Date: 9/20/25 4:42 pm
From: Naresh Satyan via groups.io <naresh.satyan...>
Subject: Re: [LACoBirds] LA River Fall shorebird survey 2025: Day 3 results
I thought Swinhoe's White-eye numbers were interesting. On the three
surveys each year --

2023: 2, 4, 22 birds
2024: 49, 38, 79 birds
2025: 33, 63, 124 birds

Same dates each year, pretty much the same observers.

Naresh

--
Naresh Satyan
Pasadena, CA

On Sat, Sep 20, 2025 at 3:01 PM Naresh Satyan via groups.io <naresh.satyan=
<gmail.com...> wrote:

> Hi all,
>
> Our third and final day of the annual shorebird survey of the LA river
> this fall was on Saturday September 20. The results are here:
> https://ebird.org/tripreport/413388
>
> Previous reports from this year:
> Day 1 (August 10): https://ebird.org/tripreport/401630
> Day 2 (August 30): https://ebird.org/tripreport/406934
>
> All three days had the same coverage. It was a clear day today, with
> temperatures from the mid 60s closer to the coast to a hot and muggy 85 F
> inland. We had clear skies and no winds. The water level in the river
> remains very high, with mudflats present last month now completely
> submerged. Shorebirds were patchily distributed along the river. Some
> stretches had nothing -- I had more Turkey Vultures than shorebirds in the
> Sepulveda basin/Burbank areas and Mark Wilson, counting in Cudahy and South
> Gate, wanted a refund -- while other stretches were productive. We found
> increased numbers of shorebirds as we progressed further into fall
> migration. Dick Barth had four Baird's Sandpipers in the Paramount area,
> and there were three Pectoral Sandpipers at various places.
>
> The season's results are tabulated at the bottom of this email.
>
> It may also be interesting to compare with the results of previous years'
> surveys. The results of these annual surveys are on the LA Birders website
> here:
> https://www.labirders.org/science_projects/la_river_shorebird_survey.html
> -- scroll down to the spreadsheet at the bottom of the page.
>
> Thanks again to the birders who participated today: Jeff Boyd, Jon Fisher,
> Sam Bressler, Lance Benner, Dick Barth, Mark Wilson, Mark and Janet Scheel,
> and Andy Birch. We hope to do this again next fall.
>
> Regards,
> Naresh
>
> Date 10-Aug-25 30-Aug-25 20-Sep-25
> Conditions 63-73 F, marine layer over much of the survey area, mostly
> calm. The tide was a relatively low at the river mouth. 67-85 F, clear
> skies, no wind. High tide +3.5 to +4 ft at the river mouth 66-85 F, clear
> skies, humid and muggy inland, no wind for much of the morning. High tide
> +4.0 to +5.0 ft at the river mouth
> Comments Water levels in the river were fairly high throughout the survey
> area, with strong flow in the central channel. Water levels in the river
> were fairly high throughout the survey area, with strong flow in the
> central channel. Active Peregrine Falcons in the most productive areas of
> the river Water levels in the river were very high throughout the survey
> area, with quite a bit of vegetation, and shorebirds distributed unevenly
>
> Black-necked Stilt 1433 1312 1225
> American Avocet 17 8 1
> Black Oystercatcher 5 1 0
> Black-bellied Plover 0 0 1
> Semipalmated Plover 0 25 13
> Killdeer 145 120 144
> Whimbrel 5 12 11
> Long-billed Curlew 0 0 0
> Marbled Godwit 0 0 0
> Baird's Sandpiper 0 1 4
> Least Sandpiper 878 1437 2221
> Pectoral Sandpiper 0 0 3
> Semipalmated Sandpiper 0 0 0
> Western Sandpiper 21 132 1005
> peep sp. 10 42 33
> Short-billed Dowitcher 0 27 0
> Long-billed Dowitcher 121 135 37
> Short-billed/Long-billed Dowitcher 0 70 40
> Wilson's Snipe 0 0 0
> Wilson's Phalarope 1 0 0
> Red-necked Phalarope 0 0 0
> Spotted Sandpiper 22 29 30
> Solitary Sandpiper 0 2 0
> Greater Yellowlegs 52 72 64
> Willet 69 62 42
> Lesser Yellowlegs 1 5 6
> shorebird sp. 0 0 0
> --
> Naresh Satyan
> Pasadena, CA
>
>
>


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