Evidence found
2 records across 2 countries and territories, 1922–2019.
Porzana atra · GBIF taxon key 2474605
Where has the Henderson Island crake been recorded?
Porzana atra occurrence evidence comes from 2 records in 2 countries and territories, from 1922 to 2019. Most records come from United Kingdom.
- 2 records
- 2 places
- 2 years recorded
- Aves class
Observation evidence passport
Source coverage
CC0 GBIF Animalia occurrence facets, including country, month and year summaries.
Refreshed 2026-08-23. Inspect the taxon on GBIF.
What this means
The species has been recorded in the listed places in the stated source universe. Peak month: April.
2 months reach at least 10% of the peak facet count.
What this does not mean
one-off describes the record pattern, not a formal range, residency, abundance or conservation assessment.
A single record remains evidence of a recording, not proof that a population lives there.
Compare this animal’s observation pattern
When it is recorded
JFMAMJJASOND
Peak month: April. Records cluster in the months an animal is present and being looked for, so a summer peak can reflect observer effort as much as the animal.
Where Henderson Island crake has been recorded
The countries below show where occurrence evidence exists for Henderson Island crake. They do not define a complete habitat range: survey effort differs by place, and historical or one-off records can appear alongside repeated presence.
| Place | Records | Share |
|---|---|---|
| United Kingdom | 1 | |
| Pitcairn | 1 |
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Western Swamphen
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Record pattern: one-off
One-off or limited records in the covered source. This is inferred from how many years and months the animal appears in, not from a range map — treat it as evidence, not a formal assessment.
One-off or limited records in the covered source. This is inferred from how many years and months the animal appears in, not from a range map — treat it as evidence, not a formal assessment.