We're in beta! If you find a bug or have feedback, let us know in our 
Acoustic Bat Monitoring
To understand the population of bats in Wisconsin.
Multiple locations, including yours!
- Ongoing
Citizen ScienceBiologyEcology & EnvironmentAnimalsNature & Outdoorsbats
trails
within 25 miles
Sep 27, 2026
73 opportunities found! use fewer search filter criteria to find more opportunities
Filters
Appalachian Mountain Club
Appalachian Trail Flower Watch
Participate in mountain plant monitoring for climate science research
Multiple locations, including yours!
- Ongoing
Citizen ScienceNature & OutdoorsBiologyEcology & EnvironmentClimate & Weatherflowerswildflowersobservationmountainsmountaincitizen-scienceobservationsphenology
Alabama Museum of Natural History
Biodiversity of Alabama
Document the biodiversity of organisms found in Alabama
Multiple locations, including yours!
- Ongoing
Citizen ScienceBirdsOcean Water MarineInsects & PollinatorsBiologyNature & OutdoorsAnimalsEcology & Environmentnature sightingnabiodiversity
Birdsacre Stanwood Wildlife Sanctuary
Birdsacre Stanwood Wildlife Sanctuary
Ellsworth Maine
- Ongoing
CommunityExhibitionLive ScienceBiologyGeneral ScienceVisit/Drop-In
Blue Hill Heritage Trust
Blue Hills Heritage Trust Trails
Blue Hill Maine
- Ongoing
General ScienceOther
CitSci.org
Border to Border Leave No Trace
This project aims to reduce the amount of trash on local trails and foster an attitude of leave no trace and community engagement.
Anywhere
- Ongoing
Citizen Science
Zooniverse
Cedar Creek: Eyes on the Wild
Understand wildlife dynamics in Minnesota
Anywhere
- Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsAnimalsboreal coniferous forestcsm-featuredbiologywildlifedeerlargest biomes of north americaherbivoresdiversityclassify imagesecologybiological field stationtallgrass prairieflorabirdscsm2025meso-predatorsmidwestern usatrail camerareserveanimal life.predatorsnatureenvironmentsoil biodiversitybisonplantminnesotaeastern deciduous forestecosystemfauna
Chestnut Mega-Transect
Document status of American chestnuts along Appalachian Trail.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentPolicyClimate & WeatherNature & Outdoorsappalachiantreestreecountingcount
ClimateWatch
To understand how changes in temperature and rainfall are affect
Multiple locations, including yours!
- Ongoing
Citizen Sciencephenologynature & outdoorsinsects & pollinatorsinsectsclimatewatchplantsspeciesclimate & meteorologybirdsecology & environmentlong-term species monitoringanimalsbiologyflowersbiodiversitymonitoringclimate change
Cora Hartshorn Arboretum and Bird Sanctuary
Cora Hartshorn Arboretum and Bird Sanctuary
Connect communities with local nature and birdlife
Short Hills, New Jersey
- Ongoing
Citizen ScienceEcology & EnvironmentNature & Outdoorscommunityarboretumbirdstrailslocal ecosystemseducation