Observer Roster

The Regional Observation Periods for 2023

March 3–5 (Friday–Sunday)

March 18–20 (Saturday–Monday)

Mar 31–Apr 2  (Friday–Sunday)

May 6–May 8  (Saturday–Monday)

June 2–4   (Friday–Sunday)

June 17–19 (Saturday–Monday)

For more information:

Emiko Condeso

Ecologist/GIS Specialist

Cypress Grove Research Center

[email protected]

List of Volunteer Site Coordinators and Observers

2022 Season
Last update: 3/15/2022

The observer in bold is the Site Coordinator. Please check for your name and let Emiko know ASAP if you have concerns about your assignment. Note that only sites with volunteer observers are listed below.  For a complete picture of the sites we monitor, see the Map of the Heronries.

 Site Name (Site Number)
Alcatraz Island (70) San Francisco Brianne Brussee (BCNH, SNEG), Lidia D’amico (GBHE),  Ana Arce (GBHE)
Bel Marin Keys (128) Marin Janet Bodle, Ruth Friedman, Melissa Witte
Bel Canyon Reservoir (3) Napa Greg Reynor
Benicia Bridge (177) Contra Costa Judith Dunham, Elizabeth Sojourner, Alex Cho
Berryessa Pines (168) Napa John Ehrenfeld
Berryessa Resort (175) and other historical sites Napa Kris Hirschbeck
Bodega Bay Flat Road (5) Marin Ann Cassidy, Lauren Hammack
Campbell Ranch northwest (8), Campbell Ranch southeast (8.1) Solano Robin Keister
Chalk Hill Road (9) Sonoma Conner Cimmiyotti
Chiles Creek north (63.1) Napa Nancy Abreu
Cloverdale, River Road (11.2) Sonoma Janet Bosshard, Pam Browning
Congress Valley (68.1), and Congress Valley old site (68) Napa Emiko Condeso, Camrie Mills, Susan Calcagno, Kyra Ortiz
Cypress Road (160) Marin Barbara Wechsberg, Ron Mallory, Susie Graven
Cypress Road South (160.1) Marin Barbara Wechsberg, Ron Mallory, Susie Graven
Delta Pond sites (90 and 90.1) Sonoma Carolyn Greene, Erika Hoytt
DeSilva Island (15) Marin Ron Brown, Stephanie Romano, Sasha Vitomski
Dover Park (162) Solano Ron Brown, Robin Keister, Alan Moore
Drakes Estero (94) Marin Scott Jennings
Fitch Mountain North  (31.1) Sonoma Kaitlin Magoon
Gold Hill (29) Solano Tom Slyker, Cheryl Reynolds, Ann Romer
Hagen Road (30) Napa Penny Proteau, Wendy Cole
Keel Court (179) Marin Luanna Helfman, Nina Sullivan
Lake Herman (154) Solano Wally Neville
Lake Nicasio (47), Lake Nicasio North (47.1) Marin Ann Linder, Bob Battagin
Mare Island Sites (73, 73.2, 73.3, 73.4, 73.5, 73.6, 73.7, 73.8, 135, 161) Solano Wally Neville, Robin Leong
Oddfellows (145) Sonoma Lucy Kenyon
Petaluma Wastewater Plant (40) Sonoma Len Nelson, Linda Sheppard
Pope Valley 2 (89) Napa Phil Burton
Raccoon Straits (117), Raccoon Straits Ridge (117.1) Marin Patti Blumin, Sylvie Silverstein
Riverfront Park (110) Sonoma Kaitlin Magoon, Bill Bridges
Sand Point Sites (50, 50.1, 50.2, 50.3) Marin Ellen Blustein, Shana Katzman
San Pablo Dam east (51), San Pablo Dam west and north (51.1) Contra Costa Phoebe Tanner, Julie Roemer, Lorna Cogen
Seminary (149) Marin Ron Brown
Shuey Drive (176) Contra Costa Judith Dunham
Skaggs Island Eucalyptus (116), Skaggs Island sewage pond (112) Napa Meg Mariott
South Kelly (129) Napa Tom Slyker
Tree Farm(137) Marin Tom Baty
Via Palo Linda (107.1) Solano Joanna Castaneda
W. 9th Street, Santa Rosa Sonoma David Lumpkin, Beatrice Pezzolo
Willota Drive (146) and Willota Drive North (146.1) Solano Joanna Castaneda, Elizabeth Leyvas

The latest at Audubon Canyon Ranch