Acorn Woodpecker
Melanerpes formicivorus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPiciformes (Woodpeckers and Allies)
- FamilyPicidae (Woodpeckers)
- GenusMelanerpes (Melanerpes Woodpeckers)
- SpeciesMelanerpes formicivorus (Acorn Woodpecker)
The acorn woodpecker (Melanerpes formicivorus) is a medium-sized woodpecker with a length of around 20 cm (8 in), and an average weight of 85 g (3.0 oz). It is found across Central America, as well as North into the western United States and South into parts of Colombia. Wikipedia →
10–20% of wildlife watchers report a Acorn Woodpecker sighting in Redwood National Park, based on 263 days of visitor records from GBIF citizen-science data.
Closest Relatives at Redwood National Park
Lewis's Woodpecker
Melanerpes lewis
Northern Flicker
Colaptes auratus
Hairy Woodpecker
Leuconotopicus villosus
Pileated Woodpecker
Dryocopus pileatus
Downy Woodpecker
Dryobates pubescens
Red-breasted Sapsucker
Sphyrapicus ruber
White-headed Woodpecker
Leuconotopicus albolarvatus
📅 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 Redwood National Park?
About 12% of wildlife watchers report a Acorn Woodpecker sighting in Redwood National Park, based on 263 days of visitor records from GBIF citizen-science data.
When is the best time to see Acorn Woodpecker in Redwood National Park?
February has the highest sighting rate for Acorn Woodpecker in Redwood National Park in our monthly data.