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A nice unofficial day at Malibu Lagoon, 23 Feb. 2025

March 2, 2025
South lagoon, Surfrider Beach & Pacific Ocean, visibly emptied of humanity. (Lillian Johnson 2-23-25)

[Text by Chuck Almdale; photos by Marie Barnidge-McIntyre, Lillian Johnson & Chris Tosdevin. Trip list at the end.]

Because nearly all of Pacific Coast Highway (PCH to locals) was closed due to the enormous brush and residential fires followed closely by inches of rain – instead of our typical 0.2-0.4 inches – followed even more closely by landslides of mud and rock due to the removal of all soil-stabilizing vegetation by the fire [see start of this sentence], we canceled our official bird walk, just as we had last month (before the fires and the rains), and substituted this unofficial birdwalk. Nevertheless and to my enormous surprise, 16 people showed up including people new to the lagoon and several new to birding. Amazing. Anyone coming from Santa Monica would have to add an hour to their usual travel time to get there.

The Gods of Birding – there are many, all with large beautifully-feathered wings – smiled upon their perseverance and favoured (some of these Gods happen to be British) their devotion with a Very Special Bird. Chris and Ruth Tosdevin, British Birders, were even more favoured as they were alerted by the sudden lifting off of the birds in the lagoon, looked around for an approaching raptor and witnessed the bird fly in. Chris shouted at us and we stopped talking to look.

Bald Eagle (Chris Tosdevin 2-23-25)

We don’t get a lot of Bald Eagles at the lagoon, to put it mildly. Southern California doesn’t get a lot of Bald Eagles. I’d seen one, once, in Los Angeles county about 40 years ago, sitting on a light pole on the south end of the Marina del Rey outer jetty. It had probably flown over from Santa Catalina Island where they nest. This one may have done the same thing.

Bald Eagle (Marie Barnidge-McIntyre 2-23-25

It alit upon a rock in the lagoon, as you can see. It stayed a few minutes, then flew a short distance to another, apparently preferable, rock, and stood motionless. The light was terrible as we were looking directly into the sun. [If the photos look a bit washed-out or overexposed, that’s why.] I suggested we move around the channels to the 2nd viewpoint nearer the beach. This is actually a long walk, maybe 1/2 mile, and by the time we got there, the bird had flown. None of us saw it leave.

Now for a short digression, of interest primarily to birding wonks and inveterate listers, filled with dates and numbers. If this makes your eyes glaze over and brain begin to hurt, skip past the separator lines to the next attractive photograph.


Later, back at home,I checked eBird to see how many – if any – Bald Eagle sightings had ever been reported for the lagoon, and somehow managed to convince eBird to create the line graph below of all Bald Eagles ever recorded at the lagoon. Easiest to glean from this graph below is that there have been nine sightings total, including ours, falling between the 1st week of January and the 2nd week of March, in weeks beginning: 1 in 1/1, 1 in 1/15, 4 in 2/22, 2 in 3/8, 1 in 3/15 (hiding at the midpoint of the straight line from 3/8 to 3/22). The very first sighting was on 7 Jan 1991 by Lee Snyder (bird list, all years, first observed). It’s not a common visitor at the lagoon.

Bald Eagle eBird Malibu Lagoon total sightings line graph.

At this point I ran across a peculiarity about eBird, one which renders its handling and presentation of data unreliable to my mind. I accessed the chart above and data display below within a minute or two of each other, but the top one gives me 9 total sightings and the bottom one says 13. Well…which is it? Were there nine or thirteen Bald Eagles sighted at the lagoon?

Bald Eagles at Malibu Lagoon sightings totals

In an abortive attempt to determine some dates for the other sightings, I made the great mistake of running the line graph for about 20 different date ranges, at which point I decided this system is completely nuts and quit. Here’s one sample chart from this bunch of tests, for period 1900-1970 (that’s important). It claims to show sightings of one Bald Eagle in each of 6 different weeks starting on dates: 1/1, 1/15, 1/22, 2/22, 3/8, 3/15. Except for 1/22, these are the same weeks for the birds actually (I think,f but am no longer certain of anything) sighted during period Jan 1991 – Feb 2025.

Bald Eagle eBird Malibu Lagoon totals line graph for period 1900-1970 all months.

Anyone looking at the data for a more common bird with far more sightings at a particular location would be unlikely to see something screwy like this, as whatever is causing this/these error(s) would be lost in the noise of data.

So…back to my earlier question: were there a total of nine or thirteen Bald Eagles at Malibu? My money’s on neither. I think the answer is five: one each in the weeks starting 1/1, 1/15, 2/22, 3/8, 3/15. I suspect the (supposed) sighting in week 1/22 got tossed out, if it ever existed. It didn’t make it into the line graphs for the later periods.

