Data are presented here by agreement between the atlas project and USGS Patuxent Wildlife Research Center.
Results should be
Bird Atlas Explorer (online resource). 2015. U.S. Geological Survey
Patuxent Wildlife Research Center. <Date of access>. http://www.pwrc.usgs.gov/bba.
Data compiled from: Massachusetts Breeding Bird Atlas 2007-2011. Interim results used with permission.
Any use of these data should be accompanied by the proper citation as shown above. For questions or to use large portions of the dataset, please contact Joan Walsh at email@example.com.
Sponsorship for this project is provided by the Massachusetts Audubon Society with assistance from the Massachusetts Division of Fisheries and Wildlife.
First atlas: Massachusetts 1974-1979
The currently displayed project is a second breeding
bird atlas. For information about the first atlas, see