Birds Active during the day

Acorn Woodpecker

Melanerpes formicivorus

iNaturalist eBird Wikipedia

The social architect of the oak woods, Acorn Woodpeckers are famous for building massive 'pantry' trees and living in tight-knit family groups. Their striking clown-like faces and constant activity make them one of the most entertaining birds to watch on a backyard camera.

1 Sightings

1 Habitats

Quick Identification

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Size

Length 19–23 cm (7.5–9 in); Wingspan 35–43 cm (13.8–16.9 in); Weight 65–90 g (2.3–3.2 oz)

palette

Colors

Glossy black back and wings with a white rump and belly. Distinctive 'clown face' with a white forehead and yellowish throat. Males have a full red cap; females have a black band between the white forehead and red crown.

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Key Features

Pale white iris giving an intense 'staring' look
Red crown patch
White wing patches prominent in flight
Distinctive white forehead and yellowish throat

When You’ll See Them

schedule

Activity pattern Active during the day

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Peak hours 7-11 AM, 3-6 PM

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Season Year-round

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Diet A varied diet centered on acorns, supplemented by insects caught in flight, sap from drilled wells, fruit, and seeds.

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Habitat Oak or pine-oak woodlands, suburban areas with mature oaks, and urban parks.

Sightings on EverydayEarth

Ash Canyon Bird Sanctuary Viewing Area

Apr 11, 2026

Several Mexican Jays are busy at the feeders, with one on the central suet cage and others at the tube feeder to the left. A male House Finch lands briefly on the top horizontal beam. Later, an Acorn Woodpecker flies in to land on the suet feeder on the right just as one of the jays takes flight.

public Geographic range

Where Does the Acorn Woodpecker Live?

The Acorn Woodpecker is a hallmark species of the Western Americas, native to the oak-rich landscapes of the coastal and interior mountains. Its range begins in Oregon and California, stretching through the American Southwest into Mexico. This core population extends through the highlands of Central America and reaches as far south as the northern Andes in Colombia, wherever suitable oak forests provide their essential food source.

Basemap © OpenStreetMap contributors

10 Countries

7.5M km² Range

Least Concern Conservation

US United States MX Mexico CO Colombia GT Guatemala HN Honduras CR Costa Rica PA Panama NI Nicaragua SV El Salvador BZ Belize

eco

iNaturalist / Verified observation data

View on iNaturalist open_in_new

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Behavior

Acorn Woodpeckers are highly social, living in complex family groups of up to 15 individuals. They are best known for their cooperative breeding and their incredible 'granaries'—dead trees, utility poles, or even wooden houses where they drill thousands of small holes to store individual acorns. The entire group works together to collect, store, and defend these massive food caches against squirrels and other birds.

Unlike many solitary woodpecker species, Acorn Woodpeckers spend a significant amount of time in the open. They are frequently seen 'flycatching,' jumping from high perches to snag insects in mid-air. Their social nature makes them very vocal, and they often communicate with a raucous, laughing 'waka-waka' call that can be heard throughout oak woodlands and suburban parks.

photo_camera EverydayEarth exclusive

Camera Tips

To capture the social dynamics of Acorn Woodpeckers, identify a 'granary' tree—these are impossible to miss once you see the thousands of small holes drilled into the bark. Mount your camera 5 to 8 feet high on a neighboring branch or a fence post facing the granary. Because these birds are communal, you are likely to capture multiple individuals interacting, so use a wider field of view rather than a tight zoom.

If you don't have a granary nearby, focus on a high-quality suet feeder or a birdbath. Acorn Woodpeckers are very active around water, especially in drier climates like California and Arizona. Place the camera about 4 feet away from the water source and use a high-speed trigger setting to catch the action. These birds are bold and quickly acclimate to the presence of a camera, so you won't need much camouflage.

The best time for dramatic footage is during the autumn acorn harvest. Set your camera to video mode with a high frame rate (60fps or higher) to capture the precise, rapid-fire movement of the birds wedging acorns into holes. Pay attention to the lighting; their high-contrast black and white feathers can lead to overexposed shots in harsh midday sun, so early morning or late afternoon light is ideal for showcasing the iridescent sheen of their plumage.

Similar Species

Species that look similar or are commonly confused with Acorn Woodpecker.

Red-headed Woodpecker

Has a solid red head and neck, whereas the Acorn Woodpecker has a white forehead and yellowish throat.

Hairy Woodpecker

Smaller with a simple black-and-white facial pattern and a small red patch on the back of the head, lacking the Acorn's white eyes and yellowish throat.

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Frequently Asked Questions

Acorn Woodpeckers are strictly diurnal, meaning they are active during the day. They are most energetic in the mid-morning and late afternoon when they are busy foraging for insects or managing their acorn stores.

The best way to attract them is by having mature oak trees on your property. You can also draw them in with suet feeders, large birdbaths, or platform feeders offering shelled peanuts or sunflower seeds.

While they are famous for eating acorns, they are actually omnivorous. They eat a large number of insects, especially in the summer, along with fruit, sap, and occasionally nectar from flowers.

Yes, they are very common in suburban areas that have retained their native oak trees. They often adapt well to human structures, sometimes even using the wooden siding of houses as granaries.

While both have red on their heads, the Red-headed Woodpecker has an entirely red head, neck, and throat. The Acorn Woodpecker has a complex 'clown face' with white, black, and yellow markings, and only the crown of the head is red.

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