southern areas, where robins over-winter, robins are
commonly seen in large flocks. We expect to receive reports of
"WAVES" of robins from these areas during the winter
months, before the spring migration begins.
the first robins of spring are usually seen alone. Later, groups
or waves of robins follow and are a sign that
the migration is peaking in that area.
you're in the north or south, please report all sightings
of flocks or groups of robins as "WAVES." We
will use the data to make a map showing robin abundance—on
the wintering grounds and along the migration trail.
you see WAVES of robin, let us know!
Report Your Observations