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Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →The Galápagos Rail was officially recorded on Floreana again in February 2025, nearly 190 years after Charles Darwin documented it there in 1835. Park rangers and scientists found evidence at three sites, but the record does not show whether the birds recolonized the island or survived there unnoticed in very small numbers. The rail was considered locally extinct on Floreana—not extinct across the Galápagos.
What was found on Floreana in February 2025?
On 27 February 2025, the Galápagos National Park Directorate announced the first official Floreana record of the Galápagos Rail, Laterallus spilonota, since Darwin’s 1835 observation. Park rangers and scientists from the Charles Darwin Foundation and Fundación Jocotoco documented the birds during the annual landbird monitoring expedition. The evidence came from three sites in the island’s transition zone: six acoustic records, two visual observations and one photograph. Galápagos National Park Directorate Charles Darwin Foundation
These records establish that rails were present on Floreana in 2025. They do not provide a population count or settle how long the birds had been there. Earlier surveys had failed to detect the species, including a 1987 survey that used playback at 150 locations, according to the Charles Darwin Foundation.
Was the Galápagos Rail extinct on Floreana?
It was regarded as locally extinct on Floreana because no official records followed Darwin’s 1835 observation. Local extinction means a species is no longer known to persist in a particular place; it does not mean extinction worldwide. The Galápagos Rail remained known on other islands in the archipelago, and the 2025 finding shows it is present on Floreana now. Whether it disappeared from the island in the intervening years is still unknown.
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Did the rails survive there or recolonize the island?
There are two possible explanations: a small population persisted undetected, or rails later recolonized Floreana. Birgit Fessl, Principal Investigator for landbird conservation efforts at the Charles Darwin Foundation, said survival in very low numbers is more likely. She pointed to the rail’s limited flying ability and the birds’ presence at multiple sites. That is an informed assessment, not a confirmed origin story.
| Explanation | What supports it | What remains unresolved |
|---|---|---|
| Undetected persistence | Fessl considers it more likely; the birds are not strong flyers, and records came from several sites. | No genetic result or population history has confirmed that a Floreana population survived continuously. |
| Recolonization | It remains a possible explanation for the birds’ presence. | The available record does not establish when or from where birds might have arrived. |
Genetic sampling has been identified as a next step that could help distinguish a remnant Floreana population from recolonization. Until such evidence is available, neither explanation should be treated as proven.
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What does invasive-species removal have to do with the record?
At the end of 2023, the Galápagos National Park Directorate and partners carried out a large-scale campaign targeting invasive species on Floreana. Project sources say most invasive cats and rats were removed. The rail records came during subsequent monitoring, and conservation partners say a safer environment is likely to benefit native wildlife.
That timing makes restoration a plausible part of the story, but it does not prove the campaign caused the rails to appear or that they arrived only after removal. If a small population had persisted undetected, the operation may have improved conditions for its survival without being the reason it was present. Arturo Izurieta, Director of the park directorate, described the finding as evidence that ecosystems can recover when given the opportunity; the birds’ origin, however, remains unresolved.
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The Floreana Ecological Restoration Project involves the park directorate, Galápagos Biosecurity Agency, Fundación Jocotoco, Island Conservation, Charles Darwin Foundation and Durrell Wildlife Conservation Trust, along with the local community and other supporters.
How can you recognize a Galápagos Rail?
The park directorate describes the rail as a small, terrestrial bird weighing 35–45 grams. Adults have dark-gray plumage, a brown back, red eyes and white speckles on the rear half of the body; juveniles lack those white speckles. The species is endemic to the Galápagos. Galápagos National Park Directorate
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What is the species’ conservation status?
The February 2025 park release called the Galápagos Rail Vulnerable. A peer-reviewed 2025 paper by Dvorak and co-authors estimated 32,300 breeding pairs across seven islands and argued that the species should be reassessed from Vulnerable to Near Threatened, citing the larger estimate and positive trends on several islands. The paper’s recommendation is not itself a formal change to the IUCN category.
The archipelago-wide estimate is not a count of the Floreana birds. The available sources do not give a Floreana population size or establish a genetic result about the birds’ origin.
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