City Nature Challenge 2026

Written By Betsy Cross

A Citizen Science Project

Carolyn Langlinais

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Hays County City Nature Challenge
Project 2402

The City Nature Challenge is an annual four-day bioblitz with corresponding identification period immediately following. The Challenge takes place the last weekend of April, from Friday through Monday via iNaturalist. Winners of the competition are recognized in the number of observations recorded, number of species recorded, and number of observers.

Betsy Cross
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Community Collaborative Rain, Hail, and Snow Network