PITTSBURGH — One bird spectacle readily observable in western Pennsylvania right now comes in the form of 100 purple martins swirling above the fields and their condos at Harrison Hills ...

Nesting in colonies, the handsome dark purple bird is the largest swallow in the nation, boasting a 16-inch wingspan and gobbling up thousands of insects.

Back in 2000, when Kostka was serving as a research assistant at the Purple Martin Conservation Association, he heard anecdotal reports of the birds eating dead crickets off the ground and other ...

A 25-year-old association that works to conserve a declining swallow population will celebrate its quarter century of existence on Saturday with a festival in Essex County.

This video shows hundreds of thousands of purple martins swarming throughout downtown Nashville, Tennessee, last summer. Each night for several weeks, onlookers gathered in the Tennessee Titans ...