Survey points is a point feature class containing transects and observations completed in 2011.

Rare species is a point feature class containing rare species sightings.

Study area is a polygon feature class showing the extent of where most of the bird sightings were recorded and then used in the atlas. A few rare species have been included as well that go beyond this area.

Sidney Island Shorebirds Survey transects line feature.

This line outlines the basic survey route included in the survey counts. This route is the best access to areas that can be surveyed from shore.

Survey effort is a polygon feature class with the original transects – for reference.

Sidney Island Shorebird Surveys transects area feature.

Survey areas is a polygon feature class containing mudflats and staging areas observed for shorebirds.

Survey transects is a line feature class containing transects completed in 2011.