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A (whispered) warning…

August 31, 2014
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Passenger_Pigeon_(Columba_Migratoria) [By Toronto Public Library [CC-BY-SA-2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons]

Passenger_Pigeon_(Columba_Migratoria) [By Toronto Public Library [CC-BY-SA-2.0 (http://creativecommons.org/licenses/by-sa/2.0)%5D, via Wikimedia Commons]

If you saw the Sunday NY Times article today, you’ve seen that a major study on the effects of climate change on North American bird populations is about to be released. National Audubon’s scientists have been working on this for a couple of years and it is a a study that uses a large number of long-established data collections in creating a GIS-based model that projects the areas, odds, and probabilities of survival of a large number of species. There are a number of major surprises in this study. Look for headlines in your paper and on the web in the next two weeks!

If you can’t wait, go to:  http://www.nytimes.com/2014/08/31/opinion/sunday/saving-our-birds.html
If that doesn’t work, try HERE.

LucienP

Quick! I don’t know how long this offer lasts

August 31, 2014
by

The developers who promote, polish and prepare the Audubon Apps for those who have smart phones, iPads, and other such devices, are having a Labor Day weekend sale at 99cents per app. these are not “the definitive” bird app nor The Illustrator’s best. They are very good, recent, photo-illustrated apps. Much better than the last edition extant of the Audubon (photo-illustrated) book versions. I like them better than iBird Pro. In addition, I’ve found they have a good library of sound recordings, especially since they welcome additions from the public. So, you’ve already paid $15-$30 for the Sibley and/or the NationalGeo apps, but this is definitely worth the price for the very specific California Birds, the Trees, the Butterflies…how about the Flowers? Spoil yourself to all four! We’ll compare notes in the field!

Use this link: (copy and paste in your browser)

http://links.greenmountain.mkt4800.com/servlet/MailView?ms=OTM0NDQ1NgS2&r=MTczNTk5MDMwMDcS1&j=MzYyODIwNDg0S0&mt=1&rt=0

LucienP

Bird Camouflage – Films, games & Links

August 30, 2014
by

FIND THE BIRD!

Taken at McGee Marsh, Ohio (L. Johnson 5-7-14)

Taken at McGee Marsh, Ohio (L. Johnson 5-7-14)

When other animals think of you as food, it’s good to be hard to see.
When you’re a ground-nesting bird, it’s essential.
The above photo contains one bird.

Often you don’t see the bird until you’re about to step on it and it flushes. The Killdeer nesting by Malibu Lagoon run away, pretending they have a broken wing. Mallards will leap up out of the brush, only to land close by, waiting for you to leave. I unexpectedly flushed a Sooty Grouse in Yosemite National Park; exploding from the ground, it nearly gave me a heart attack, then much to my delight landed in a nearby tree.

To learn something about camouflage, why animals use it and how it works, go here.
It’s a 13 1/2 minute film from Aaran Frood of the Biotechnology and Biological Sciences Research Council (BBSRC) and provides a visual context for their animal camouflage research. The BBSRC is experimenting by sending cameras to some of their BBSRC-funded researchers so they can record their experiences while pursuing research in the field — gnarly roads, bush fires, biting insects, boomslangs and all! The purpose for this project is “to bring the viewer closer to the action, and so the public paying for the research can see some of the nuances of how it’s really done and what they’re up to”, writes Mr Frood in email.

It's on a nest.  McGee Marsh, Ohio (L. Johnson 5-7-14)

It’s on a nest. McGee Marsh, Ohio (L. Johnson 5-7-14)

GRRLSCIENTIST, hosted by The Guardian but frequently found elsewhere, writes on many topics, including birds. Her 8/27/14 article, Eggcellent citizen science: evolution of camouflage in bird eggs reports on “how an online video game relies on citizen scientists to test the evolution of avian egg camouflage colours and patterns.”

Links to the games are found within her article via the name “hidden nightjars.” Read the article.
If you want to go directly to the games, they’re at the Project Nightjar website.

If you couldn’t find the bird, here’s an even closer view.
[Chuck Almdale]

 American Woodcock nesting next to the  McGee Marsh parking lot in Ohio (L. Johnson 5-7-14)

American Woodcock nesting next to the parking lot at McGee Marsh, Ohio
(L. Johnson 5-7-14)

 

 

Malibu Lagoon Trip Report: 24 August, 2014

August 29, 2014

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At the corner of the topographical water feature, a Black Widow Spider (R. Ehler 8/24/14)

At the corner of the topographical water feature, a Black Widow Spider (R. Ehler 8/24/14)

 The big news today, and for the week that followed, was surf. Hurricane Maria off the south end of Baja sent up some record-breaking surf, and surfers blanketed the waves. Later in the week, as the surf grew, we saw surfers shooting between pier pilings, surfers flung into the air and under waves, 30-ft. waves at the Newport wedge, exhausted and frightened surfers and swimmers, hundreds of rescues, and at least one drowning. This human frenzy didn’t seem to bother the birds.

