species : Great Blue Heron login
117 Locations
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Salton Sea X
Woodbridge Ecological Preserve X X
Bosque del Apache NWR X
Marsh Road X
San Antonio Valley X
Shoreline Lake X X
Charleston Slough X X X X X X X X X
Rural Areas of Polk County X
San Diego X
Leakey X
Ogier Ponds X
Ed Levin County Park Elm Picnic Area X
Our Friend's Big Sur Getaway X
Merced NWR X X X X
Venice Rookery X
Plumas-Eureka State Park X
Andrew Molera X
Foster City Radio Tower X X
Pikes Peak X
Sunnyvale Baylands X X X X
El Canelo Ranch X
Monte Bello Open Space Preserve X
Brownsville X
Ding Darling NWR X
Golden Gate Park X X
Pillar Point X X
Donald M. Somers Water Pollution Control Plant X X X X
Tomales Bay X
Monterey Bay X X
Port Aransas X
Sutter Buttes X
Grant Ranch County Park X
Emeryville Marina X
Morro Bay X
Laredo X
Arcata Marsh X
Point Reyes National Seashore X X X X X X
Kern River Preserve X
Noyo Canyon X
Coast Guard Pier X
Moss Landing State Beach X X X
Rural Areas of San Mateo County X X X X
Corpus Christi X
Cheshunt Drive X
Touvelle State Park X
Piute Mountains X
Colusa NWR X X
Mount Hamilton X X
Rural Areas of Santa Clara County X
San Felipe Lake X
Frank's Dump X
Fay Ranch Road X
Camrose and environs X
Cosumnes River Preserve X X
Coyote Creek County Park X
Santa Cruz X
Rural Areas of San Benito County X
Chimney Creek Campground X
Paicines Reservoir X
Coyote Creek Field Station X X X
San Pedro River Conservation X
Princeton Harbor X
Beaverhill Lake X
Lake Tohopekaliga X
Bodega Bay X X
Rural Areas of Humboldt County X
Schollenberger Park X
Arrowhead Marsh X X X
Coyote Hills Regional Park X X
Oka Ponds X X
Viera Wetlands X
Bolinas Lagoon X
Lake Merritt X
Lake Lucerne X
Coyote Point Marina X
Zmudowski State Beach X
Ryer Island X
Las Gallinas Sewage Ponds X X
Ano Nuevo State Reserve X
Willms Road X
Palo Alto Duck Pond X X X X X X X
Skyline Ridge Open Space Preserve X
Bair Island X
Cold Lake Provincial Park X
Butte Valley Wildlife Area X
Lithia Park X X
Crown Memorial State Beach X
Rio Rico X
Panoche Valley X
Waldo's Dike X
Lakeland Provincial Park X
Calero Reservoir X X
Los Alamitos Water Recharge Pond X X
Upper Mississippi NWR X
Don Edwards Center X X
Sir Winston Churchill Provincial Park X
Lake Cypress X
Lower Klamath NWR X
Uvas Canyon Reservoir X
Mines Road X
Drawbridge X
Magic Brush Pile X
Lexington Reservoir X
Vasona Creek X X X
Hayward Regional Shoreline X X X
Pescadero Marsh X X
Stanford University X
Laguna Atascosa NWR X
Carmel River X
Malheur NWR X X X
Sacramento NWR X X X
New Almaden X
Elkhorn Slough X X X
Philadelphia X
San Pablo Reservoir X
Starbucks Pond X
South Padre Island X
Total Locations 34 5 8 18 7 10 13 15 23 14 22 13
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec