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Acoustic Bat Monitoring
To understand the population of bats in Wisconsin.
Multiple locations, including yours!
- Ongoing
Citizen ScienceBiologyEcology & EnvironmentAnimalsNature & Outdoorsbats
trail
within 25 miles
Oct 28, 2025
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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 & Weatherobservationsobservationphenologymountainmountainscitizen-sciencewildflowersflowers
Colorado Springs Astronomical Society
Astronomy Hikes, Cheyenne Mountain State Park
Cheyenne Mountain State Park CO
- October 30, 2025 at 1:00 AM through 1:00 AM
CommunityAstronomy & Space
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 & Outdoorsnaturetrackingplantobservationspleantsfreepublicanimalclimategroupappalachianenvironmenttrailpark
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 & Environmentnabiodiversitynature sighting
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
St. Louis Astronomical Society
Bridgeton Trails (LTP)
St. Louis County Library Bridgeton Trails Branch MO
- October 31, 2025 at 12:30 AM through 12:30 AM
CommunityAstronomy & Space
Zooniverse
Cedar Creek: Eyes on the Wild
Understand wildlife dynamics in Minnesota
Anywhere
- Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsAnimalsecologydiversitytallgrass prairieherbivoresreservedeerclassify imagesbirdsbiological field stationlargest biomes of north americafaunatrail camerameso-predatorsecosystemmidwestern usacsm-featuredsoil biodiversitynaturewildlifeenvironmentbisoncsm2025boreal coniferous forestpredatorsminnesotafloraeastern deciduous forestanimal life.biologyplant