If there is some eBird maven out there who can demonstrate why I’m completely wrong and eBird is correct in all its presentations of the Bald Eagle sightings at Malibu Lagoon, please drop me a line and I’ll be happy to publish my errors and their explanation. Until then, I hope this is some extraordinary anomaly pertaining only to Bald Eagles and doesn’t mean the entire eBird system is shot through with bad coding and broken algorithms.

I probably should have put the above eBird discovery/complaint into a separate blog posting, but there it is. We now return to our regularly scheduled field trip report.


Main channel snag in the sunlight. (Lillian Johnson 2-23-25)

Well…dingy bird totalling nitpicking aside, seeing any Bald Eagle anywhere in SoCal, especially at Malibu Lagoon where I’ve birded for 45 years, is a notable event and a hard act to follow. But instead of packing it up and going home for beer and popcorn, we forged on.

Western Bluebird, male (Marie Barnidge-McIntyre 2-23-25), our first passerine.

We had some brief semi-excitement down at the beach where the rocks were now exposed as the tide was withdrawing towards -0.4 ft. at 1:16pm. We spotted two sandpipers that looked a little odd. (And – of course – once again we were looking into the sun, unhelpful for viewing and photographing.) The birds – which kept disappearing behind boulders – looked an awful lot like Pectoral Sandpipers.

Least Sandpiper (Chris Tosdevin 2-23-25)

Well, you might not think so looking at these photos, but at the time it seemed reasonable…somewhat reasonable, anyway. Pectoral Sandpipers in all plumages have a sharp cutoff of breast streaks. The photo above and the right one below give the best impression of this. But frankly, none of the photos really give that impression which we (or was it just me?) at the time. The problem was the streaks were just too faint. Could they be bleached by the sun; were these birds soon to molt into bolder plumage? Who knows?

Least Sandpiper (Marie Barnidge-McIntyre 2-23-25)

It seemed to me that the forehead was too steep for Least, and the bill too thick and blunt and the shoulder plumage (scapulars) too plain gray-brown. Most Leasts at the lagoon have warmer brown backs, sloping foreheads and thinner, pointier, curvier bills.

Least Sandpiper. Notice the long middle toe on the right bird. (Marie Barnidge-McIntyre 2-23-25

In my research on this bird (aka poking around through a couple of books and some on-line photos) I ran across the fact that “all three pale-legged stints, Least, Long-toed and Temminck’s, often have central toe longer than tarsus, but only Long-toed has central toe obviously longer than bill.” (Shorebirds: Hayman, Marchant & Prater, 1986) I did the ruler-to-the-screen test on the bird above right and measured that middle toe at 6.25% longer than the bill; long, but not “obviously longer.”

However…among other problems…Pectorals just aren’t here this time of year (showing up in early April per Birds of Southern California, Garrett & Dunn, 1981), the base of the bill is pale at all ages and the head and back plumage wasn’t exactly right. It’s also larger – 8.75″ vs 6″ – but the only birds in the vicinity were Black-bellied Plovers which at 11.5″ is significantly larger that both species and thus not particularly useful (to me) for size comparisons. Chris and Marie reported them to eBird (yes, eBird again!) as Leasts and I – back home and looking at photos, came to the same conclusion.

Above: A real Pectoral Sandpiper at the lagoon who also has a long toe. (Chris Tosdevin 9/19-24/22)

Plants were blooming on the beach, and the assorted bumps in the sand near the lagoon are beginning to look like real dunes with real dune vegetation on them.

Sea Rocket (or European Sea Rocket) Cakile maritima, a non-native invasive, previously misidentified as Sand Verbena (Lillian Johnson 2-23-25)

Our chapter plant maven Grace Murayama identified the plant below as Tetragonia tetragonioides or New Zealand Spinach (or Warrigal greens), a prostrate, sprawling plant in the fig-marigold family (Aizoaceae) used as a leafy vegetable and native to Australia and New Zealand. We originally thought it was some sort of Salt Bush (or Saltbush), most likely Atriplex lentiformes var. breweri, Brewer’s Salt Bush. The underside of the leaf had tiny salt crystals on it. I wonder if it floated across the Pacific or did some sailor toss his salad overboard.

Probably genus Atriplex Salt Bush (Lillian Johnson 2-23-25)
View of west channel from the pavilion. (Lillian Johnson 2-23-25)

Orange-crowned Warblers can show up just about any month of the year.

Orange-crowned Warbler (Chris Tosdevin 2-23-25)

California Towhees seem to be permanent residents of the vegetated area around the lagoon, although we don’t always see them as they rarely perch high in a bush.

