CA State Roadkill Observation Data (2018-2025)

Dataset of wildlife-vehicle collision (WVC) observations in California January 2018 through April 2025, compiled from iNaturalist citizen science reports for use in Quantitative Methods for Spatial Analysis at California State University, Stanislaus.The dataset contains over 33,000 records, with more than 22,000 concentrated in Santa Clara County and detailed observations along Alma Bridge Road near Lexington Reservoir. Records include species-level information, with Pacific newts representing 96.5% of reports, alongside additional taxa such as frogs, toads, and lizards. Temporal coverage spans January 2018 to April 2025, enabling analysis of annual variation, species abundance, and spatial clustering of roadkill events.