This is not available for all of the bird species
The colors correspond to the highest evidence code observed in the region for the chosen bird species. Choose the color scheme that works best for your needs.
This will center the map and place a marker at your current location. It will attempt, for up to 10 seconds, to achieve an accuracy within 100 m.
This only covered the basics of using this utility, more thorough help is provided in the "Using the Interactive Map" page.