It is easy to get caught up with the exciting influx of new species, but remember that these migrants start nesting shortly after they arrive.

A few tree swallows spent the winter here, but this week’s sightings are not in the same locations.

It is not often that the same species repeats at the top of this column but once again American oystercatchers are in the news as the Martha’s Vineyard Bird Club’s field trip on March 9.