2026.06 June Horseshoe crab monitoring at Kaiser Park — what's on nyc

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2026.06 June Horseshoe crab monitoring at Kaiser Park

Tue, Jun 2 at 9pm

Kaiser Park: Kaiser Park, Brooklyn

FREE community

Nighttime citizen science count of spawning horseshoe crabs on Brooklyn shoreline.

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Sat, Jun 13 at 10am

Henry Hudson Park: Permittable Area, Bronx

Citizen science tree census counting and cataloging park trees.

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Sat, Jun 6 at 10am

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Evergreen Park: Evergreen Park, Queens

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Volunteer forest restoration workday at a Staten Island park.

🤝 2026.06.06 National Trails Day: Alley Pond Park Trail Work

Sat, Jun 6 at 9am

Alley Pond Park: Trails - Winchester Blvd & Grand Central Pkwy, Queens

National Trails Day volunteer trail work at Alley Pond Park.