Purple martins are returning from South America. The first "scouts" have been spotted in Michigan. What to know.

These birds, North America's largest swallow species, travel up to 7,000 miles and play a crucial role in controlling insect populations. Purple martin populations have declined sharply in recent ...

Purple martins, known for their glossy plumage, have returned to Michigan after wintering in South America. The first sightings, known as "scout" birds, were reported in mid-March, marking the ...