Gray-headed Swamphen

Gray-headed Swamphen Porphyrio poliocephalus

Abundance map

Gray-headed Swamphen, Abundance map
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Data provided by eBird

Gray-headed Swamphen

Porphyrio poliocephalus

Abundance

This map depicts the seasonally-averaged estimated relative abundance, defined as the expected count on an eBird Traveling Count starting at the optimal time of day with the optimal search duration and distance that maximizes detection of that species in a region.  Learn more

Relative abundance
Year-round
0
0.97
11.63
Abundance
Trends
  • In progress. Learn more
  • Trends map: Non-breeding
  • Trends map: Breeding