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Koll Center Wetlands Park

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Cooper Mountain Nature Park

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Quamash Prairie

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Cook Park Wetlands

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City of Tualatin Wetlands & Art Walk

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Tualatin River National Wildlife Refuge

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  1. Just curious if any of you birders have notice a decrease of activity at koll wetlands area in Beaverton, because of the new business that moved in. They set up a bunch of equipment outside within 30 feet of one of the ponds and are now creating a loud consistent noice in the area. Can be heard for 100 of feet away.