The returning shorebirds were numerous and busy; it was the passerines that were tough to find. Perhaps the heat of the past few weeks had sent them off to hidden shady glens. Fewer species and fewer of each species was the result.

The Snowy Plovers grew in numbers, now up to 39 birds with one ringed bird. GG:AR (left leg green over green; right leg aqua over red), our spy up at Point Blue (formerly Point Reyes Bird Observatory or PRBO) informs us, was one of three identically birds banded at Oceano Dunes in the summer of 2011. Lu Plauzoles pointed out that a lot of our banded birds of recent years are from Oceano Dunes, so they must be doing something right. I checked my records and discovered that GG:AR has wintered previously at Malibu, and we’ve seen him on the following dates: 2011 – 9/25, 12/25; 2012 – 1/22, 11/25; 2013 – 1/27, 7/28, 10/27. He (or she) may well have appeared on other dates, but if no one told me (hint, hint) I won’t have that record. The plover family was well represented. Black-bellied (Gray for our British readers), some of them still quite black; Killdeer, a local nester; and Semipalmated. Listening to birders argue about “just how much webbing do these bird actually have” is always a treat.

Snowy Plovers feed in the beach wrack (R. Ehler 8/24/14)

Snowy Plovers feed in the beach wrack (R. Ehler 8/24/14)

[Late Breaking News] Bill Crowe of Simi Valley reported seeing “at least 100 Snowy Plovers” at Malibu Lagoon, the following Sunday, Aug. 31, including GG:AR. The highest Snowy Plover count we’ve ever recorded on our monthly birdwalks was 81 birds on 1/22/12.

Birds new for the season were: Western Grebe, Marbled Godwit, Black Turnstone, Sanderling, and Wrentit. Lu thought the Wrentit (at Adamson house), a hillside chaparral-loving bird uncommon at the lagoon, may have fled the dry slopes in search of water.

Black Turnstones generally prefer rocky shores (R. Ehler 8/24/14)

Black Turnstones generally prefer rocky shores (R. Ehler 8/24/14)

Our next three scheduled field trips:   Lower Los Angeles River, 6 Sep, 7:30am; Coastal Cleanup, 20 Sep, 9am–noon; Malibu Lagoon, 28 Sep, 8:30 & 10am.
Our next program: Tuesday, 7 Oct., 7:30 pm. Black-backed Woodpeckers and the Ecology of Forest Fires, presented by Dale Hanson.

Lesser Goldfinches - breeding season is definitely over (R. Ehler 8/24/14)

Lesser Goldfinches – breeding season is definitely over (R. Ehler 8/24/14)

NOTE: Our 10 a.m. Parent’s & Kids Birdwalk meets at the shaded viewing area. Watch for Willie the Weasel.
Links: Unusual birds at Malibu Lagoon
Aerial photo of Malibu Lagoon from 9/23/02.
Prior checklists:
2014:   Jan-July

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 project period remain available on our Lagoon Project Bird Census Page. Very briefly summarized, the results unexpectedly indicate that avian species diversification and numbers improved slightly during the period Jun’12-June’14.   [Chuck Almdale]

