Acorn Woodpecker
Melanerpes formicivorus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPiciformes (Woodpeckers and Allies)
- FamilyPicidae (Woodpeckers)
- GenusMelanerpes (Melanerpes Woodpeckers)
- SpeciesMelanerpes formicivorus (Acorn Woodpecker)
Closest Relatives at Poás Volcano National Park
Hoffmann's Woodpecker
Melanerpes hoffmannii
Black-cheeked Woodpecker
Melanerpes pucherani
Hairy Woodpecker
Leuconotopicus villosus
Golden-olive Woodpecker
Colaptes rubiginosus
Smoky-brown Woodpecker
Leuconotopicus fumigatus
Lineated Woodpecker
Dryocopus lineatus
Prong-billed Barbet
Semnornis frantzii
Keel-billed Toucan
Ramphastos sulfuratus
Black-mandibled Toucan
Ramphastos ambiguus
Northern Emerald-Toucanet
Aulacorhynchus prasinus
Red-headed Barbet
Eubucco bourcierii
📅 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
Quick answers
What are the chances of seeing a Acorn Woodpecker in Poás Volcano National Park?
About 23% of visitor-days record a Acorn Woodpecker sighting in Poás Volcano National Park, based on 81 observer-days of citizen-science data from GBIF.
When is the best time to see Acorn Woodpecker in Poás Volcano National Park?
July has the highest sighting rate for Acorn Woodpecker in Poás Volcano National Park in our monthly data.