Tracking Geologic Clues

p2 6 fossil thumbFidalgo Island originated beneath the ocean as layers of the earth’s crust. Moving ocean plates transported the crust, thrust it against the continent, and eventually uplifted and eroded it. Such slices of uplifted oceanic crust—found at the edges of many continents—are called ophiolites.

Read more: Tracking Geologic Clues

Oceans in Motion

5-1-tidesOur oceans are constantly on the move. The gravitational pull of the sun and the moon and rotation of the earth set in motion the circulation of the earth’s waters. Where and how these waters move is also driven by the interaction of wind, waves, tides, currents, and the contours of the shoreline and ocean floor.

Read more: Oceans in Motion

Birds of Fidalgo Bay

5-2-glaucous-winged-gullThe waters, tidelands, marshes, and fields around you offer rich and productive habitats, nurseries, and sources of food for resident and part-time bird populations. Fidalgo Bay boasts some 200 species of birds. Many reside here year round. Some stay for a season.

Read more: Birds of Fidalgo Bay

Information on this Trail Tales website was prepared under funding from the Washington State Department of Ecology’s Public Participation Grant Program. While the information was reviewed for grant consistency and accuracy of project references, this does not necessarily constitute endorsement by the Department.

Learn more about Ecology’s Anacortes Baywide Cleanup

Photo credits: Anacortes History Museum, Washington state Dept. of Ecology, Samish Indian Nation and others, as noted. Illustrations by Linda Feltner.