January-February 2008 Chaparral Naturalist - Pomona Valley Audubon Society

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Pomona Valley Audubon Societywww.pomonavalleyaudubon.org

A publication of

January/February 2008 a Chpt of th ntiol ado Socit Volm 47, no. 3

In thIs Issue...

Fall Migration in Oak Park Cemetary .............................Pg. 1

Tri-colored Blackbird Update ..........................................Pg. 2

Lost Luggage ....................................................................Pg. 4

Record Keeping ................................................................Pg. 5

Field Trips .........................................................................Pg. 6

Announcements & Potluck Recap ..................................Pg. 7

Upcoming Programs ........................................................Pg. 8

Fall Migration at

Oak Park Cemeteryby Rick ClementsHumans think of fall as the time when the mornings are

brisk and colorful leaves fall from treessometime in late

September in Claremont. For landbirds, fall migration begins

in mid-July (when Rufous Hummingbirds appear at nectar

sources) and continues through early November when the last

of the straggling warblers pass through. It is a long, protracted

process and a joy to birders. I spent seventy-seven mornings

from July 25 through the end of October studying the fall

migration at the Oak Park Cemetery in south Claremont. MikeSan Miguel Jr., who has birded the cemetery for several years

and whose keen eyes and ears added immeasurably to my

data, often joined me. Oak Park is a small, tranquil cemetery

set in a forest of majestic live oaks, stately sycamores and lerp-

laden eucalyptus. It is very attractive to migrating birds.

The Early Period--Late July and August

During this period, most of the action takes place in the

northwest portion of the cemetery where the biggest

concentration of eucalyptus trees occurs. It is then that these

trees provide the most food for insectivorous birds. Lerps, the

main food item, are the protective covers constructed by the

larvae of jumping plant lice and consist of sugars and amino

acids. The larva hides beneath the cover and the combination

of bug and lerp is an epicurean delight to birds.

This is the time when the rst of the southbound warblers

appeared. Orange-crowns and Wilsons came rst and were

the most numerous through the period. Nashvilles and Yellows

arrived around the August 8 and their daily numbers were

about 20 percent of the other two. Toward the end of August

we began to see small numbers of Black-throated Grays and

an early, resplendent Townsends, my favorite western warbler.

A Hermit Warbler spent seven days in the cemetery at the end

of the period. Empidonax ycatchers straggled through in

ones and twos during the latter part of August with Willows

outnumbering Pacic-slopes. One to three Western Wood-

Pewees were present most days. Occasionally a Phainopepla

(Cont'd. on page 3)

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2

Welcome New MembersWe extend a warm welcome to all new members. Subscribers to Audubon Magazine from our area are automatically

enrolled in our chapter and receive the Chaparral Naturalist at no additional charge. You are welcome to all our

events.

Chino: Gilbert Lopez

Claremont: Roy Anderson, Thelma Geller,

Eric Hauck, Jqanice Keber, Emerald Norman

Covina; Claudias Garden

Glendora: Larry Singer

La Verne: Bill Burton

Ontario: Pauline Pederson, Charles Marousek,

Jeannie Wright

Rancho Cucamonga: Linda Booth, Carol Zeigler

Upland: Grace Friedman, Calvin, Pullias, Christy

Porter, Mr. and Mrs. T.J. Vastine,

Walnut: James Cavanaugh

West Covina: Thomas Klein, John Oneill, Kimberly

Segal,Miller

I wanted to provide you and the Pomona Valley Audubon

Society Chapter with an update on the project to perform

a genetic survey of the

southern California TricolorBlackbird population. First,

we want to thank PVAS

again for the generous

donation of $1,230 last year

towards the project. Two

other Southern California

Audubon chapters have

also contributed donations

and the state Audubon

office is matching all

chapter donations, so that

we will have a total of$12,500 from Audubon for

this project.

We have been waiting for

the past 14 months for funding from the State of California

Department of Fish and Game (DFG) (approximately $25,000)

to achieve full funding for the project and allow it to be

initiated. DFG nally received their funding from the US

Fish and Wildlife Service last month and expects to now

fund our project.

