Date: 3/16/23 6:43 pm
From: Ryan Winkleman <rswinkleman...>
Subject: [OrangeCountyBirding] Orange County RBA: March 16, 2023
A very happy (early) St. Patrick's Day to all of you, especially those of
us who share Irish heritage 😊☘️🇮🇪


* California
* Orange County
* March 16, 2023
* CAOC23.03.16

This is the Orange County, CA weekly Rare Bird Alert (RBA) and local events
summary. California Bird Records Committee (CBRC) review species are
capitalized and marked with asterisks below. All documentation of review
species should be forwarded to the CBRC secretary, Tom Benson, at


Black Scoter
Bald Eagle
Lewis’s Woodpecker
Hammond’s Flycatcher
Brown Creeper
Mountain Bluebird
Townsend's Solitaire
Clay-colored Sparrow
White-throated Sparrow
Swamp Sparrow
Green-tailed Towhee
Baltimore Oriole
Black-and-White Warbler
Tennessee Warbler
American Redstart
Northern Parula
Blackburnian Warbler
Chestnut-sided Warbler
Rose-breasted Grosbeak

Two BLACK SCOTERS were seen floating offshore from the Santa Ana River
Mouth on March 14.

A BALD EAGLE continued at Upper Newport Bay Ecological Reserve in Newport
Beach this week.

A LEWIS’S WOODPECKER continued at Irvine Regional Park in Orange around
Parking Lot Q through March 12.

A HAMMOND'S FLYCATCHER continued at Gilman Park in Fullerton through March
13, with another bird apparently continuing in the riparian vegetation in
Horno Creek in Ladera Ranch on March 9.

A BROWN CREEPER continued in residential Laguna Niguel on March 10, while
another continued at Huntington Central Park in Huntington Beach on March

MOUNTAIN BLUEBIRDS continued in the grasslands at Fairview Park in Costa
Mesa as well as in the field near the parking lot of the Muth Center at
Upper Newport Bay in Newport Beach.

A TOWNSEND’S SOLITAIRE continued along the railroad tracks west of
Chrisanta Drive in Mission Viejo through March 14. Another was found in
Dove Canyon on March 12.

A VARIED THRUSH continued around Lots L and M at Irvine Regional Park in
Orange through March 2.

A CLAY-COLORED SPARROW continued at Clark Regional Park in Buena Park
through March 14.

A WHITE-THROATED SPARROW continued along the Salt Creek Trail in Laguna
Niguel on March 15.

A SWAMP SPARROW continued around the island at Huntington Central Park in
Huntington Beach through March 15.

A GREEN-TAILED TOWHEE continued between Lots L and M at Irvine Regional
Park in Orange through March 12.

A BALTIMORE ORIOLE presumably continued at Mile Square Regional Park in
Fountain Valley on March 16.

A BLACK-AND-WHITE WARBLER continued at Aurora Park in Mission Viejo through
March 9.

A TENNESSEE WARBLER was found in the trees at the parking lot by the water
treatment plant at Laguna Niguel Regional Park in Laguna Niguel on March 12.

An AMERICAN REDSTART continued at Laguna Niguel Regional Park in Laguna
Niguel through March 15 in the vicinity of the water treatment plant, with
another continuing at Huntington Central Park in Huntington Beach behind
the amphitheater through March 16.

A NORTHERN PARULA continued at Del Obispo Park in Dana Point on March 13.

A BLACKBURNIAN WARBLER was in the West Coyote Hills Tree Park in Fullerton
between March 8 and March 16, generally in the vicinity of the oaks behind
a house with a brown and white deck off of the Rosecrans Trail from Parks
Road (immediately north of Avenida del Norte).

A CHESTNUT-SIDED WARBLER continued in Irvine in the vegetation just east of
the Costco Tire Center, behind the air stations, through March 12.

An immature ROSE-BREASTED GROSBEAK continued at Gilman Park in Fullerton on
March 13, with another immature male continuing at Mason Regional Park in
Irvine on March 13 just east of the park entrance.


For a complete up-to-date list of current field trips, please visit the
webpage on Sea and Sage’s website:

The next Carbon Canyon Regional Park bird walk will take place on March 19
from 8:00am to 12:00pm.

The next Upper Newport Bay bird walk will take place on March 26 from
8:00am to 11:00am.

A bird walk will take place at Caspers Wilderness Park on March 31 from
8:00am to 11:00am.


None just yet but an advanced shorebirds class is planned for this spring,
potentially starting in April although nothing is set in concrete yet.


The Orange County RBA and events summary is produced weekly by Ryan
Winkleman and Jeff Bray in collaboration with Doug Willick. Sightings of
rare birds can be posted to the OrangeCountyBirding listserv, emailed
directly to Jeff Bray (<jbray3928...>) and/or Ryan Winkleman (
<rswinkleman...>), and/or submitted to eBird ( Any supporting details (descriptions,
photos, audio recordings, etc.) of rare sightings that are not already
disclosed on the listserv or on eBird should also be emailed to Ryan
Winkleman separately for consideration to be mentioned in the current
quarterly report for North American Birds.

Those sightings that are included in this summary generally include those
that are considered rare (regionally or seasonally) for Orange County based
on "The Birds of Orange County: Status and Distribution" (Hamilton and
Willick), "Birds of Southern California" (Garrett and Dunn), and/or more
contemporary changes in local or regional status and distribution. Rarities
that regularly or seasonally occur at a particular location, such as
annually wintering rarities on Seal Beach National Wildlife Refuge, may or
may not be included in this digest, but reports of these same species
occurring at other, atypical locations throughout the county may be
included. We don't include hybrids, subspecies, introduced or exotic birds,
or in most cases and for no real reason, geese. All bird reports are vetted
to the extent possible prior to each publication, but in the interest of
sharing information, the accuracy of any given report cannot always be
guaranteed, nor can the presence of any given bird for those who choose to
chase after them.

Information on upcoming local events is taken largely from the Sea and Sage
Audubon website ( Sea and Sage Audubon
is based out of the Audubon House at the San Joaquin Wildlife Sanctuary in
Irvine. They sponsor a number of public field trips, special birding
events, conservation lectures, and social gatherings throughout the year.
Information regarding upcoming local events should be considered accurate
at the time of this posting. However, for the most current information
please refer to the field trip list on the Sea and Sage Audubon website at It is
also recommended that you refer to that website immediately prior to
engaging in any field trip to confirm that trips are still occurring. If
you know of additional upcoming events that are not sponsored directly by
Sea and Sage Audubon, please email Ryan Winkleman and/or Jeff Bray for
inclusion. #RBA

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