AI 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 →

PRB-0391Passeriformes

Yellow-faced Grassquit

Gorrión de Barba Amarilla

Tiaris olivaceus

ResidentIUCN LC · Least Concern

The yellow-faced grassquit (Tiaris olivaceus) is a passerine bird in the tanager family Thraupidae and is the only member of the genus Tiaris. It is native to Central America, South America, and the Caribbean.

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FamilyThraupidaeTanagers and Allies

Puerto Rico occurrenceResidentAvibase inferred core 380

Primary habitatGrassland; scrub; farms; forest edgeGrassland; scrub; farms; forest edge

Primary dietSeedGranivore

Average mass8.75 gGlobal trait estimate

MovementSedentary / residentInsessorial

Sound archive

Hear its voice

Explore real songs and calls. The spectrogram turns each sound into a visual trace of time and frequency.

XC1094015Recording 1 of 3song

SpectrogramTiaris olivaceus

0:000:30

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Sound recorded by Julio Delgado · XC1094015 · 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

Catalog scopeAvibase inferred core 380

About the Yellow-faced Grassquit

Conservation

Least Concern

IUCN LC

Global IUCN: LC
Puerto Rico DNER: No current listing in source crosswalk
Federal ESA: No current listing in source crosswalk
Critical habitat: Not identified in source crosswalk

Natural history

How it lives

Habitat: Grassland; scrub; farms; forest edge
Elevation: 0–2300 m
Nest: Sphere / globular · Shrub / bush / vine; Grass
Clutch: 2–4 eggs
Social behavior: Social / flocking; Singly and pairs; Solitary

Keep exploring

This bird belongs to 9 paths through the atlas.

The complete catalogAll Birds of Puerto Rico402 birds →Birds by habitatForest Birds159 birds →Birds by habitatGrassland & Farmland Birds65 birds →Birds by habitatShrubland & Scrub Birds47 birds →Birds by habitatTown & Garden Birds39 birds →ConservationLeast Concern Birds328 birds →Occurrence in Puerto RicoBreeding Birds55 birds →Occurrence in Puerto RicoResident Birds47 birds →Bird familyTanagers and Allies (Thraupidae)7 birds →

Evidence trail

Sources, media & further reading

eBird species profile↗Macaulay Library media↗iNaturalist observations↗GBIF occurrence data↗BirdLife species factsheet↗Xeno-canto recordings↗Wikipedia in English↗Wikipedia en Español↗Media source · commons.wikimedia.org↗Source record 1↗Source record 2↗Source record 3↗Source record 4↗

Research note: SOPI subspecies tag; confirm current checklist recognition