So our objective will be to conduct field sampling of

populations this coming spring of 2008. We will be collecting

dead nestlings and also

mist-netting for adults.A key need will be the

identication of breeding

sites as they are discovered,

so that we will be able to

rapidly respond with survey

teams. We expect to put out

a call asking for assistance

in identifying sites as we

get logistics and details

nalized early in 2008.

In add i t ion to newsampling, we also will

be able to test samples

collected by Tom Paulek

(discarded nestlings) from

the 2006 nesting colony in western Riverside County. Tom

and Susan Nash were also able to collect samples from 15

nests in the San Diego County colony in 2007 after the

Tricolors left.

We will provide everyone with an update in the next couple

of weeks as soon as we get the state to spring the money for

the project.

Tri-colored Blackbird Updateby John P. Pollinger, Ph.D., Director, UCLA Conservation Genetrics Resource Center

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Fall Migration at Oak Oak Cemetary (Cont'd. from page 1)

3

or an Ash-throated Flycatcher put in an appearance. The

cemetery must not be on the southbound route of Warbling

Vireos since they were rather scarce in contrast to spring

when they are quite common. Toward the middle of the

month we saw a few Lazuli Buntings but most of them were

gone by the end of August.

This early period of the fall migration belonged to colorful

and easy-to-see tanagers, grosbeaks and orioles. Western

Tanagers and Black-headed Grosbeaks were already present

in substantial numbers when I began my survey on

the July 25. Their numbers grew gradu-ally until

by August 11, it was not uncommon to record

forty tanagers and twenty grosbeaks in a couple

hours of observation. These birds spent most

of their time high in the tall, eucalyptus.

Bullocks Orioles began to appear at the

end of July. Their numbers peaked atthe same time as the

tanagers and grosbeaks,

but they were rarely as

abundant. By August 20,

most of the Bullocks

had departed, but

stragglers persisted

through early September.

H o o d e d O r i o l e s

appeared sporadically

at the beginning and

end of August, and a peak inabundance coincided with the Bullocks.

Most of the Hooded were females or hatch

year males but on one memorable morning every

Hooded Oriole I saw was a striking, yellow and black

adult male.

The Mid-PeriodSeptember

During September we noticed a movement of birds away

from the eucalyptus and into the oaks and sycamores. Most

days there were small ocks of Vauxs Swift overhead and

most of the few Empids seen were Willow Flycatchers. Wood-

Pewees were present most mornings. A single Swainsons

Thrush was present for only two days, but White-breastedNuthatches and Mountain Chickadees were seen or heard

most days. We saw only five or six Warbling Vireos in

September. Nashville Warbler numbers increased slightly,

and by mid-month the Yellow Warblers were coming through

in waves. Both the Nashvilles and Yellows had largely passed

through by early October. By mid-month, Black-throated

Grays and Townsends Warblers had begun to arrive and we

saw three to six most days. A furtive MacGilivrays Warbler,

the only one of the fall, appeared on the rst of the month.

A single Yellow-rumped Warbler arrived on the eighth as a

precursor to the looming invasion. The rst Ruby-crowned

Kinglets arrived on the twenty-eighth to spend the winter.

The number of Wilsons Warblers peaked during Septemberwith a high count of twenty on September 10. Orange-

crowns occurred in fair numbers until mid-month when a

second wave of arrivals provided daily counts as high as

fty birds. Western Tanagers and Black-headed Grosbeaks

re-mained as the primary eucalyptus foragers. By mid-

month the Grosbeaks had passed through and the last of the

Tanagers was seen at the end of September. On the September

26, an advance guard of White-crowned

Sparrows arrived

the first of more than

one hundred that will

forage along the northernhedgerow and the eastern

and western fence lines.

The Late PeriodOctober

Insectivores still preferred the

oaks, but often at mid-day

warblers foraged in

the grass. It was

a grea t t ime to

see Townsends, Black-

throated Grays, Wilsons, Yellows, and

Rumps without having to pick them out

of the dense oak foliage. Most surprising

were two Hermit Warblers that showed

up on October 6 and stayed through October 25. One

morning I had three Townsends and the two Hermits

foraging in the grass in one binocular eld. Orange-crowns

began thinning out in October, but one or two will probably

overwinter. The plangent songs of the White-crowns could

be heard along the periphery of the cemetery, and a small

ock of Chipping Sparrows fed on the lawn in unpredictable

places.

