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Manatee County

Audubon Society

Gray-headed Swamphen

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Name

Gray-headed Swamphen

Scientific Name

(Porphyrio poliocephalus)

Why they are special:
  • A vividly colored, exotic wetland bird, recently established in parts of Florida.

  • Known for its bright purple-blue plumage and large size, it is often confused with native rails or gallinules.

Size and color:
  • Large rail-like bird, 16–19 inches long with a wingspan of 24–28 inches.

  • Glossy purple-blue body, gray head, red bill and frontal shield, and long greenish legs.

  • Juveniles are duller, often brownish with a paler face.

Seasonality in Florida:
  • Year-round resident, mostly in southern and central Florida wetlands.

Habitat:
  • Freshwater marshes, ponds, and canals with dense emergent vegetation.

  • Often seen wading and feeding along water edges.

Diet:
  • Omnivorous—feeds on plant matter, seeds, shoots, and small invertebrates.

Behavior:
  • Social, often forming small flocks.

  • Loud, grunting calls; clumsy on land but strong swimmers.
Conservation notes:
  • Considered non-native, so populations are monitored to assess ecological impact.

Best time to see:
  • Year-round, especially in wetlands with emergent vegetation.

Fun Fact:
  • Gray-headed Swamphens are excellent climbers, sometimes seen scaling reeds and shrubs in marshes.

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