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Acadia National Park's Hawk Watch
Document the population numbers of hawks in Acadia National Park
Bar Harbor, Maine
- Ongoing
Citizen ScienceBirdsschoodic institutenational parks
national parks
within 25 miles
Apr 1, 2026
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Acadia National Park Resource Management
Acadia NP Freshwater Beach Monitoring
Monitor water quality.
Multiple locations, including yours!
- Ongoing
Citizen Sciencewater quality bacteriafreshwateracadia water qualitybacteria water quality monitoringwater quality monitoring freshwater
Agave Heritage Festival
Agave Heritage Festival: The Amazing Agave at Saguaro National Park
Saguaro National Park Arizona
- April 11, 2026 at 7:00 AM
CommunityGeneral Science
Agave Heritage Festival
Agave Heritage Festival: The Amazing Agave at Saguaro National Park
Saguaro National Park Arizona
- April 9, 2026 at 7:00 AM
CommunityGeneral Science
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 & Weatherwildflowersmountainsmountainobservationflowersphenologyobservationscitizen-science
Great Smoky Mountains Institute at Tremont
Aquatic Salamander Monitoring at Tremont Institute
Long-term monitoring of stream salamanders in the Smokies
Multiple locations, including yours!
- Ongoing
Citizen ScienceAnimalsBiologyEcology & EnvironmentGeology & Earth ScienceClimate & WeatherEducationNature & Outdoorstremont institutebiodiversitysalamandergreat smoky mountains national park
Arizona - Sonora Desert Museum
Arizona – Sonora Desert Museum: Mesa Verde and Chaco Canyon Ancestral Pueblo Cliff Dwellings and Monumental Great Houses
Arizona - Sonora Desert Museum Arizona
- April 27, 2026 at 7:00 AM
CommunityGeneral Science
Arizona State Parks & Trails
Arizona State Parks & Trails: Arizona250 Celebration at the Historic San Rafael Ranch
San Rafael State Natural Area Arizona
- April 11, 2026 at 7:00 AM
CommunityGeneral Science
Arizona State Parks & Trails
Arizona State Parks & Trails: Growing in the Desert – The History and Culture of the Tohono O’odham
Tubac Presidio State Historic Park Arizona
- April 11, 2026 at 7:00 AM
CommunityGeneral Science
Aussie Bird Count
BirdLife Australia’s Aussie Backyard Bird Count app allows you to take part in our annual national bird survey. For one week each year in late October, as part of National Bird Week, join thousands of people as they get to know their local birds and help us discover how our birds are getting on.
Multiple locations, including yours!
- Ongoing
Citizen Scienceterrestrial, biodiversity, ornithologyterrestrialbiodiversity ornithology