CR — Critically Endangered

Hypotaenidia owstoni

Conservation status data sourced from the IUCN Red List of Threatened Species.

↑Increasing

Population trend

Countries

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Guam_rail

01 — Classification

Taxonomy & Classification

Kingdom

ANIMALIA

Phylum

CHORDATA

Class

AVES

Order

GRUIFORMES

Family

RALLIDAE

Genus

Hypotaenidia

Hypotaenidia owstoni belongs to the family RALLIDAE, order GRUIFORMES, within the AVES class.

03 — Habitat

Habitat & Distribution

ForestMajorGrasslandMajorSavannaMajorShrublandMajorWetlands (inland)MajorWetlands (inland) - Bogs, marshes, swamps, fensMajor

04 — Threats

Threats

IUCN Red List: Critically Endangered

Assessed as Critically Endangered by the IUCN Red List of Threatened Species.

Annual & perennial non-timber crops

Ongoing

Fire & fire suppression

Ongoing

Housing & urban areas

Ongoing

Invasive non-native/alien species/diseases

Ongoing

Logging & wood harvesting

Ongoing

05 — Conservation

Conservation Actions

Species management

Species recovery

Species reintroduction

Ex-situ conservation

06 — Range

Found in 3 Countries

Guam Northern Mariana Islands United States

Community

Community Sightings

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07 — Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2026). Hypotaenidia owstoni (Hypotaenidia owstoni). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/hypotaenidia-owstoni-22692441

Full citation guide & data usage terms