Massachusetts Breeding Bird Atlas 2

USGS Breeding Bird Atlas Data Entry Tool

We have partnered with the USGS to bring you a data entry website made specifically for the Massachusetts Breeding Bird Atlas 2. Registered Atlas volunteers will be given an observer code to log in to the site, and to enter data. If you are not a registered Atlaser, you can still visit the site and explore the data from Atlas 1 and Atlas 2.

Data entry directions are available for download (PDF 53KB). You can jump to the data entry site by clicking on the USGS logo.