Mangrove Vireo
Vireo pallens
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyVireonidae (Vireos, Shrike-Babblers, and Erpornis)
- GenusVireo (Vireos)
- SpeciesVireo pallens (Mangrove Vireo)
Closest Relatives at Ostional Wildlife Refuge
Yellow-green Vireo
Vireo flavoviridis
Yellow-throated Vireo
Vireo flavifrons
Philadelphia Vireo
Vireo philadelphicus
Red-eyed Vireo
Vireo olivaceus
Lesser Greenlet
Hylophilus decurtatus
Great Kiskadee
Pitangus sulphuratus
Rufous-backed Wren
Campylorhynchus capistratus
Great-tailed Grackle
Quiscalus mexicanus
Tropical Kingbird
Tyrannus melancholicus
Yellow Warbler
Setophaga petechia
Baltimore Oriole
Icterus galbula
Clay-colored Thrush
Turdus grayi
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Celestún Biosphere Reserve | 🇲🇽 Mexico | |
| 2 | Ría Lagartos Biosphere Reserve | 🇲🇽 Mexico | |
| 3 | Calakmul Biosphere Reserve | 🇲🇽 Mexico | |
| 4 | Sian Ka'an Biosphere Reserve | 🇲🇽 Mexico | |
| 5 | Ostional Wildlife Refuge | 🇨🇷 Costa Rica | |
| 6 | Cockscomb Basin Wildlife Sanctuary | 🇧🇿 Belize | |
| 7 | Las Baulas Marine National Park | 🇨🇷 Costa Rica | |
| 8 | Carara National Park | 🇨🇷 Costa Rica | |
| 9 | Cabo Blanco Absolute Nature Reserve | 🇨🇷 Costa Rica | |
| 10 | Palo Verde National Park | 🇨🇷 Costa Rica |
Quick answers
What are the chances of seeing a Mangrove Vireo in Ostional Wildlife Refuge?
About 3% of visitor-days record a Mangrove Vireo sighting in Ostional Wildlife Refuge, based on 17 observer-days of citizen-science data from GBIF.
When is the best time to see Mangrove Vireo in Ostional Wildlife Refuge?
February has the highest sighting rate for Mangrove Vireo in Ostional Wildlife Refuge in our monthly data.