Researchers say the storm's impact could last for years.

Add Yahoo as a preferred source to see more of our stories on Google. More than a quarter of the breeding population of purple martins died in Texas and Louisiana during the winter storm of 2021.

Every year, North America's largest swallows, purple martins, gather in thousands to roost together near Austin before beginning their migration. Sara Diggins is a visual journalist at the Austin ...

Thousands of purple martins died during the Great Texas Freeze of February 2021, and a peer-reviewed study now shows the toll was far worse than casual observers realized. Researchers found the ...

Purple martins are migrating from South America to North America and have arrived in Pennsylvania in time for the start of ...

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 ...

More than a quarter of the breeding population of purple martins died in Texas and Louisiana during the winter storm.