GL_Mackinac 2019 ESI BIRD Polygons, Points
These feature classes reside within the BIOLOGY Feature Data Set of the Great Lakes - Straits of Mackinac - 2019 ESI Geodatabase.  It contains vector polygons and points representing BIRD data for the Great Lakes - Straits of Mackinac area of interest.

The study area includes the Straits of Mackinac, nearby portions …