Early in the month, American Robins and Northern Flickers

frequented the cemetery, and I often saw American andLawrences Goldnches and Pine Siskins ying over the

grounds. The rst of several Hermit Thrushes arrived in

mid-month and will overwinter here.

October is the month of hoped-for-surprises and 2007 did

not disappoint. On October 11, a very vocal Rose-breasted

Grosbeak passed through, and a Brown Creeper arrived

and will doubtless spend the winter. A Golden-crowned

(Cont'd. on page 4)

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4

Lost Luggage Slows MigrationBy George Gullible RolederAVIAN TIMES Travel Writer

The numbers are just in. This falls Pacic Flyway migrants

lost a total of 150,000 pieces of luggage. That should give

you birds pause before planning next years grand migration

adventure.

We do have a problem, admitted American Bald Eagle,

a Flyaway Airlines execubird. One reason for the problem,

according to Eagle, is the increased numbers of migrants using

the Pacic Flyway since the deregulation measures adopted by

top brass of global Tradeoff (TDoff). South-ying migrants

no longer need passports, so overwhelming numbers have

opted for the mild weather. Moreover, he added,

parcels have become bigger than can be taken aboard our

planes as carry-on, so our handlers have more check-in pieces

to keep track of.

Asked about attempts to reduce the staggering amount of

baggage mishandling, he said his desperate Flyaways is

requesting federal funds to install state-of-the-art scanning

machines for storing and directing luggage to proper

destinations.

He complained, however, that A bill hasnt come out of

the transportation committee yet, because some hawkish

legislators are objecting that such funds would constitute

a dangerous precedent. They insist that the offending

birds should learn from their risky practice of taking excess

preening equipment, instead of getting a bailout. Predictably,

others claim that its time for migration baggage handling

to be privatized, he lamented. It would provide an bvious

nest egg, with increased cost to travelers but no guarantee of

improved services, said Eagle.

In other words, dont count on the machines coming anytime

soon. In the meantime, here is a tip to avoid delayed baggage,

or even losing it altogether. Travel light. But if you must check

a bag or box, make sure you have removed tags from previous

migration ights.

Thats one oversight that can send your bag of combs and

favorite birdfood to Alaska instead of Honduras. And print

your new destination clearly. Remember that the birds who

have to read your tags may not be of the same feather as your

ock. Its a favorite job of immigrants, who may have trouble

reading your bill peck scribbles.

Other tips. Take your valuable 400 mm auto-focus lens aboard

in your fanny pack. Ladybirds, keep personal items such

as those ergonomically shaped Freshettes with you to cope

with strange toilets, in case your luggage doesnt arrive with

you. Those of you who have become digitally obsessed,

wait to rent bulky items such as bellytop computers until you

arrive south.

In the event of delayed luggage, you can pick up a green

courtesy travel phone and complain to Flyaway. Ask them to

deliver the missing pieces to the nest where you are staying.Most airlines have 48 hours to get them to you or pay a ne.

In the case of actual loss, try to collect the cost of the items.

You can send your complete loss information to Management

Of Lost Totes (MOLT), Nest 4900, Keck Ornothology

Center, Claremont, CA, nozip. One successful buff-bellied

hummingbird reported collecting and using such funds to buy

new preening tools in Belize.

Be a bully. Insist on your rights. Have a good ight!

Fall Migration (Cont'd. from page 3)Kinglet spent only one day at the cemetery in mid-

month. On the October 19, a banner day, a Gray-headed

Junco put in a one-day appearance, a Least Flycatcher

spent two days playing hard-to- see in the oaks, and

a very drab Cassins Vireo was present for two days.

A six-sparrow day occurred on the October 25 when

Vesper, Brewers, Fox and Golden-crowns joined the

Chipping and White-crowns. On the next day, a westernPalm Warbler was discovered in the morning but was

gone by afternoon. October of 2006 was also good for

vagrants and produced a Chestnut-sided Warbler, two

Black-and-White Warblers, a Blackpoll Warbler, a Clay-

colored Sparrow, a Gray Flycatcher and a Plumbeous

Vireo. So mark your calendars for October 2008. You

are guaranteed a pleasant morning. .

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January

Sunday, January 6 Beginners Bird Walk, Rancho

Santa Ana Botanic Garden, 8 a.m.

