Gray-breasted Martin illustration
Birdsong field guide

Gray-breasted Martin

Progne chalybea

A large Neotropical swallow characterized by glossy blue-black upperparts and a contrasting dusky gray breast that fades into a white belly.

What it sounds like

A musical, gurgling series of liquid 'chew-chew' notes and soft, rolling warbles.

Reference call, compare with what you heard
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Rec. Tristan Guillebot de Nerville · French GuianaCC BY-NC-SAXeno-canto

Field notes

  • It is the most widespread and common member of the genus Progne throughout the Neotropics.
  • Unlike the Purple Martin, adult males never develop fully dark underparts, consistently retaining a gray chest and white abdomen.
  • They are highly adaptable nesters, frequently utilizing man-made structures such as building eaves, bridges, and hollow pipes.
  • Southern populations are migratory, traveling north from Argentina and Uruguay to the Amazon basin during the austral winter.
  • These social aerial insectivores often gather in massive communal roosts, sometimes numbering in the thousands, within city parks or mangroves.
Habitat
Open and semi-open lowlands, including urban areas, agricultural clearings, and forest edges, usually near water.
Range
Mexico and Central America south to central Argentina, including Trinidad.

Similar & commonly confused birds

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