California Towhee (Chris Tosdevin 2-23-25)

The Osprey was on its favorite lagoon-adjacent electric pole at the back of Malibu Colony. Another was on the Adamson House flagpole across the lagoon. They were chirping at (or to) one another.

Osprey; watching for flying fish? (Chris Tosdevin 2-23-25)
PCH bridge, lagoon and Santa Monica Mountains burned by the mid-December Franklin fire; Serra Retreat Center just above the middle of the bridge. (Lillian Johnson 2-23-25)

The Belted Kingfisher often perches on the pipe supports on the PCH bridge, barely visible in the photo above. The bird’s cinnamon flanks are nearly the same shade of red as the pipe rust. Except for last month, there’s been a female Belted Kingfisher since last August; probably the same individual.

Female Belted Kingfisher (Chris Tosdevin 2-23-25)
Lesser Goldfinches among the golden flowers and leaves (Chris Tosdevin 2-23-25)

I haven’t keep track of this but I’d estimate that 25% of Glaucous-winged Gulls at the lagoon are actually “Olympic” Gulls, hybrid Glaucous-winged X Western Gull. The main difference is the darker wing-tips and tail. In first-year Glaucous-winged, these are the same pale color as the rest of the back and wings.

Hybrid Glaucous-winged X Western (aka “Olympic”) Gull (Chris Tosdevin 2-23-25)
Allen’s Hummingbird, male and female (Chris Tosdevin 2-23-25)

The sole male Red-breasted Merganser in the lagoon was looking especially plumy.

Red-breasted Merganser pair (Chris Tosdevin 2-23-25)
Cinnamon Teal pair, the male apparently blowing bubbles through its nostrils; something to do on a warm morning. (Chris Tosdevin 2-23-25)
Two Egrets (Chris Tosdevin 2-23-25)

It was altogether a very nice – albeit unofficial – day at the lagoon, so much so that most of us didn’t leave until it was almost noon.

Malibu Lagoon on eBird as of 2-28-25: 8446 lists, 2710 eBirders, 320 species
Most recent species added: Nelson’s Sparrow, 11/29/24 by Femi Faminu (SMBAS member).

Many, many thanks to photographers: Marie Barnidge-McIntyre, Lillian Johnson, & Chris Tosdevin.

Upcoming SMBAS scheduled field trips; no reservations or Covid card necessary unless specifically mentioned:

  • Sepulveda Basin, Sat. Mar 15, 8 am.
  • Malibu Lagoon, Sun. Mar 23, 8:30 (adults) & 10 am (parents & kids)
  • Ken Hahn Park Sat. Apr 12., 8am. (Proposed, not yet finalized)
  • These and any other trips we announce for the foreseeable future will depend upon expected status of the Covid/flu/etc. pandemic, not to mention landslides, at trip time. Any trip announced may be canceled shortly before trip date if it seems necessary. By now any other comments should be superfluous.
  • Link to Programs & Field Trip schedule.

The next SMBAS Zoom program: Belonging on an Island – Birds, Extinction, and Evolution in Hawai’i, with Daniel Lewis. Tuesday, 4 March, 7:30 p.m.,

The SMBAS 10 a.m. Parent’s & Kids Birdwalk will resume when we can again schedule official monthly walks. Reservations not necessary for families, but for groups (scouts, etc.), call Jean (213-522-0062).

Links: Unusual birds at Malibu Lagoon
9/23/02 Aerial photo of Malibu Lagoon
More recent aerial photo

Prior checklists:
2023: Jan-June, July-Dec 2024: Jan-June, July-Dec
2021: Jan-JulyJuly-Dec2022: Jan-June, July-Dec
2020: Jan-JulyJuly-Dec  2019: Jan-June, July-Dec  
2018: Jan-June, July-Dec  2017: Jan-June, July-Dec
2016: Jan-June, July-Dec  2015: Jan-May, July-Dec
2014: Jan-July,  July-Dec  2013: Jan-June, July-Dec
2012: Jan-June, July-Dec 2011: Jan-June, July-Dec
2010: Jan-June, July-Dec  2009: Jan-June, July-Dec

The 10-year comparison summaries created during the Lagoon Reconfiguration Project period, remain available—despite numerous complaints—on our Lagoon Project Bird Census Page. Very briefly summarized, the results unexpectedly indicate that avian species diversification and numbers improved slightly during the restoration period June’12-June’14.

Many thanks to Marie Barnidge-McIntyre, Femi Faminu, Lillian Johnson, & Chris Tosdevin for contributions made to this month’s census counts.

