Yellow-faced Grassquit

Tiaris olivaceus

Silhouette: Sheatherius · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered

KingdomAnimalia (Animals)
PhylumChordata (Chordates)
ClassAves (Birds)
OrderPasseriformes (Perching Birds)
FamilyThraupidae (Tanagers and Allies)
GenusTiaris
SpeciesTiaris olivaceus (Yellow-faced Grassquit)

Daily sighting probability Insufficient data

at Ostional Wildlife Refuge

2 Verified sightings at Ostional Wildlife Refuge From 2019 to 2026

22,985 Verified sightings across all 53 parks From 2019 to 2026

☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Yellow-faced Grassquit

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. In 1760 the French zoologist Mathurin Jacques Brisson included a description of the yellow-faced grassquit in his Ornithologie based on a specimen collected in Saint-Domingue (now Haiti). He used the French name Le bruant de S. Domingue and the Latin name Emberiza dominicensis. Although Brisson coined Latin names, these do not conform to the binomial system and are not recognised by the International Commission on Zoological Nomenclature. When in 1766 the Swedish naturalist Carl Linnaeus updated his Systema Naturae for the twelfth edition he added 240 species that had been previously described by Brisson. One of these was the yellow-faced grassquit. Linnaeus included a terse description, coined the binomial name Emberiza olivacea and cited Brisson's work. The specific name olivaceus is Neo-Latin for "olive-green". This is now the only species placed in the genus Tiaris that was introduced by the English naturalist William Swainson in 1827. The genus formerly contained... Wikipedia →

Closest Relatives at Ostional Wildlife Refuge

Sporophila morelleti

Daily sighting probability <5% · Rare

Cyanerpes cyaneus

Daily sighting probability <5% · Rare

Volatinia jacarina

Daily sighting probability <5% · Rare

Thraupis episcopus

Daily sighting probability <5% · Rare

Eucometis penicillata

Daily sighting probability <5% · Rare

Thraupis palmarum

Daily sighting probability <5% · Rare

Sporophila corvina

Daily sighting probability Insufficient data

Pitangus sulphuratus

Daily sighting probability ~70% · Very likely

Campylorhynchus capistratus

Daily sighting probability ~70% · Very likely

Quiscalus mexicanus

Daily sighting probability ~60% · Likely

Tyrannus melancholicus

Daily sighting probability ~50% · Likely

Setophaga petechia

Daily sighting probability ~30% · Possible

See all 12 relatives Show fewer

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

#	Park	Country	Daily sighting probability
1	Chagres National Park	🇵🇦 Panama	~60%
2	Arrecifes de Cozumel National Park	🇲🇽 Mexico	~60%
3	Los Haitises National Park	🇩🇴 Dominican Republic	~60%
4	Monteverde Cloud Forest Reserve	🇨🇷 Costa Rica	~40%
5	Ciénaga de Zapata	🇨🇺 Cuba	~40%
6	Cusuco National Park	🇭🇳 Honduras	~40%
7	Chirripó National Park	🇨🇷 Costa Rica	~40%
8	Volcán Barú National Park	🇵🇦 Panama	~30%
9	Coiba National Park	🇵🇦 Panama	~30%
10	La Amistad International Park (Panama)	🇵🇦 Panama	~30%
11	Blue and John Crow Mountains National Park	🇯🇲 Jamaica	~30%
12	Puracé National Natural Park	🇨🇴 Colombia	~30%
13	Arenal Volcano National Park	🇨🇷 Costa Rica	~20%
14	San Lorenzo Protected Forest	🇵🇦 Panama	~20%
15	Tenorio Volcano National Park	🇨🇷 Costa Rica	~20%
16	Celaque National Park	🇭🇳 Honduras	~20%
17	Farallones de Cali National Natural Park	🇨🇴 Colombia	~20%
18	Tapantí-Macizo de la Muerte National Park	🇨🇷 Costa Rica	~20%
19	Cockscomb Basin Wildlife Sanctuary	🇧🇿 Belize	~20%
20	La Tigra National Park	🇭🇳 Honduras	~10%
21	Poás Volcano National Park	🇨🇷 Costa Rica	~10%
22	Los Quetzales National Park	🇨🇷 Costa Rica	~10%
23	Los Nevados National Natural Park	🇨🇴 Colombia	~10%
24	Jaragua National Park	🇩🇴 Dominican Republic	~10%
25	Ría Lagartos Biosphere Reserve	🇲🇽 Mexico	~10%
26	Calakmul Biosphere Reserve	🇲🇽 Mexico	~10%
27	Montes Azules Biosphere Reserve	🇲🇽 Mexico	~10%
28	Cerro Azul Meámbar National Park	🇭🇳 Honduras	~10%
29	Lago de Yojoa	🇭🇳 Honduras	<5%
30	Braulio Carrillo National Park	🇨🇷 Costa Rica	<5%
31	Sian Ka'an Biosphere Reserve	🇲🇽 Mexico	<5%
32	Rincón de la Vieja National Park	🇨🇷 Costa Rica	<5%
33	Cañón del Sumidero National Park	🇲🇽 Mexico	<5%
34	Celestún Biosphere Reserve	🇲🇽 Mexico	<5%
35	Carara National Park	🇨🇷 Costa Rica	<5%
36	Irazú Volcano National Park	🇨🇷 Costa Rica	<5%
37	Parque Natural Metropolitano	🇵🇦 Panama	<5%
38	Bastimentos Island National Marine Park	🇵🇦 Panama	<5%
39	Cabo Blanco Absolute Nature Reserve	🇨🇷 Costa Rica	<5%
40	Manuel Antonio National Park	🇨🇷 Costa Rica	<5%
41	Marino Ballena National Park	🇨🇷 Costa Rica	<5%
42	Palo Verde National Park	🇨🇷 Costa Rica	<5%
43	Soberanía National Park	🇵🇦 Panama	<5%
44	Biotopo Cerro Cahuí	🇬🇹 Guatemala	Insufficient data
45	Pico Bonito National Park	🇭🇳 Honduras	Insufficient data
46	Ostional Wildlife Refuge	🇨🇷 Costa Rica	Insufficient data
47	Gandoca-Manzanillo Wildlife Refuge	🇨🇷 Costa Rica	Insufficient data
48	Tikal National Park	🇬🇹 Guatemala	Insufficient data
49	Chingaza National Natural Park	🇨🇴 Colombia	Insufficient data
50	Cahuita National Park	🇨🇷 Costa Rica	Insufficient data
51	Piedras Blancas National Park	🇨🇷 Costa Rica	Insufficient data
52	Darién National Park	🇵🇦 Panama	Insufficient data
53	Corcovado National Park	🇨🇷 Costa Rica	Insufficient data

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Yellow-faced Grassquit

About the Yellow-faced Grassquit

Recent sightings of Yellow-faced Grassquit in Ostional Wildlife Refuge

Closest Relatives at Ostional Wildlife Refuge

Morelet's Seedeater

Red-legged Honeycreeper

Blue-black Grassquit

Blue-gray Tanager

Gray-headed Tanager

Palm Tanager

Variable Seedeater

Great Kiskadee

Rufous-backed Wren

Great-tailed Grackle

Tropical Kingbird

Yellow Warbler

Global Distribution

Parks Where Found