Change the display settings of the map
This button allows you to change the years, timespan, and state/province included in the data.
Here you can change between different types of charts to display.
You can choose between "Average # Seen per Party-Hour", "% of Surveys Where Found", and "# Surveys Where Found".
This section displays the data for each year. Click on any bar to display that year's data on the map.
Clicking this button will cycle the map through each year's data, showing the progression.
This legend shows the size marker for different levels of abundance. Abundance is determined by dividing the number of butterflies seen by the number of party hours.
Section shows the trips for each area in a particular location. Click on any of the circles on the map to fill this section with trip data from that location.
You can view this intro tour again at any time by clicking here. This icon can be found on many pages, and can be clicked to view additional information.