Amphibian roadway crossing database

Report large migrations of vernal pool-breeding amphibians

Step 1. Collect field data during spring or autumn migration across roadways.

Step 2. Navigate to your observation area using the tool bar in the upper-left corner of the map.

Step 3. Zoom in as far as possible to improve accuracy.

Step 4. Click on the observation site (a text box with lat/long will appear on the screen).

Step 5. Complete as much of the form below as possible, and hit ‘submit.’