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  1. Most Purple Martins that breed in eastern North America probably migrate across the Gulf of Mexico. They form huge roosts (of several hundred thousand birds) in late summer along the Gulf Coast from Texas to Florida. Others may fly over Mexico and through Central America.

  2. The purple martin (Progne subis) is a passerine bird in the swallow family Hirundinidae. It is the largest swallow in North America. Despite its name, the purple martin is not truly purple.

  3. In the East, dark, glossy-blue males and brown females will peer from the entrances and chirp from the rooftops all summer. In the West, martins mainly still nest the old-fashioned way—in woodpecker holes. Our largest swallows, Purple Martins perform aerial acrobatics to snap up flying insects.

  4. Purple martins breed across eastern North America, and also some locations on the west coast from British Columbia to Mexico. In winter, these birds migrate to the Amazon basin. Purple martins inhabit open areas near wetlands, swamps, and wet meadows.

  5. Learn about the purple martin, the largest swallow in North America, and its distribution, habitat, and migration. Find out how this bird nests in artificial structures and faces threats from competition and logging.

  6. In the East, dark, glossy-blue males and brown females will peer from the entrances and chirp from the rooftops all summer. In the West, martins mainly still nest the old-fashioned way—in woodpecker holes. Our largest swallows, Purple Martins perform aerial acrobatics to snap up flying insects.

  7. Large, dark swallow. Distinctive north of Mexico, where it is the largest swallow. Adult males are dark overall with a purplish-blue iridescence visible at close range. Females are grayer with iridescence on the crown and back, and variable splotchy patterning on the underparts.

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