The acorn woodpecker 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.

This Acorn Woodpecker was photographed at Irvine, CA on January 11, 2026. View all Acorn Woodpecker photos →