We're in beta! If you find a bug or have feedback, let us know in our 
Astronomy On Tap
Astronomy on Tap Hawai’i: Nāpōwawā`enakaulua
Hale Kanikapila HI
- October 14, 2026 at 11:00 PM
Community
swallow
within 25 miles
Oct 1, 2026
6 opportunities found! use fewer search filter criteria to find more opportunities
Filters
Forest Preserves of Winnebago County, Severson Dells Nature Center
FPWC Bluebird Monitoring
To track which habitats which species prefer and how populations and habits change over time.
Unrecognized location type unknown
- Ongoing
Citizen Sciencehouse wrensbirdsblack-capped chickadeesbluebirdsanimalshouse sparrowswildlife monitoringmonitoringbird monitoringnest boxwildlifeinvasive speciestree swallows
University of Wisconsin-Madison Arboretum
Journey North
Tracking wildlife migration and seasonal change
Multiple locations, including yours!
- Ongoing
Citizen ScienceNature & OutdoorsAstronomy & SpaceBirdsInsects & PollinatorsBiologyGeology & Earth ScienceOcean Water MarineClimate & WeatherAnimalsEducationEcology & EnvironmentComputers & Technologyappropriate for studentsphenologysummer reading 2021pbscitizen sciencehummingbirdsmonarch butterfliesnature & outdoorsmigrationecology & environmentenvironmentgirl scoutsmonarchseasonsplantsinsects & pollinators
The Woodland Trust
Nature's Calendar Survey
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentBirdsInsects & PollinatorsAnimalsClimate & WeatherNature & OutdoorsBiology
SPOTTERON GmbH
Naturkalender
Contributing to phenology and climate
Anywhere
- Ongoing
Citizen ScienceAnimalsEcology & EnvironmentNature & Outdoors
Purple Martin Conservation Association
Project MartinWatch
The data is used to study the current conditions of the Purple Martin population and determine how it may be changing over time as a result of habitat variations, climate change, and the introduction of non-native species.
Multiple locations, including yours!
- Ongoing
Citizen Scienceswallowpurple martinbirdprogne subismartinwatchmartinpmcabird nest
1