The Guam Rail (Hypotaenidia owstoni) is the second bird in history to recover after being declared Extinct in the Wild, following the California Condor (Gymnogyps californianus).
Notes on verification
Multiple independent, credible sources (CNN, BirdLife International, Smithsonian National Zoo, IUCN) consistently confirm the Guam Rail's reclassification and its status as the second bird species to recover from Extinct in the Wild, after the California Condor. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.917 clusters=3 claim_tier=notable]
Sources
- Species recoveries bring hope amidst the biodiversity crisis (seed:environment_and_wildlife)
- https://edition.cnn.com/2019/12/19/world/guam-rail-brought-back-from-extinction-in-wild-scn-c2e-intl-hnk (corroboration)
- https://www.birdlife.org/news/2020/01/20/how-did-the-guam-rail-come-back-from-extinction-in-the-wild/ (corroboration)
- https://nationalzoo.si.edu/center-species-survival/news/conserving-last-guams-avifauna-recovery-guam-rail (corroboration)