Don Edwards San Francisco Bay National Wildlife Refuge
This is a comprehensive field guide to the all known bird species that preside or migrate through this Refuge.
Nuttall's Woodpecker
Nuttall's woodpecker (Picoides nuttallii) is a species of woodpecker named after naturalist Thomas Nuttall in 1843. They are found in oak woodlands of California and are similar to the ladder-backed woodpecker genetics and in appearance.
Downy Woodpecker
The Downy Woodpecker (Picoides pubescens) is a species of woodpecker, the smallest in North America.