Wednesday, January 16 Prado County Park.Leader: Dan Gregory

Sunday, January 27 Bonelli Park Bird Walk.

Leader: Rod Higbie, 8 a.m.

February

Sunday, February 3 Beginners Bird Walk

Rancho Santa Ana Botanic Garden, 8 a.m.

Saturday & Sunday, February 9 & 10 Salton Sea

Weekend Dan Guthrie

Wednesday, February 13 Santa Fe Dam

7 a.m. departure from Claremont Memorial Park

Sunday, February 24 Bonelli Park Bird Walk.


March

Sunday, March 2 Beginners Bird Walk, Rancho


Wednesday, March 12 L.A. County Arboretum

7:30 a.m. Leader: Dan Gregory

Saturday, March 22 - Lake Perris, San Jacinto

Preserve. 7 a.m. Leader: TBA

Sunday, March 23 Bonelli Park Bird Walk.


PVAS WINTER/SPRINg fIEld TRIPS 2008

april

Sunday, April 6 Beginners Bird Walk, Rancho


Wednesday, April 9 The Living Desert Zoo &Gardens. Leader: 7 a.m.

Sunday, April 27 Bonelli Park Bird Walk. Leader:

Rod Higbie, 8 a.m.

Wednesday, April 30 Big Morongo Nature

Preserve. Leader: Dan Gregory 7 a.m.

departure from Claremont Memorial Park

May

Sunday, May 4 Beginners Bird Walk Rancho

Santa Ana Botanic Garden 8 a.m.

Saturday & Sunday, May 17-18 Kern River Valley

and Butterbredt Springs. Leader: Dan Guthrie.

Saturday, May 24 San Gabriel Mountains. 7 a.m.

Leader: TBA

Sunday, May 25 Bonelli Park Bird Walk. Leader:

Rod Higbie, 8 a.m.

One day and half day trips start at Memorial

Park, Indian Hill Blvd at 10th Street, Claremont.

Weekend trips usually meet at the destination

on Saturday morning. Bonelli Park trips meet at

park headquarters on Via Verde, just off the 57

freeway.

5

Record Keeping When Did YourWhite-crowns Arrive?

by Dan Guthrie

Despite Kimball Garretts regular admonitions to birders to keep

records of their sightings, I have been terrible at it. However, now

that global warming seems a real event, I wish I had been better forthe past years. Remember Crip the thrasher? This was a story about

a brown thrasher with a damaged wing that showed up in a birders

back yard for several years in a row. This kind of event and many

others like it show us that migratory birds are very faithful to their

wintering areas. Your back yard white-crowns are probably some of

the same birds that you had last year (if the Coopers hawk didnt get

them). Your record keeping as to when the rst white-crowns appear, or the rst yellow-rump, tell whether these individual

birds are migrating earlier, later, or at the same time. Over the years, this sort of record keeping presents a very good picture

of how climate change might be affecting our bird popuations.

Rick Clements in this issue presents a picture of migration at our local Oak Park Cemetery. Keeping records, for many years,

in local areas such as this, even at your back yard feeder, is very valuable. So keep a notebook handy and start, if you haventbeen doing so, keeping records of arrivals, departures, and numbers. Its useful!

JANFEB08.indd 5 12/21/07 5:


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Field Trips

Sunday, January 6, 2008Beginners Bird Walk,Rancho Santa Ana Botanic GardenJoin us for our monthly (rst Sunday, Sept. through June)

bird walk at the Rancho Santa Ana Botanic Gardens. Bring

binoculars if you have them. Adults and children welcome.

The walk is at and slow and takes about two hours. Meet

at 8:00 a.m. at the front entry gate (north end of College Ave.

north of Foothill Blvd. 1500 N. College Ave.) Leaders: Fraser

Pemberton 909-624-6451.

Saturday, January 12, 2008Orange County Hot Spots

A trip for wintering ducks and shorebirds and any raritiesfrom the Christmas Censuses, such as eastern warblers. Bring

a lunch and meet at Memorial Park at 7:00 a.m. Leader: Dan

Guthrie 909-607-2836

Wednesday, January 16, 2008Prado County ParkA half day trip for wintering ducks and raptors. Meet at

Memorial Park at 7:30 am. Leader: Dan Gregory 909-

944-2259.

