Alpine Master Point Count File 2018-2022, Maine Bird Atlas
These surveys use the same protocol as the roadside surveys but they are twice as long to make them comparable with the Mountain Bird Watch protocol (a 20 min survey).
There are two components to the database: effort data describing when sites were surveyed and the condition under which that occurred and the observation data which describe the species detected and details of their detetion. These files are on different tabs of the Excel spreadsheet.
Abstract
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