I was planting a couple drought-resistant trees on our Littleton farm this morning when a barn swallow swooped across the property. It was the first I have seen this spring.
Having wintered in South America, these long distance migrants breed throughout most of North America, preferring open country with nearby barns or other man-made structures. Nests are placed on a flat surface, usually beneath the eaves of a roof. Though they used to nest on our farm, they have not done so in recent years, likely reflecting the loss of open space in our general neighborhood.
Nevertheless, they are still common visitors here throughout the warmer months and we sincerely appreciate their insect control services. It is a pleasure to have them back in the Northern Hemisphere.