A juvenile raccoon takes refuge in a small storm-water pipe protruding from the slough’s banks.
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A juvenile raccoon takes refuge in a small storm-water pipe protruding from the slough’s banks.
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Great blue herons are commonly spotted along the Columbia Slough; the watershed houses a heron rookery of some 85 nests.
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Great blue herons are commonly spotted along the Columbia Slough; the watershed houses a heron rookery of some 85 nests.
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THEQUIETSIDE Popular with birders, thanks to wetlands that provide habitat for numerous species, the Big Four Corners region of the Columbia Slough is a little-known wild
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THEQUIETSIDE Popular with birders, thanks to wetlands that provide habitat for numerous species, the Big Four Corners region of the Columbia Slough is a little-known wild
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GREENCANYON After it rushes headlong from the Coast Range, the 80-mile-long Tualatin River meanders more slowly through veritable canyons of trees.
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GREENCANYON After it rushes headlong from the Coast Range, the 80-mile-long Tualatin River meanders more slowly through veritable canyons of trees.
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Smaller than the great blue herons often seen on the Tualatin River, the green heron is identified by its glossy greenish cap.
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Smaller than the great blue herons often seen on the Tualatin River, the green heron is identified by its glossy greenish cap.
The Columbia Slough ABOUT 20 YEARS AGO, when a handful of intrepid explorers began paddling the Columbia Slough, most people considered them 1) weird and 2) practically suicidal. At the time, the 18.7-mile slough, which runs roughly parallel to the Columbia River from near Gresham through North Portland, was no…