
Acorn Woodpecker
Image: Andy Frank (cc-by-nc)
NameAcorn Woodpecker
Common NameAcorn Woodpecker
Scientific NameMelanerpes formicivorus
FamilyPicidae
Wingspan (cm)44.5
Length (cm)22
Weight (g)77.5
Plumage DetailsAdults have a glossy black back, wings, and tail, with a contrasting white belly and rump. The head features a black eye surrounded by a white patch, a yellow throat patch, and a prominent red cap (males have more extensive red extending to the forehead, while females have a black band between the red cap and white forehead).
Vocalization / CallTheir vocalizations are distinctive and varied, often described as a loud, raucous 'waka-waka-waka' or 'jacob-jacob-jacob'. They also produce various chattering, squawking, and squealing calls, especially when interacting within their social groups.
Primary Dietomnivore
Primary Habitatsoak woodlands, pine-oak woodlands, mixed evergreen forests, riparian areas
Conservation Statusleast-concern
Geographic RangeFound in western and southwestern United States, Mexico, and Central America, extending south into Colombia. Their range is closely tied to the presence of oak trees.
Identifying FeaturesRed cap (more extensive in males), Black back and white belly, White eye patch with yellow throat, Communal acorn storage in granary trees, Distinctive 'waka-waka' call
Description
The Acorn Woodpecker is a medium-sized, highly social woodpecker known for its striking black, white, and red plumage. They are famous for their unique behavior of storing thousands of acorns in granary trees, creating a communal food source for their family groups.




