Assertion: osprey's nest | /r/CapableOf | find atop channel markers
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text: Its conspicuous nests, found atop dead trees, channel markers and telephone poles, have been known to include rubber boots, bicycle tires, Hula Hoops, television antennae, Styrofoam cups and plastic containers in construction -- just one more important reason to keep our waterways and landscapes clean, and free of trash and debris.