iNaturalist Species Overlap Mapper

Species 1

Scientific or common name

Species 2

Scientific or common name

Location

Pick a place for its full boundary, type coordinates, or click 📍 to drop a point

Fetching observations and generating map…

This may take 30–60 seconds

Range overlap

Theme

Each species is its own colored heatmap. Where they overlap, the colors blend into the tone marked “Where both overlap” in the legend. Stronger color means more records; obscured locations are excluded.

About

Built on open source & open data

Observation data from iNaturalist, used under their Terms of Service.
Location picker by Leaflet (BSD-2-Clause).
Interactive maps by Plotly (MIT).
Served with Flask (BSD-3-Clause) on Python.

Pick Location on Map

Range overlap

Built on open source & open data