The species lists below was re-sequenced as of 12/31/24 to agree with the California Bird Records Committee Official California Checklist. If part of the right side of the chart below is hidden, there’s a slider button inconveniently located at the bottom end of the list. The numbers 1-9 left of the species names are keyed to the nine categories of birds at the bottom. Updated lagoon bird check lists can be downloaded here.
[Chuck Almdale]

Malibu Census 2024-259/2210/2711/2412/221/262/23
Temperature67-7564-6854-5956-6257-5957-70
Tide Lo/Hi HeightL+2.09H+4.75L+2.06L+2.47H+5.49H+4.79
 Tide Time061107421139093906340526
1Canada Goose     2
1Cinnamon Teal     5
1Northern Shoveler    6 
1Gadwall30382632899
1American Wigeon1131235  
1Mallard8281020226
1Green-winged Teal 4110516
1Ring-necked Duck4 3   
1Lesser Scaup    2 
1Surf Scoter   2 15
1Bufflehead  91023 
1Hooded Merganser 1    
1Red-breasted Merganser  1013128
1Ruddy Duck 2822353717
2Pied-billed Grebe5108547
2Eared Grebe 41 1 
2Western Grebe 28 13430
7Feral Pigeon144 65
7Mourning Dove11    
8Anna’s Hummingbird 21  3
8Allen’s Hummingbird421315
2Sora  2   
2American Coot7234056070579745
5Black Oystercatcher  22  
5Black-bellied Plover6713675503030
5Killdeer122013024
5Semipalmated Plover3     
5Snowy Plover4218342722
5Whimbrel2715485
5Marbled Godwit  122532
5Ruddy Turnstone346424
5Sanderling1520010022 
5Least Sandpiper34827714
5Western Sandpiper2    16
5Spotted Sandpiper1  111
5Willet535120158
5Greater Yellowlegs1     
6Heermann’s Gull247929271
6Ring-billed Gull21215191212
6Western Gull552765359055
6California Gull7544052560575105
6American Herring Gull  1112
6Glaucous-winged Gull     3
6Caspian Tern1     
6Royal Tern56 2 5
2Red-throated Loon     1
2Pacific Loon    1 
2Common Loon 2   4
2Brandt’s Cormorant 25 71
2Pelagic Cormorant 22  2
2Double-crested Cormorant545144235525
2Brown Pelican2430260352329
3Snowy Egret4105556
3Black-crowned Night-Heron1112  
3Green Heron211   
3Great Egret233112
3Great Blue Heron25441 
3White-faced Ibis3     
4Turkey Vulture7 1   
4Osprey 111 2
4Cooper’s Hawk     1
4Bald Eagle     1
4Red-shouldered Hawk1     
4Red-tailed Hawk21 1 1
8Belted Kingfisher1111 1
8Nuttall’s Woodpecker1    1
4American Kestrel 1    
8Nanday Parakeet25  4 4
9Cassin’s Kingbird 1    
9Black Phoebe246113
9Say’s Phoebe111  1
9Loggerhead Shrike 1    
9California Scrub-Jay2   1 
9American Crow86228926
9Common Raven 41  2
9Tree Swallow1 12   
9Barn Swallow1  1  
9Bushtit2030125045
9Wrentit41 211
9Ruby-crowned Kinglet113 11
9Blue-gray Gnatcatcher4 1  1
9Bewick’s Wren22211 
9Northern House Wren361   
9Marsh Wren21    
9Northern Mockingbird 111 1
9European Starling1012 7 1
9Western Bluebird 5   1
9Hermit Thrush  1   
9House Finch484689
9Lesser Goldfinch3 62 10
9Lark Sparrow1     
9Dark-eyed Junco212  1
9White-crowned Sparrow 16152087
9Savannah Sparrow1     
9Song Sparrow10586128
9California Towhee 32 23
9Spotted Towhee  1   
9Western Meadowlark15  1  
9Red-winged Blackbird11 12  
9Great-tailed Grackle141522  
9Orange-crowned Warbler212 11
9Common Yellowthroat578622
9Yellow Warbler1     
9Yellow-rumped Warbler 15151468
9Townsend’s Warbler2     
Totals Birds by TypeSepOctNovDecJanFeb
1Waterfowl431129315719678
2Water Birds – Other155469882769922144
3Herons, Egrets & Ibis1420141278
4Quail & Raptors1032205
5Shorebirds1421974042909286
6Gulls & Terns162564635119685183
7Doves254065
8Other Non-Passerines31538114
9Passerines1191361421505792
 Totals Birds by Type6781511217915071966615
        
 Total Species by GroupSepOctNovDecJanFeb
1Waterfowl468888
2Water Birds – Other498589
3Herons, Egrets & Ibis655432
4Quail & Raptors332204
5Shorebirds12810111010
6Gulls & Terns655657
7Doves221011
8Other Non-Passerines433315
9Passerines272424171420
Totals Species by Group686566565066


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