Oregon and British Columbia is one of the richest areas in the world for intertidal life. Winds and currents act to continuously dredge up cold nutrient-rich waters from below. The plant life contained in these waters flourishes when exposed to the sun, and the plants attract plant-eaters and so on up the food chain. This folding guide reveals the types of beaches you might encounter in the Pacific Northwest, such as the rocky shores, sandy shores, mudflats, or cobblestone beaches, and the plants and animals that are common and widespread.