Acorn woodpeckers also feed by sallying for flying insects and gleaning trunks, and they often eat ants (as reflected in the species’ scientific name). Polytypic. Length 9". A boldly patterned ...

Male (left) and female (right) acorn woodpeckers. Researchers had traditionally explained the evolution of acorn woodpeckers’ polygamous co-breeding with a concept known as kin selection.

Acorn woodpeckers doing the spread-wing display. Researchers had long assumed that acorn woodpeckers opting for a rare form of polygamy, in which co-breeding siblings are forced to compete to mate ...

If you have a dead tree, here’s how to cut it down safely. In the western region of the U.S., acorn woodpeckers peck away to ...

Local bird photographer Rick Morris photographs a pair of acorn woodpeckers at the Stanford Dish on Aug. 29, 2024. Photo by Anna Hoch-Kenney. Rick Morris can show you where the barn owls hang out ...

Woodpeckers make their home on almost every continent. They come in all sorts of shapes and sizes — from the massive pileated woodpecker to the cute compact downy woodpecker, they’re a family ...