming.
Please remove this person from the group.

Thank you.


On Sun, Apr 12, 2026 at 07:27 Sarah Adams via groups.io <sarahhadams=
<proton.me...> wrote:

> There has been a Wilson's snipe in my backyard the last two mornings. Yard
> bird list first. It hung around for a couple hours this morning poking in
> the grass and resting. Otherwise the feeders have been strangely quiet so I
> was glad to see the snipe.
>
>
> Sarah Adams
> Los Angeles
>
>
>


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Date: 4/12/26 7:27 am
From: Sarah Adams via groups.io <sarahhadams...>
Subject: [CALBIRDS] yard bird
There has been a Wilson's snipe in my backyard the last two mornings. Yard bird list first. It hung around for a couple hours this morning poking in the grass and resting. Otherwise the feeders have been strangely quiet so I was glad to see the snipe.

Sarah Adams
Los Angeles

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Date: 4/6/26 9:14 am
From: Van Pierszalowski via groups.io <van...>
Subject: [CALBIRDS] California Bird Atlas Newsletter + April 16 Town Hall
Birders,

Thank you to everyone contributing to the California Bird Atlas. The latest edition of *The Atlas Dispatc h* is now live. Click *here ( https://ebird.org/atlascalifornia/news/atlas-dispatch-march-2026 )* for a full update, including Atlas-first breeding records, field highlights from across the state, and incredible photos.

We continue to be blown away by the level of engagement statewide. As of today, 66,642 Atlas checklists have been submitted across 5,131 blocks, spanning all 58 counties. 3,196 atlasers have contributed to the project, and we’re still in the first spring of a five-year Atlas period!

If you haven’t joined the eBird Atlas project yet, you can do so *here ( https://ebird.org/atlascalifornia )*.

We also hosted our first CBA Town Hall on March 19. A recording is available on our YouTube channel *here ( https://www.youtube.com/watch?v=cCfPiGkkknQ&t )*.

Our next Town Hall is April 16. We’ll share project updates, take questions, and feature Megan Jankowski (CBA Review Coordinator) presenting on how to find breeding birds. Register for the Zoom *here* ( https://zoom.us/webinar/register/WN_EPFHvpqETly6Yk7xJwm_Ig#/registration ). Submit questions *here ( https://docs.google.com/forms/d/e/1FAIpQLSdnWjR4UApjRAPx0ErxR3y9dqFUNSzZ_KekPtbVGH_6JCrHIA/viewform?usp=dialog )*.

California Bird Atlas is an independent 501(c)(3), and donations can be made *here ( https://donorbox.org/california-bird-atlas )*. Your support helps us grow the team, expand coverage, and continue building this incredible momentum statewide. We are deeply grateful :)

Thanks, all - we’re just getting started!

Happy Atlasing,
Van Pierszalowski
Executive Director
*California Bird Atlas ( https://www.californiabirdatlas.org/ )*

<van...>
Los Angeles, CA


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Date: 4/1/26 12:50 pm
From: nlethaby via groups.io <nlethaby...>
Subject: [CALBIRDS] Ventura-based Pelagics in 2026
All,

I wanted to let everyone know about the schedule for pelagic trips out of Ventura for summer/fall of this year. Similar to last year, Island Packers will be running 3 trips to observe the booby colony on Santa Barbara Island, a run that is also productive for other pelagic species especially storm-petrels and 3 longer trips that typically head further to the W and SW.

The dates are as follows:

SBI Booby Pelagics: Aug 13 (Thurs), Sep 12 (Sat) and Oct 13 (Tues)
10.5-12 hr Pelagics: Aug 15 (Sat), Sep 13 (Sun), Oct 11 (Sun)

Dave Pereksta will be leading the longer pelagics plus the Aug 13 Booby trip. I will be leading the Sep 12 and Oct 11 Booby trips.

Regards,

Nick Lethaby
Goleta, CA
<nlethaby...>
+1 805 284 6200

Sent with [Proton Mail](https://proton.me/mail/home) secure email.

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Date: 3/31/26 11:23 am
From: <lehman.paul...> via groups.io <lehman.paul...>
Subject: [CALBIRDS] Fw: Coastal seabird numbers and mortality
Here's the latest news release on dead or dying birds on beaches from California Department of Fish and Wildlife, including links on How the Public Can Help.https://wildlife.ca.gov/News/Archive/cdfw-finds-starvation-to-be-primary-cause-of-increased-mortalities-in-california-seabirds
Reporting these events (with photos) is critical to assessing the scale:https://wildlife.ca.gov/Conservation/Laboratories/Wildlife-Health/Monitoring/Mortality-Report
Justyn StahlNorth Park

On Tue, Mar 31, 2026 at 8:56 AM <lehman.paul...> via groups.io <lehman.paul...> wrote:

There has been a fair amount of online discussion and websites discussing increasing seabird mortality, with beached birds being found in larger numbers, not only the usual suspects like pelicans and cormorants, but also some murres and rhinos. The water is warmer than normal and there may be a food source issue developing, although as recently as late February fishing captains were telling me that there were plenty of bait fish around. 

Sometimes under these conditions the best fishing is right near the shore, and I just finished spending 2 hours looking off the end of Seacoast Drive near the Tijuana River mouth and near the Imperial Beach Pier and tallied a record total of 430 Red-throated Loons, a species that annually stages along this section of coast in March and early April but not normally in nearly these numbers. Also about 100 Pacific Loons, 1800 Western Grebes, and four Cocos Boobies.

Paul Lehman, San Diego 

Sent from AOL on Android



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