Sunday, January 27, 2008Bonelli Park Monthly HikeJoin our monthly walk (4th Sunday, about 2 hours) at Bonelli

Park. Meet at the Bonelli Park headquarters on Via Verde

near the 57 freeway at 8 a.m. Leader: Rod Higbie

Sunday, February 3, 2008Beginners Bird Walk,Rancho Santa Ana Botanic GardenJoin us for our monthly (rst Sunday, Sept. through June)

bird walk at the Rancho Santa Ana Botanic Gardens. Bringbinoculars if you have them. Adults and children welcome.




Pemberton 909-624-6451.

Saturday & Sunday,February 9 & 10, 2008Salton Sea WeekendJoin us for a weekend of Salton Sea specialties. We will

meet at 8 am at the Wister Unit headquarters on Hwy 111 on

Saturday and spend the night in Brawley. Sunday morning we

will continue birding, leaving the sea about noon. We should

see thousands of snow geese and hopefully some rarities such

as longspur and mountain plover. Contact me for information

about motels. Leader: Dan Guthrie 909-607-2836

Wednesday, February13, 2008Santa Fe Dam

A trip for wintering sparrows, geese, and perhaps an oddycatcher or two. Meet at 7 am at Memorial park for a half

day trip. Leader: Dan Gregory 909-944-2259.

Sunday, February 24, 2008Bonelli Park Monthly HikeJoin our monthly walk (4th Sunday, about 2 hours) at Bonelli

Park. Meet at the Bonelli Park headquarters on Via Verde

near the 57 freeway at 8 a.m. Leader: Rod Higbie

Sunday, March 2, 2008Beginners Bird Walk,Rancho Santa Ana Botanic GardenJoin us for our monthly (rst Sunday, Sept. through June)

bird walk at the Rancho Santa Ana Botanic Gardens. Bring

binoculars if you have them. Adults and children welcome.




Pemberton 909-624-6451.

Wednesday, March 12, 2008L.A. County ArboretumSearch for the elusive bulbul and other wintering passerines

and wood duck. Meet at Memorial park at 7;30 for a half day

trip. Leader: Dan Gregory 909-944-2259.

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PVAS OffICERS 2007-2008

President.Dan.Guthrie.909-607-2836Vice-President.Bruce.Strang. 626-339-6984Secretary.Pam.Kling.909-596-7604.Treasurer.Neil.Gilbert. 909-626-0334.Board.Member..Nancy.Strang.626-339-6984Board.Member.Dick.Moore. 909-626-1127.Board.Member.Pat.Higbie. 909-599-6526.Board.Member.Rod.Higbie. 909-599-6526

COMMITTEE CHAIRS

Conservation.Dick.Moore. 909-626-1127Education.Dan.Guthrie.909-607-2836Field.Trips.Dan.Guthrie.909-607-2836Membership.Dan.Guthrie.909-607-2836Volunteers.Open!...Publications.Neil.Gilbert.909-626-0334Publicity.Shirley.Harris.909-982-9727Door.Prizes.Karlene.Campo. 909-627-8191Hospitality.Gloria.Slosberg.909-626-4754.Website.Open!..

CHAPARRAl NATURAlIST

Editor.Pam.Kling.596-7604

TheChaparral Naturalist.is.published.bimonthly,.except.July.and.August.by.the.Pomona.Valley.Audubon.Society..Copy.deadline.is.the.last.Thursday.of.the.month..Articles.may.be.reprinted.without.permission,.but.please.give.credit.to.the.author.and.the.Chaparral Naturalist.We.encourage.members.to.submit.articles.and.photos.by.email.at.pamtone@verizon.net

Subscriptions.to.the.newsletter.are.available.for.$10.per.year.to.non-members..Make checkspayable to PVAS and mail to W. M. Keck

Science Center, 925 N. Mills Ave., Claremont,CA 91711.

Name__________________________________________

Address________________________________________

City, State, Zip___________________________________Chapter Code: Pomona Valley Audubon CO8, 7XCHYou may also join National Audubon via our website at:

http://www.ca.audubon.org/chapters.html/

National Audubon MembershipAnnual membership in the National Audubon Society is$30 per year. New membership dues are $20. Membersreceive the Audubon Magazine and Chaparral Naturalistnewsletter. Renewals of membership are computerized byNational Audubon and should not be sent to PVAS. How-ever, a new membership may be sent directly to PVAS.

