AIAI reconstruction created with Nano Banana 2 · 1K, grounded in the profile’s documented taxonomy, habitat, natural-history sources, and an open-license visual reference when available. It is an interpretive image, not documentary evidence. Image policy →
Puerto Rican Nightjar
Guabairo de Puerto Rico
Antrostomus noctitherus
The Puerto Rican nightjar, Puerto Rican whip-poor-will or guabairo (Antrostomus noctitherus) is a bird in the nightjar family found in the coastal dry scrub forests in localized areas of southwestern Puerto Rico. It was described in 1916 from bones found in a cave in north central Puerto Rico and a single skin specimen from 1888, and was considered extinct until observed in the wild in 1961. The current population is estimated as 1,400-2,000 mature birds. The species is currently classified as Endangered due to pressures from habitat loss.
Sound archive
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Sound recorded by Ross Gallardy · XC308516 · CC BY-NC-SA 4.0. Visualization by Stichting Xeno-canto voor Natuurgeluiden.
Every recording retains the creator, catalogue number, and license published by Xeno-canto. Metadata via GBIF ↗
Island profile
About the Puerto Rican Nightjar
The Puerto Rican nightjar, Puerto Rican whip-poor-will or guabairo (Antrostomus noctitherus) is a bird in the nightjar family found in the coastal dry scrub forests in localized areas of southwestern Puerto Rico. It was described in 1916 from bones found in a cave in north central Puerto Rico and a single skin specimen from 1888, and was considered extinct until observed in the wild in 1961. The current population is estimated as 1,400-2,000 mature birds. The species is currently classified as Endangered due to pressures from habitat loss.
Conservation
Vulnerable
IUCN VU; DNER EN; ESA Endangered
- Global IUCN
- VU
- Puerto Rico DNER
- EN
- Federal ESA
- Endangered
- Critical habitat
- No in cited 2026 table
Natural history
How it lives
- Habitat
- Subtropical dry limestone forest; coastal dry forest; scrub
- Elevation
- 0–640 m
- Nest
- No nest · Ground
- Clutch
- 1–2 eggs
- Social behavior
- Solitary
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This bird belongs to 14 paths through the atlas.
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Evidence trail
Sources, media & further reading
Research note: Regulation 6766 misspells/uses older Caprimulgus name; current genus is Antrostomus