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Monadnock Region City Nature Challenge

Saturday, April 25, 2026,
3:00 pm
to 5:00 pm

Register Now
Nate Marchessault holding a frog while it is being photographed for iNaturalist (photo © Karen Seaver)

Join iNaturalist enthusiasts Steven Lamonde and Nate Marchessault for the Monadnock Region’s first annual participation in the City Nature Challenge — a fun celebration of biodiversity that also contributes valuable observations to the iNaturalist database.

We’ll celebrate this international BioBlitz event by hosting a biodiversity walk around the Harris Center grounds in search of amphibian eggs, spring wildflowers, birds, mosses, and any other signs of life. All observations made within the Monadnock Region from April 24 to 27 will count toward the City Nature Challenge, so keep observing even outside the walk! Bring your curiosity, and a phone or tablet with the iNaturalist app installed.

3 to 5 p.m. at the Harris Center. Space is limited, and registration is required. For general information about Harris Center field trips, see our Outings Information page. For more information about this particular outing, including questions about accessibility, contact Nate.

Harris Center iNaturalist Page

The Harris Center’s inaturalist page

Details

Contact

Nate Marchessault
Phone:
(603) 525-3394
Email:
nate@harriscenter.org

Location