Self-guided Field Trips Posted on November 22, 2021By Dan Streiffert by Heather Gibson Green River North self-guided birding trip Ridgefield National Wildlife Refuge self-guided trip Skagit Self-guided Field Trip Duwamish River Self-guided Birding Trip Fife Tukwila Pond Park West Hylebos Wetlands: Wetlands and Old-Growth Forest Vaux’s Swifts at Monroe and Selleck Monroe Vaux Swift roost Self-Guided Seashore trip Share this:FacebookXLike this:Like Loading...