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Exploring Data

Understanding the eBird Bar Charts

We are pleased to announce improvements to the eBird frequency histograms--or as they are more popularly known--the eBird bar charts. These charts represent how bird occurrence cha...

Using the eBird Range Maps

eBird has always specialized in showing bird sightings with state-of-the-art maps. As mapping services have improved, eBird has continually evolved to better serve this information...

About the eBird Top 100

The eBird Top100 (e.g., World, Iceland, ABA Area, or 2013 in Hidalgo County, Texas) is quite simply a display of list totals directly from an eBirder's "My eBird" pages. Top100 is ...

Yard and Patch guidelines

The below guidelines pertain both to eBird Patch Lists and Yard lists. Our Patch Listing pages provide a new way to view and explore data from a favorite birding site, affectionat...

Printing Bar Charts

Unfortunately, printing the eBird bar charts, like this one for the Farallon Islands, California (a great vagrant location, with an overall list of over 400 species!) isn't as eas...
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