Barn Swallow over 5 years
Continuing our presentation of year-wise arrival patterns, here we show the results for Barn Swallow.
Please note that each sighting is shown as a vertical black line.
From the above illustration it is evident that Barn Swallows usually arrive around late July/early August and nearly all of them leave by April.
You can explore the Barn Swallow sightings on MigrantWatch here.