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
trail
within 25 miles
Dec 12, 2025
129 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 & Weatherflowersobservationmountaincitizen-sciencephenologywildflowersmountainsobservations
USA National Phenology Network, ATC, AMC, NPS, USGS
A.T. Seasons
To record phenological events along the Appalachian Trail
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentGeology & Earth ScienceBiologyOcean Water MarineEducationPolicyClimate & WeatherInsects & PollinatorsBirdsAnimalsComputers & TechnologyNature & Outdoorsanimalplantgroupappalachiantrackingpleantsnaturepublictrailobservationsenvironmentclimateparkfree
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 & Environmentbiodiversitynature sightingna
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 ScienceAnimalsNature & OutdoorsEcology & Environmentlargest biomes of north americareservediversityplantcsm2025boreal coniferous forestbisonenvironmentbirdsherbivoressoil biodiversityecologyecosystemfloranatureminnesotacsm-featuredtallgrass prairiebiological field stationbiologytrail cameraanimal life.wildlifefaunaclassify imagespredatorsdeermidwestern usaeastern deciduous forestmeso-predators
Chestnut Mega-Transect
Document status of American chestnuts along Appalachian Trail.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentPolicyClimate & WeatherNature & Outdoorscountcountingappalachiantreestree
City of Chandler
City of Chandler: Blevins Trail and Cat Peaks Pass Hike
Chandler Nature Center Arizona
- December 16, 2025 at 7:00 AM
CommunityGeneral Science