Make checks payable to National Audubon Society. Mailpayment with membership form below and mail to PVAS,W. M. Keck Science Center, 925 North Mills Avenue,

Claremont, CA 91711. (Please note chapter code number,CO8, 7XCH on your check.)

7

A bird watching vacation for beginners to experts, fromleisurely strolls to active hikes. Bird for a few hours, or allday from the dawn chorus to the evening owl prowl. Wewill wake you with coffee, nourish you with locally grownorganic food, and celebrate a traditional salmon bake.

Enjoy the show from guided birding trips, boat tours,salmon banquet, and many other presentations. Ourfestival has a full slate of extraordinary offerings awaitingyou.

New this year! Stay on for a three-day, two-nightbirding/sightseeing cruise of the San Juan Islands.

Program information and registration can befound at www.olympicbirdfest.org

The PVAS Annual Potluck Dinner was held at theAlexander Hughes Center in Claremont on Friday,

June 1, 2007. Fifty-eight members and guests enjoyed

the fun event that featured a delicious buffet dinner, the

Flock Leader Award announcement, a great slide-show

presented by some of our members and our famous

Silent Auction.

The recipient of the 2007 Flock Leader Award is Pam

Kling, our chapters dedicated secretary and newsletter

editor. Congratulations to Pam on this well-deserved

honor.

The Silent Auction tables displayed a variety of

treasures that sparked many bidding battles! As

Auction Coordinator, Karlene Campo puts in a lot of

time and effort in preparation for this event. Because of

her hard work and the generosity of the item donors and

winning bidders, this was by far our most successful

auction to date!

Another great job this year by Gloria Slosberg and her

helpers, who decorated the dining tables and arranged

for the lovely door prizes that were won by several

lucky diners.

Thanks to many members, including Sharon Easterling,

Dawn Hutchinson, Ed Babcock, Gene & Lois Stelzer,

Hank Feilen, Pam Kling, Dan Guthrie, Susan Green,

Jim Herman, Neil Gilbert and Bruce & Nancy Strang

for helping to make this a wonderful evening.

We hope to see all of you at next years Annual Potluck

Dinner!

Olympic Birdfest 2008April 4-6, 2008 - Sequim, Washington

Annual Potluck Recapby Bruce Strang

JANFEB08.indd 7 12/21/07 5:


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Membership Meetings

PomonaValleyAudubonSocietyW.M.KeckScienceCenter925NorthMillsAvenueClaremont,CA91711

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New

Date!

Thursday, January 10, 2008

Tim Anderson

"Los Cerritos

Wetlands"This is an area ear wherethe San Gabriel Riverenters Long Beach Har- bor. The Los CerritosWetlands Trust is trying tosave this area and restore it and Tim will show us its wildifevalues and discuss the campaign for its preservation. Youmight check a Los Angeles Times article at www.latimes.

com/news/local/la-me-marshes29jul29,0,1814334.story?colland the Cerritos Wetlands webpage www.lcwlandtrust.org/news.htm for more information.

Meetings are held in Bauer Forum of Claremont

McKenna College. Evenings begin with a bird

identification session at 7:00 p.m., followed by

refreshments, a short business meeting, and our

evening program.

Thursday, February 7, 2008

Taldi Walter

"Arctic National

Wildlife Refuge"Taldi Walter is the Alaska

Field Coordinator for

Audubon will present a

program on the refuge, its

wildlife, and the threats

facing the area. This should be an excellent introduction

to one of the best remaining wilderness areas in the United

States and to one of Audubons major conservation efforts.

Thursday, March 6, 2008

Tom Ryan

"The Status ofthe Tern andSnowy PloverColonies"One of our former residents

who grew up in Pomona

Valley Audubon and is now a biological consultant, Tom

will present a program on the Tern and snowy plover colonies

that he has been monitoring in our area. This should be a

good introduction to our efforts within urban Los Angelesto deal with the conicts on beach use.

January-February 2008 Chaparral Naturalist - Pomona Valley Audubon Society

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Transcript of January-February 2008 Chaparral Naturalist - Pomona Valley Audubon Society