Statewide
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California Roadkill Observation System
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Reef Check California
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Travel Trawl
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California King Tides Initiative
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Rare Plant Treasure Hunt
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Jellywatch
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California Phenology Project
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OakMapper
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Ocean Spaces
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Tricolored Blackbird Portal & Triennial Statewide Survey
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Bay Area FrogWatch
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What's Invasive
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CoCoRaHS California
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Western Monarch Thanksgiving Count
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Calflora
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ZomBee Watch
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Leatherback Watch
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Shark Watch
Regional
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Central Coast Vineyard Team
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Colonial Waterbird Surveys
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Long-billed Curlew Volunteer Project
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Fallow Field Shorebird Survey
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Yellow-billed Magpie survey
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Living Shoreline Initiative - Oyster Monitoring & Restoration Project
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Healthy Watersheds Program
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Año Nuevo and Surrounds - UC California Naturalist Project
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MPA Watch - Otter Project
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Marine Debris Action Teams
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ASC Pika Project
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GreenprintMaps
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Sacramento Valley Fox Survey & the Contribution of Citizen Science to Conservation
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Invasive Tunicate Network (iTunicate)
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Weed Watchers - Golden Gate
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Communities for Better Environment (CBE) Research Team
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East Bay Academy for Young Scientists (EBAYS)
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San Dieguito Citizen Science Monitoring Program
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Livestock & Land Monitoring - Monterey Bay
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Otter Spotter
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Pacific Flyway Shorebird Survey
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Bay Area Ant Survey
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Bay Area's Most Wanted Spider
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REEF Invertebrate and Algae Monitoring Programs
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REEF Volunteer Survey Project
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COASST - Coastal Observation and Seabird Survey Team
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Insects of the San Francisco Bay Area
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Big Bear Bald Eagle Census
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Bay Area Early Detection Network
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Beach Watch
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Grunion Greeters
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Bay Area BioAtlas
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Pika Study
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Marine Invasions Research Lab
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Peregrine Falcon Nest Survey
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SOD (Sudden Oak Death) Blitzes
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Community Strategies for Sustainability and Justice
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Beach COMBERS
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Rocky Intertidal Monitoring Project
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Sandy Beach Monitoring Project
National
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Nest Watch
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Lost Ladybug Project
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Monarch Larva Monitoring Project
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Great Sunflower Project
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Project Bud Burst
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Urban Ant Collector
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Celebrate Urban Birds
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Great Backyard Bird Count
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Earth Team
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YardMap
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iNaturalist
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Project Feeder Watch
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GLOBE - Global Learning and Observations to Benefit the Environment
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Nature's Notebook - National Phenology Project
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Project Squirrel
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Project Noah
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Bumblee Bee Watch
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Your Wild Life Projects
Local
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Shorebird and Invertebrate Surveys - Richardson Bay
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Youth Winter Bird Count
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Friends of Sausal Creek Monitoring Teams
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River Otter Network
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Sword Ferns in the Redwood Ecosystem
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Surfrider Water Sample Collection
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Snapshot Day - Tahoe and Truckee River Watershed
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Elkhorn Slough Shorebird and Waterfowl Monitoring
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Coyote Creek Field Station - Landbird Project
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Project Tierra
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SONAR - School of Natural Resources
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Yuba River Water Quality Monitoring
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SFBBO Waterbird Program
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Elkhorn Slough Nest Box Monitoring
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Green Hairstreak Project
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Carneros Creek Agricultural Run-off Monitoring
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Trees to Seas Camp
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Sagehen Creek Basin - UC California Naturalist Project
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LA Spider Survey
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PRIDE Shorebird Surveys (Proud Residents Investing in a Diverse Estuary)
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UC Davis SEEDS BioBlitz
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Mission Bay IBA (Important Bird Area) - Citizen Science Program
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Watershed Education Summit (WES) Conference
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Point Lobos and Surrounds - UC California Naturalist Project
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Contra Costa Volunteer Creek Monitoring Program
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Thursday Birding: Raptor Baseline
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Bay Lab at Crab Cove
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Hawkwatch & Golden Gate Raptor Monitoring
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SEA Explorers
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SPAWN Salmon & Creek Monitoring
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Weed Watchers - Marin Municipal Water District
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Turtle Watchers - Marin Municipal Water District
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Urban Forest Map - San Francisco
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Sunol-Ohlone Wilderness Bird Nesting & Rare Plant Projects
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Behavior and Ecology of Steller's Jays
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Humboldt Bay Goose Study
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Tricolored Blackbird Colonies - Monitoring and Protecting in San Luis Obispo County
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Morro Bay Shorebird Survey
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MPA Watch - Heal the Bay
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What lives on Albany Hill, Cerrito Creek, and El Cerrito Hillside Natural Area?
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Antioch Dunes Endangered Species Survey
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Don Edwards Bay Area NWR Special Projects
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Don Edwards SF Bay BioBlitz
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Stream Team & Creek Stewards
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Big Chico Creek Youth Stream Team
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BioCurious
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SCENIQ - Students Conducting Environmental Inquiry
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Pepperwood Preserve Stewards Program
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The Stream Team - Big Chico Creek Watershed Citizen Monitoring
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Pepperwood Vital Signs
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Gray Whales Count
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Friends of Deer Creek
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Waterbird Surveys - Richardson Bay
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Friends of the Alameda Wildlife Refuge (FAWR) Committee
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Save Our Shorebirds Surveys - Mendocino
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First Flush - Monterey Bay
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Urban Watch - Monterey Bay
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Snapshot Day - Monterey Bay
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North Bay Heron & Egret Project
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Shorebird & Waterbird Monitoring on Tomales Bay
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Weed Watcher - Martin Griffin Preserve
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East Bay Body Burden Project
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Arvin Bucket Brigade
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EarthWatch Institute Expeditions
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Fresno Bird Count ( FBC) project
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PM (Particulate Matter) Survey
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West Oakland Bucket Brigade
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Tri-County Watchdogs Air Monitoring
International
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Globe at Night Project
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Christmas Bird Count
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eBird
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Redwood Watch
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Citizen Weather Observer Program
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Creek Watch
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Whale FM - the Whale Song Project