Songbirds returning in March bring the first sounds of spring.

Many North American songbirds, including American robins, red-winged blackbirds and song sparrows, often return or become more vocal in March as they seek food, claim territory and attract mates.

March often brings the first noticeable return and song of many North American songbirds. Warmer temperatures and melting snow prompt some species to move north to breed. Early arrivals seek food, defend territory, and begin mate attraction ahead of the main migration. The timing varies by species and by migratory distance. What we know: - Early-returning species mentioned include the American robin, red-winged blackbird, song sparrow, eastern bluebird, barn and tree swallows, eastern phoebe, common grackle, brown-headed cowbird, and dark-eyed junco. - Food availability influences timing: species that eat seeds, berries and a range of foods often arrive earlier, while insect-dependent birds wait for warmer conditions. - Males commonly arrive first to claim territory and attract mates, and earlier territory establishment can improve breeding opportunities. - Migration happens in waves; first-arrival reports typically record individuals or small groups, not immediate return of whole populations. - The article describes habitat measures homeowners use to support migrating birds, including adding native plants, providing water, reducing pesticides, making windows safer, and offering shelter. Summary: The early return and songs of these species mark seasonal change and contribute to ecosystem functions such as insect control and seed dispersal. Migration continues in waves through March and into spring as more birds arrive when food and temperatures allow. First-arrival observations provide data for long-term tracking of migration timing, while broader population returns take place over several weeks.