Showing 15 most frequently observed species out of 100 total documented species.
American Crow
Song Sparrow
dark-eyed junco
western sword fern
giant arborvitae
Pacific banana slug
American Robin
Grey squirrel
Canada goose
european garden spider
herb-robert
Big-Leaf Maple
Tree of heaven
Vine Maple
Get all 100 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Download a professional PDF field guide featuring all the species found in Multnomah County, Oregon. Perfect for outdoor adventures, education, and nature exploration.
Download a professional PDF field guide featuring all the species found in Multnomah County, Oregon. Perfect for outdoor adventures, education, and nature exploration.
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Explore 55 documented locations in Multnomah County, Oregon. Each area offers unique wildlife viewing opportunities with varying biodiversity levels.
Species counts represent documented wildlife observations from citizen science contributions. Higher counts often indicate areas with diverse habitats, active monitoring, or significant ecological importance. Each location offers unique opportunities to connect with Multnomah County's natural heritage.