Malibu Census 2014 5/25 6/22 7/27 8/24
Temperature 64-69 68-74 66-72 72-80
Tide Lo/Hi Height H+3.94 H+3.48 H+4.21 H+4.52
Tide Time 0810 0712 1100 0954
Gadwall 12 21 2
American Wigeon 2
Mallard 26 32 55 12
Red-brstd Merganser 3 2 3 2
Ruddy Duck 6
Pacific Loon 1
Common Loon 1
Pied-billed Grebe 2 1 6 6
Western Grebe 1
Brandt’s Cormorant 2 1 4 2
Dble-crstd Cormorant 31 37 35 58
Pelagic Cormorant 1 1 1
Brown Pelican 37 63 78 29
Great Blue Heron 4 2 4 4
Great Egret 2 2 4 3
Snowy Egret 12 10 22 12
Little Blue Egret 1
Blk-crwnd N-Heron 2 1 1 4
Osprey 1 1 1
White-tailed Kite 1
Red-tailed Hawk 1 1
American Coot 2 4 14 9
Blk-bellied Plover 25 93
Snowy Plover 16 39
Semipalmated Plover 1 3
Killdeer 4 10 8 5
Spotted Sandpiper 3 1 5
Willet 1 5 14
Whimbrel 4 5 28 17
Marbled Godwit 1
Ruddy Turnstone 2 9
Black Turnstone 3
Sanderling 2
Western Sandpiper 1 1
Least Sandpiper 3 6
Boneparte’s Gull 1
Heermann’s Gull 2 4 8 10
Western Gull 64 57 71 89
California Gull 1 1
Least Tern 3 2
Caspian Tern 17 3
Common Tern 1
Forster’s Tern 2
Royal Tern 8 18 11 6
Elegant Tern 37 23 127 4
Rock Pigeon 6 6 16 5
Mourning Dove 2 2 2 1
Anna’s Hummingbird 1 2 2 1
Allen’s Hummingbird 5 4 3 4
Western Wood-Pewee 1
Pac.Slope Flycatcher 1
Black Phoebe 6 3 11 9
American Crow 6 9 4 4
Rough-wingd Swallow 2 8 7 15
Barn Swallow 19 40 35 45
Cliff Swallow 6 10 7
Bushtit 8 2 7
American Robin 1 2
Wrentit 1
Northern Mockingbird 3 3 6 9
European Starling 8 12 22 55
Phainopepla 1
Ornge-crwnd Warbler 1
Common Yellowthroat 3 1 3
Spotted Towhee 2
California Towhee 3 3 3 3
Song Sparrow 11 10 11 8
Red-winged Blackbird 6 30 8
Great-tailed Grackle 2 4 16 6
Brwn-headed Cowbird 2 2
Hooded Oriole 2 1
House Finch 13 11 14 8
Lesser Goldfinch 2 2 4 6
Totals by Type May Jun July Aug
Waterfowl 49 55 58 16
Water Birds-Other 77 106 138 106
Herons, Egrets 20 15 32 23
Raptors 3 1 1 1
Shorebirds 11 16 90 198
Gulls & Terns 132 106 221 111
Doves 8 8 18 6
Other Non-Pass. 6 6 5 5
Passerines 104 152 161 172
Totals Birds 410 465 724 638
         
Total Species May Jun July Aug
Waterfowl 5 3 2 3
Water Birds-Other 8 5 6 7
Herons, Egrets 4 4 5 4
Raptors 3 1 1 1
Shorebirds 3 3 10 13
Gulls & Terns 8 6 6 5
Doves 2 2 2 2
Other Non-Pass. 2 2 2 2
Passerines 20 17 18 13
Totals Species – 73 55 43 52 50

New Blog Page – Bird ID Tip Sheets, Check Lists & Other Goodies

August 26, 2014
by

We have a new blog page, called BIRDING INFO. PAGES.
It’s not actually new, just unannounced until we stocked it with some items.
This is a collection of PDF files which you can click, print, and take into the field to help you with pesky identifications problems.  Many thanks to several birders – Wanda Dameron, primarily – who put this information together. We hope birders will find them useful and are willing to send us items of  similarly useful  nature. Many documents are a half page – easily tucked into your field guide.

It’s with our other blog pages, located just below the masthead Snowy Plover picture. Take a look. Print them out. Comments, corrections and additional submissions welcome.
[Chuck Almdale]

BIRD IDENTIFICATION DOCUMENTS
Dowitchers – non-breeding
Flycatchers – Empidonax of Southern California
Gulls of Southern California 2 sheets
Hummingbird Females of Arizona
Hummingbird Females of California & Arizona
Longspurs
Loons in Winter
Thrashers
Thrushes
Warblers – Western

CHECK LISTS
California Bird List @ July’14
Los Angeles County Bird List Scientific Sequence
Los Angeles County Bird List by Habitat

OTHER DOCUMENTS
Bird Songs – Phonetic Mnemonics
CA Rare Bird Synopsis (Feb’12) of Date & Locations
How to Use Binoculars
L.A. County Birds – Potential New Species K.Garrett Nov’13
Shorebird arrival dates for June in SoCal
Snowy Plover- Protection Rules & Guidelines

QUICK INDEXES TO FIELD GUIDES
Sibley Quick Index Alphabetical for 2014 2nd Edition
Sibley Quick Index by Habitat for 2014 2nd Edition
Shorebirds Quick Index for ABA – Birds Hayman, Marchant & Prater 1986